Display power consumption. Is my unit faulty? - Galaxy S II Q&A, Help & Troubleshooting

Display power consumption. Is my unit faulty? - Galaxy S II Q&A, Help & Troubleshooting

I noticed that 1 hour of display on at normal brightness (just that, no aps running, no-nothing) drains my battery of about 20%, with the default wallpaper. I'm pretty "impressed" by this, and I wonder... is it normal?
In addition, I had a feeling that was more than confirmed by a specific test that I performed. Well oddly enough to say....
With display brightness set to minimum, and just the diplay on continuously for 20 mins, I get 10% battery drain, but...
With display brightness set to 60%, and again just the diplay on continuously for 20 mins, I get only 5%, and the units' temperature also lowers a bit!!!
I also get similar results (5% drain or so) with display brightness set to 80%...
Therefore, at least for my unit, it looks like for saving battery life, I should keep the display brightness fix at 60% or even more!
I don't know why this happens but I suspect that the brightness regulator of the display drains much more power than the amount it helps to save from dimming the display!
Anyone to confirm?

75 views and no reply?

Not to be rude, but there are a few threads concerning power consumption/battery use/display . if you have a browse around, and did some reading up, you would find some of the solutions that other people are using?
also, when posting a thread like this, you should try and give as much pertinent information as possible, for example, what firmware are you running? have you rooted the phone? is it branded or unbranded?
Again, not being rude to you. Just trying to give you some pointers.

stoney73 said:
Not to be rude, but there are a few threads concerning power consumption/battery use/display . if you have a browse around, or perhaps used the search function, and did some reading up, you would find some of the solutions that other people are using?
also, when posting a thread like this, you should try and give as much pertinent information as possible, for example, what firmware are you running? have you rooted the phone? is it branded or unbranded?
Again, not being rude to you. Just trying to give you some pointers.
Click to expand...
Click to collapse
Hi Stoney,
thank you but yes, actually I did make some search, but couldn't find anyone claiming that his dislay is draining more at dim than at full brightness... Maybe I was not searching in the right direction, in such case I would be pleased if you could give me some hints.
Cocerning my phone, it's unbranded and unrooted. I bought it 5 days ago, and I've updated it with Kies to the latest firmware available from Samsung:
Build is Gingerbread XWKE7
Kernel is 2.6.35.7-I9100XWKE7-CL215725
Baseband is I9100XWKE1
Did not notice any improvement, nor any degradation, in battery life after updating.
At the moment my battery is at 77%, and display is reported to have drained 68% of it, and it's reported to having been on for 1 h 15 mins.
This means that the display alone has drained 68% of 33% battery drain in 1 h 15 min, which makes approx. .68*33=22.5% of battery drain in 75 mins.
It means that, the display alone, without CPU or watever, totally drains my battery in 75*100/22.5=330 mins, or if you prefer, in 5 h 35 mins.
Well, I find this value really frustrating since aside from being miles away from my old nokia N95 8GB, I'm wondering how people can say that they get more than a full day of heavy usage out of this phone... I don't know if battery life is better or worse than other touch screen phones, because that's the first one I own, but I remember having read that Iphone 4 for instance, survives for more than 7 hours with continuous web browsing (and hence not only with the display on, but also with many other tasks running)...

JuniorGG said:
Hi Stoney,
thank you but yes, actually I did make some search, but couldn't find anyone claiming that his dislay is draining more at dim than at full brightness... Maybe I was not searching in the right direction, in such case I would be pleased if you could give me some hints.
Cocerning my phone, it's unbranded and unrooted. I bought it 5 days ago, and I've updated it with Kies to the latest firmware available from Samsung:
Build is Gingerbread XWKE7
Kernel is 2.6.35.7-I9100XWKE7-CL215725
Baseband is I9100XWKE1
Did not notice any improvement, nor any degradation, in battery life after updating.
At the moment my battery is at 77%, and display is reported to have drained 68% of it, and it's reported to having been on for 1 h 15 mins.
This means that the display alone has drained 68% of 33% battery drain in 1 h 15 min, which makes approx. .68*33=22.5% of battery drain in 75 mins.
It means that, the display alone, without CPU or watever, totally drains my battery in 75*100/22.5=330 mins, or if you prefer, in 5 h 35 mins.
Well, I find this value really frustrating since aside from being miles away from my old nokia N95 8GB, I'm wondering how people can say that they get more than a full day of heavy usage out of this phone... I don't know if battery life is better or worse than other touch screen phones, because that's the first one I own, but I remember having read that Iphone 4 for instance, survives for more than 7 hours with continuous web browsing (and hence not only with the display on, but also with many other tasks running)...
Click to expand...
Click to collapse
I can imagine it is quite frustrating, seeing people post that their phone is lasting a full day+(mine does) and yours isnt.
So what steps have you taken?
before updating to KE7, did you (backup your apps/anything on internal memory you want to save) and then wipe the cache, and factory reset(from the privacy settings on the phone)?
Do you use the samsung hubs/'AP app,etc? If not, have you tried freezing/deleting them?(I froze mine on the basis of you never know when/if you want to use them at some point)
These are the two things I did immediately after updating to KE7 and finding out it was draining the battery, after I performed those two steps, things went back to normal for me.
I dont tend to hammer the phone(now anyway), but on an ave day, I spend around 30-45 mins chat, 15-30 texts, 30-45 mins gaming, 2 email on push sync, fb/twitter updates, xda app. I dont tend to watch video much on it(I have a tab for that, a very much underused tab since I got the S2).
I usually have 20-30% battery come bedtime. I have the display on auto, timeout on 2 mins.

JuniorGG said:
This means that the display alone has drained 68% of 33% battery drain in 1 h 15 min, which makes approx. .68*33=22.5% of battery drain in 75 mins.
It means that, the display alone, without CPU or watever, totally drains my battery in 75*100/22.5=330 mins, or if you prefer, in 5 h 35 mins.
Well, I find this value really frustrating since aside from being miles away from my old nokia N95 8GB, I'm wondering how people can say that they get more than a full day of heavy usage out of this phone... I don't know if battery life is better or worse than other touch screen phones, because that's the first one I own, but I remember having read that Iphone 4 for instance, survives for more than 7 hours with continuous web browsing (and hence not only with the display on, but also with many other tasks running)...
Click to expand...
Click to collapse
You have to take two things into account:
1) Your N95 had a MUCH smaller display, with another screen technologie and fewer pixels, as well as a much slower chipset and no touchscreen.
2) The Iphone too has a smaller display, with backlighting, which drains less battery and has as well a less powerful SOC.
That a 4.3 inch display would drain the battery fast, shouldn't surprise anyone imo. Compared to the Iphone it's a ~20% difference in screensize. Since the displays drains most of the battery, it shouldn't surprise anyone that the Iphone lasts longer ...

Stoney, sorry but if you tell me to stop/freeze processes, you haven't understood my post. I repeat that the problem with my phone is the display that drains about 1Watt only for being on, no matter the brightness (actually, at high brignthess it drains LESS). This has nothing to do with processes. When the display of my phone is off, the battery lasts ages. For instance, this evening I went jogging for one hour with Sports Tracker (on GPS) and the music player always on, but the display off. The battery just dropped about 10%, which is perfectly normal. If instead I dare to turn on the display, I can actually see the battery draining and the phone becoming warm.
II would be useful if you could do a small check for me: after full charging the battery, leave the screen on for a while with about 50% brightness and the home screen. After 2 or 3 hours, could you please report to me the screen % usage, and the corresponding net "on" time? Only this can be a proof that my unit is faulty, and the display is draining much more power than normal.
Chalid, for sure this display is bigger than that of the iPhone and even bigger than that of the N95. But does this justify a cosumption of more than 1 W (since it drains the full 7Wh battery in just 5.5 hours)? Well, in my opinion, by no means! And besides, where the AMOLED displays said to require less power than LCDs, or were they not?
IMHO a display draining more than 1 W is a killer on any mobile phone! (again: UNLESS mine is faulty for some reason)

1 hour 8mins with my display on today has used 17.98% of my total battery with brightness at auto

My screen eats also alot of the battary.
Like 4-5 hours and thats all and on minimum brightness.
I try to set it on 60 percent also and ofc autobrightness disabled.
Report later

is it true that the phone uses less battery when you select a brightness of 60%+ or auto? cause I use 15% all the time.

i have the same problem,never under 45%.
ke2!

guigs91 said:
i have the same problem,never under 45%.
ke2!
Click to expand...
Click to collapse
Screen is a drainer. I NEVER use auto brightness ... I set it to 0~20 when inside and only higher when outside in sunny conditions.

JuniorGG said:
Stoney, sorry but if you tell me to stop/freeze processes, you haven't understood my post. I repeat that the problem with my phone is the display that drains about 1Watt only for being on, no matter the brightness (actually, at high brignthess it drains LESS). This has nothing to do with processes. When the display of my phone is off, the battery lasts ages. For instance, this evening I went jogging for one hour with Sports Tracker (on GPS) and the music player always on, but the display off. The battery just dropped about 10%, which is perfectly normal. If instead I dare to turn on the display, I can actually see the battery draining and the phone becoming warm.
II would be useful if you could do a small check for me: after full charging the battery, leave the screen on for a while with about 50% brightness and the home screen. After 2 or 3 hours, could you please report to me the screen % usage, and the corresponding net "on" time? Only this can be a proof that my unit is faulty, and the display is draining much more power than normal.
Chalid, for sure this display is bigger than that of the iPhone and even bigger than that of the N95. But does this justify a cosumption of more than 1 W (since it drains the full 7Wh battery in just 5.5 hours)? Well, in my opinion, by no means! And besides, where the AMOLED displays said to require less power than LCDs, or were they not?
IMHO a display draining more than 1 W is a killer on any mobile phone! (again: UNLESS mine is faulty for some reason)
Click to expand...
Click to collapse
amoled screens were quoted to consumers as using less power. but the tests i've done, i contend that amoled uses far more power than the SLCD screens HTC is using for example. like significantly more. so the screen is a killer for sure on your device, dont get fooled.

JuniorGG said:
Chalid, for sure this display is bigger than that of the iPhone and even bigger than that of the N95. But does this justify a cosumption of more than 1 W (since it drains the full 7Wh battery in just 5.5 hours)? Well, in my opinion, by no means! And besides, where the AMOLED displays said to require less power than LCDs, or were they not?
IMHO a display draining more than 1 W is a killer on any mobile phone! (again: UNLESS mine is faulty for some reason)
Click to expand...
Click to collapse
Like Locster126 pointed out, it's only 15.64% for your 75 minutes of usage. The battery has 6,11Wh, which makes a power consumption of approx. 0,76W. But you must not forget, that the AMOLED display drain is highly dependent on the content you're displaying. Thats the difference to the LCD. While the LCDs backlight is mostly responsible for the drain, the AMOLEDs individual pixels drain the battery, which means that light-colored content drains more battery - more than on the LCD, while dark-colored content doesn't.
Nothing wrong with your screen.
EDIT: I will test the power consumption of the HD2s screen later ..

Mittaa said:
Screen is a drainer. I NEVER use auto brightness ... I set it to 0~20 when inside and only higher when outside in sunny conditions.
Click to expand...
Click to collapse
i try everything(auto,or not) but don't work,sorry for my english

chalid said:
Like Locster126 pointed out, it's only 15.64% for your 75 minutes of usage. The battery has 6,11Wh, which makes a power consumption of approx. 0,76W.
EDIT: I will test the power consumption of the HD2s screen later ..
Click to expand...
Click to collapse
Just finished the testing. After loading the HTC HD2 to 100% in flight-mode, I unplugged it and let the screen continuously on at full brightness for 30 minutes. The battery went down to 92%. So 8% for half an hour. That means, the screens power consumption at full brightness is ~0,73W (battery capacity is 4,55Wh).
So definitely lower than your SAMOLED power consumption ... but so is the display quality ...

Locster126 said:
*cough* 100% - 77% = 23% = 15.64% in 75min is quite good to be honest.
480mins which is 8hours straight display on time....very good if u ask me.
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Oops! You're right!
Well ok, 8 hours so....
And considering that the battery has a capacity of 6.2Wh, the display actually drains 0.78W, at normal brightness (auto brightness was set to on and I was indoor, daytime).
In any case, that's not totally fair because it doesn't consider all the rest that's draining power from the battery. Considering my "normal" usage of the device, I get about 60% display ratio after a full battery discharge (to be optimistic).
This means that I have .6*8= 4.8 hours of "normal" usage to spread across the day.
I don't play 3D games and use WiFi just for syncing the emails and podcasts (10 minutes to say the most). I also don't use Bluetooth. I keep the GPS on all the time but turn on packet data strictly when necessary, and make just 5 minutes of calls and send 5 SMS... In substance, I use the device like a normal 150 euros phone.
This is my first touch screen device (as I said,I come from a Nokia N95 8GB), therefore I would like to understand if 4.8 hours continuous normal usage of the phone from fully charged to "mayday, shutting off!" can be considered normal.
I don't uderstand how some people can say they get one full day heavy usage on it, or 2 full days normal usage, playing 3D games, continuously syncing accounts, watching videos, surfing the internet, etc!!!!

My replies (thank you all) ->
to (•.•) (nice your nickname! ):
not far from mine. Tell me if you get some improvement at 60%. I will also repeat the test on mine, trying to be more systematic as possible, since I really want to be sure of what I have seen.
to seaweeduk:
please be more clear. Just the display or the entire unit? In any case that seems to be a much smaller consumption than that of my display...
to guigs91:
you mean you also noticed this odd behaviour?
to Mittaa:
right, but before setting brightness to a low level I want to be sure that it actually drains less power, and that's how I figured out that actually it's the other way around (I hope I made something wrong, as said I'll re-check better).
to RogerPodacter:
sadly, I perfectly agree with you.
to chalid:
thank you for reassuring me. To be honest however I'm not totally sure that black pictures drain significantly less power than white ones. I feel more that it's simply the bias current of the display, to drain a lot, and the rest is not so important. In fact, if you look at a 100% black picture totally in the dark, you'll see that it's not fully black. I's ALMOST fully black (much more than LCDs), but you can actually notice that the display is on (and therefore it is powered). If you shut off the display, you'll notice the diference.
to guigs91:
I also tried everything without success. Apart from noticing that perhaps high display brightness helps a little!
Did I forget someone? Ah yes, tommehh :
this is what I noticed. Let me re-check 'cause I find hard to believe myself!

JuniorGG said:
I don't uderstand how some people can say they get one full day heavy usage on it, or 2 full days normal usage, playing 3D games, continuously syncing accounts, watching videos, surfing the internet, etc!!!!
Click to expand...
Click to collapse
Well, you don't have the screen on for 5 hours continuously when using the phone, do you?
Here are my batterys stats:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Display: 2h 12m = 20%
Phone calls: 28m 24s = 9%
That's absolutely okay in my opinion. But like I said: If you want 1 week usage off one charge, you need to get a phone with a smaller display, because all of those 3.5+ inch touchscreens drain the battery pretty fast.

Related

New Battery

So I started a new thread cos its kind of different to my other one. The last little niggle with my Prime seems to be the battery. I read the instructions for once and it said to charge it all up. So i charged it till it was green and then powered it up for the first time. So as the instructions say i need to break the battery in. At the moment i am getting about 5-6 hours. The pad is on balanced with auto brightness. Does this seem normal for new battery. I would hope to end up with 9-10 or are my expeditions too high?

From what I remember the instructions stated that for the first time you should leave the prime charging for 6 to 8 hours. I personally didn't follow this and I'm still getting pretty good battery life. My advice is to let the battery drain out and charge it to full again and leave it connected for at least a couple of hours. The battery should calibrate itself through a couple of charge/discharge cycles and get better over time. Forgot to add, I have my wifi set to turn off when screen goes off.

If you're on firmware .21 it may be due to wifi. Check your battery stats. I have great battery life but as soon as i turn wifi on and use it battery goes down waaay fast.
I hope the new firmware thats coming adresses that, because before .21 that wasnt the case.

mdemons12 said:
So I started a new thread cos its kind of different to my other one. The last little niggle with my Prime seems to be the battery. I read the instructions for once and it said to charge it all up. So i charged it till it was green and then powered it up for the first time. So as the instructions say i need to break the battery in. At the moment i am getting about 5-6 hours. The pad is on balanced with auto brightness. Does this seem normal for new battery. I would hope to end up with 9-10 or are my expeditions too high?
Click to expand...
Click to collapse
Lol i was too eager and only charged my prime until it reached 100% at a mall. But i still have great batterdy life
Sent from my HTC Vision using xda premium

People that didn't fully charge it up the first time for 6-8 hours, exactly what kind of life are you getting and could you please explain what things you are doing on it. I didn't charge it fully and it accidentally got turned on during its first charge.
Thanks,

If you are on .21 don't expect the battery to be near 8hrs while on wi-fi surfing/video/screen on/etc. I had it on .15 for 2-3 days while deciding if I wanted to root or not and it was near 8hrs wi-fi on. I'm also hoping for the next update to fix whatever they implemented in .21 that's causing a significant amount of drain.

I am on 4.0.3, is that the right one
Sorry, wi-fi is .22

Thr charging over night for 10 hours or whatever is nowadays just a Myth that came from the old NiCd batteries (It was true back in the day), new LiPo / NiMh batteries have no Memory Effect and the first charge is nowhere near as important as with old ones.
In fact is actually better not to stress the battery doing full discharges / charges cycles.
These batteries get to their full capacity after about 10 charging cycles.
So if you didnt not charge X hours for the first time, dont worry, yout battery ill work fine.
The only thing that should be pointed out is that if you use very often your battery, every 2 - 3 months is recommended to let the battery discharge to 0% and charge while off to 100%. If you dont use the battery often (always connected) then is better once every month. Thats to keep the internal chip from the battery calibrated.

Well atm i am draining it down to <10% then charging. Is it ok for these modern batteries to be left on charging past 100%?

Battery life still seems pretty poor after 3 0-100 ish charges. 1-2% seems to last less than 5 minutes when on the net on balanced mode and screen brightness mostly down.

mdemons12 said:
Well atm i am draining it down to <10% then charging. Is it ok for these modern batteries to be left on charging past 100%?
Click to expand...
Click to collapse
Yes, once the batteries are at 100% they stop charging. You can have them 100000 hours connected.. and they wont go past 100%.

im on .21 and i get great battery life. i never cut my wifi off. its on 24/7. battery drainage will more so be dependent on display brightness and what you are doing. wifi is already a known, wifi on any device drains battery at a faster rate than wifi off. it takes power to make wifi work ya know..lol i can easily get 9-10hrs. + with my brightness set to less than 25% & wifi on all the time.
also the two biggest drainers, as far as programs go, is gaming and web surfing. especially web surfing and especially while using flash. since web browsing is very ram intensive. I've noticed some browsers drain battery faster than other. Meaning some browsers are more optimized than others when it comes to power consumption. This shouldn't be nothing new. Everyone's battery drainage will be different because people use their device in different ways.
we have an update about to hit us any moment or day now so don't get too stuck on battery drainage on .21. it'll be time to test how it is on newer firmware.

demandarin said:
also the two biggest drainers, as far as programs go, is gaming and web surfing. especially web surfing and especially while using flash. since web browsing is very ram intensive.
we have an update about to hit us any moment or day now so don't get too stuck on battery drainage on .21. it'll be time to test how it is on newer firmware.
Click to expand...
Click to collapse
Web surfing and gaming and WiFi are 3 major things in this tablet, what should we use it for then??

here are some battery saving tips!
bimbobo said:
Web surfing and gaming and WiFi are 3 major things in this tablet, what should we use it for then??
Click to expand...
Click to collapse
That's what I'm saying. Everyone web browsing and gaming is different. Some web pages people visit might be loaded with flash content vs. Someone who visits a site with less flash content. The one with the loaded flash content will drain or use more battery than the other one. Same with gaming. I might like to play Dead Space or Shadowgun and you like to play hang man or some other simple game. The battery will drain faster with me playing the 3d graphic intensive games vs. The person who is playing simple or less graphical intense games.
Wifi is a must have and no way around that if you want to web surf. The amount of screen brightness, 3D gaming, and web surfing will influence how fast your battery drains. Wifi drains battery but not at a faster rate than those other things listed.
I think some people here expect to have brightness up to the Max with super ips+ on, gaming and web surfing all day and expect to get 10+ hours out of it. Lol. Its not happening. There are easily things you can check for and change to make you have better battery life. -
-First one being not to use auto brightness and don't have brightness higher than 25%. That's if you so concerned about making the battery last long.
-Second thing you can do is go into settings and change screen off display settings. I have mines set to 30 or even 15 secs. That means once 15 secs. Or 30 secs. Pass and I haven't touched the screen, the screen will cut off. That's a huge battery saver right there. Because my screen isn't on as long when its not in use.
-Third would be to go into settings and lower the frequency of sync settings. I don't need my email syncing every 5mins. Or my Facebook syncing every 5 mins or etc.. cut them down to maybe every hrs, or every 12 hours, or once a day. The best would be to sync when you open up the app instead of it doing it automatically in the background. Completely cut off sync to apps you never use. Constantly having things sync in the background is a major battery drainer when the screen is on or even while device is sleeping. If you put device to sleep and its always waking up to sync data, don't be surprised if battery drains at a faster rate during sleep or when device is awake.
-Fourth, cut of unneccessary sounds. Do you really need the keyboard or screen presses to make a sound when you press it? If so, don't be surprised your battery draining faster.
-Fifth, cut off that stupid vibration motor. Do you really need your tablet to vibrate when ever you press something on the screen or keyboard? Do you really need it to vibrate when your gaming? If so, don't be surprised your battery is draining faster then. Because everytime that vibrate motor goes off, it drains battery.
SIXTH, you can go into settings and have wifi cut off when device is asleep. Or you can go into Asus customized settings and have it cut off network activities when the screen is off or device is asleep.
All very easy steps people can take. Same thing as in saving gas in a car. There's things you can do or not do to make it last longer.

mdemons12 said:
So I started a new thread cos its kind of different to my other one. The last little niggle with my Prime seems to be the battery. I read the instructions for once and it said to charge it all up. So i charged it till it was green and then powered it up for the first time. So as the instructions say i need to break the battery in. At the moment i am getting about 5-6 hours. The pad is on balanced with auto brightness. Does this seem normal for new battery. I would hope to end up with 9-10 or are my expeditions too high?
Click to expand...
Click to collapse
Its Def the firmware Asus should fix it soon hopefully
Sent from my Transformer Prime TF201 using XDA

It does seem to be getting better though. I have had it on for over a day now and it is at 50%. Probably had a good 3ish hours of actual use. During the breaking in of the battery stage is it better to let it drain then fully charge or charge whenever I can?

demandarin said:
im on .21 and i get great battery life. i never cut my wifi off. its on 24/7. battery drainage will more so be dependent on display brightness and what you are doing. wifi is already a known, wifi on any device drains battery at a faster rate than wifi off. it takes power to make wifi work ya know..lol i can easily get 9-10hrs. + with my brightness set to less than 25% & wifi on all the time.
also the two biggest drainers, as far as programs go, is gaming and web surfing. especially web surfing and especially while using flash. since web browsing is very ram intensive. I've noticed some browsers drain battery faster than other. Meaning some browsers are more optimized than others when it comes to power consumption. This shouldn't be nothing new. Everyone's battery drainage will be different because people use their device in different ways.
we have an update about to hit us any moment or day now so don't get too stuck on battery drainage on .21. it'll be time to test how it is on newer firmware.
Click to expand...
Click to collapse
Well hopefully after a few charges I will make my way unto that region, I think it has climbed though to a closer to 6-6.5.

[Q] Display literally destroying battery life

So across all roms I have tried the display literally destroys the battery life of my phone. While the screen is off I get fine battery life. But when the screen is on I can watch my percentage decrease about 2-3% every minute so after a half hour of browsing my battery is gone.
I have an extended battery as well but that just prolongs it slightly. The brightness is about half right now. Is this normal?

Does not sound Normal but display is the largest user of battery( unless one can use the phone with display off
I had as video streaming yesterday for 30+ min from 80% it went to 14%
haven't tried keeping just display on should try that ...test for tomorrow

NickTheMajin said:
So across all roms I have tried the display literally destroys the battery life of my phone. While the screen is off I get fine battery life. But when the screen is on I can watch my percentage decrease about 2-3% every minute so after a half hour of browsing my battery is gone.
I have an extended battery as well but that just prolongs it slightly. The brightness is about half right now. Is this normal?
Click to expand...
Click to collapse
I have my brightness set to 15% and it still sucks about half of my battery use. The display is unfortunately nearly unstoppable when it comes to battery drain. HTC and others are like "BIG PHONE DISPLAY!!!1!111!" we're all like "I can haz batteries?"
That description is the best description of our issue.
But an answer to your question, drop you brightness to as low as you can stand it and if possible try to limit the amount of times you wake the display in a day the juice it requires to turn it on is greater than it needs to sustain the screen on.

I would say yes for the most part. We have a fantastic and power hungry display...the price for greatness?
That being said, its not so bad dropped down to 25% or so, and easily viewable, except if you're outside.
Sent from my ADR6425LVW using Tapatalk 2

Alright thanks. I just wanted to make sure my phone wasn't experiencing something that is atypical. Other than that I do love this phone and the developers

It's hard to say. With screen on I loose about 1% a minute even with auto-brightness turned off and the screen at around 25%.
There are others on the forum that have made rather amazing battery life claims so it may come down the the individual device.
I have debated about returning mine for a different one to see if I get any better performance.

Diesel_71 said:
It's hard to say. With screen on I loose about 1% a minute even with auto-brightness turned off and the screen at around 25%.
There are others on the forum that have made rather amazing battery life claims so it may come down the the individual device.
I have debated about returning mine for a different one to see if I get any better performance.
Click to expand...
Click to collapse
I'm not sure I would bother chasing longer battery life with new devices. A lot of those are very optimized use cases -- either all on wifi, all in areas with great signal, or lots of screen on time but they don't mention what brightness. The fact of the matter is the phone has a tiny battery and uses up a lot of power for the display and radios. I get somewhere between 12-16 hours on a stock battery, depending on where I am and how much I use the phone (generally I'm a pretty light user, but I do leave 4G and Bluetooth on all day).

Share your battery life & temperature please

Hey, so I've seen several people claiming fantastic battery life, etc. So, I am just wondering what's your experience in general. If you've got some free time and feel like typing, can you list several things like:
roms & kernel
stock/anker battery
battery life
screen time (and possibly voice call time or whatever else that seems to consume lots of the battery life)
highest battery temperature (I recently got pretty high so I was kind of worried)
and anything else you think might worth sharing (favorite actress? :silly
As for me, I recently installed Speed ROM 6.5 with stock kernel on stock battery
I only got 8 hours battery life to get to 14% with 3 hours of screen time (mostly used for game, browsing, and flipboard)
I got up to 100F (~40.5C) after playing a game for about 15-20 mins which made me leave it for a few mins to cool down. The next time I played the game again, it got up to 109F (~43.5C) after playing for 20-30 mins....
I am wondering whether that kind of high temperature is normal or not, and whether my battery life seems ok or bad; which is why I am hoping people can share their experience here. I haven't try using faux kernel though (might try it tomorrow in hope for a better batter life)....
So, again... if anyone got free time and feel like typing, please share it with me :angel:

From my g2 to this phone all I ever see is how bad the battery is. Never noticed a difference switching roms and battery across all smartphones I've used is allot what I expect.
Some people just can't be happy you know. Not to mention people never agree on anything (me included ).
Just my two cents
Sent from my HTC_Amaze_4G using xda app-developers app

Spastic909 said:
From my g2 to this phone all I ever see is how bad the battery is. Never noticed a difference switching roms and battery across all smartphones I've used is allot what I expect.
Some people just can't be happy you know. Not to mention people never agree on anything (me included ).
Just my two cents
Sent from my HTC_Amaze_4G using xda app-developers app
Click to expand...
Click to collapse
Well, first off, I am not trying to complain about the phone here. All I am asking/trying to find out is whether my experience is "normal" or not for Amaze.
I also come from G2 and obviously the battery life will be worse on the Amaze in general. This phone is 1.5ghz dual core and 4.3" display compared to 800mhz single core and 3.7" display on g2 with only extra ~300mah on the amaze.
I just want to know if my experience of getting only 8 hours battery life (with 3 hours of screen time consist of game and browsing) and getting a high temperature of 109F on the battery is considered "normal" or not for this particular phone. I only have one phone here; so, I don't know if my unit is bad unit or if it is normal for the Amaze.
So again, by all means, I am not trying to complain about this amazing phone here. I am just trying to find out if this is what normally happen with this phone.
And yeah I'm one of those guys that can never be happy :silly:. When I used G2, I want larger phone and faster performance. When I got Amaze, I want slightly larger screen and much better battery performance. So, yeah I can never be happy with my phone :laugh:

The temperature thing is definately normal, it can get pretty high. I've had it go above 109f while on video chats on Skype. As for thebattery, that's normal too its just dependent on the user. U may have something that's running continuously in the background that your not aware of that's causing drainage. Many things that could be effecting the battery really
sent from my NRGized Amaze,
powered by faux kernel v.16

My battery temperature is over 9000!
sorry someone had to say it

@OP, most likely you either have a bad battery, or your phone isn't sleeping properly on idle, or your phone has some problems with the RUU
Code:
Battery is ~1900mAh. If you use it for 3 hours active at around 400mAh, that is 1200mAh
700mAh left for idling the rest of the 5 hours. My idle current usage is around 9-40mAh as reported by Battery Monitor Widget(go to settings, change monitoring mAh to HTC Sensation to get a better reading)
700/5 = 120mAh/hour.... this means your phone isn't sleeping properly
Get CPU Spy... install it, then put your phone down for an hour without using it.... after that, does the report show that it goes to deep sleep?
When I got my phone and flashed the ENERGY rom, I had ~8 hours of total uptime (1-2 hours of usage)... i reflashed the RUU (do it on 100% battery), then it is better now
Now, on the Energy STOCK ICS rom with FAUX latest(0.12?)
Anker battery
15 hours of uptime
1-2 hours of screen-on time(roughly 2-3 hours of phone "awake" time)
don't remember battery temps, but i don't ever remember ti being that high
interactive governor, max frequency 1.4 ghz(to maximize battery life)
data on, autosync on, 2 gmail accounts synced only
My 100%->80% battery drains in 90 minutes, but after that, it slows down
I added the following to build.prop to tweak more battery life
Code:
# Power Save Tweaks
ro.ril.disable.power.collapse=0
pm.sleep_mode=1
If you really want to stretch out the battery, change the governor to powersave(forces processor to 192mhz always), but it definitely lags and I wouldn't recommend it unless you really really need to max battery life
EDIT: Go to Settings->power->see what is using my battery, post a screenshot (this one is 16 hours plus ~2 hours usage)
see the part that says "awake", and the part that says "screen on"? It should be correlate mostly -> when you use your phone's screen, the phone is awake.... when you turn off the screen, the device should be sleeping and not be awake
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aj_2423 said:
The temperature thing is definately normal, it can get pretty high. I've had it go above 109f while on video chats on Skype. As for thebattery, that's normal too its just dependent on the user. U may have something that's running continuously in the background that your not aware of that's causing drainage. Many things that could be effecting the battery really
sent from my NRGized Amaze,
powered by faux kernel v.16
Click to expand...
Click to collapse
I guess this phone is just that "hot" eh....
So, you're saying that I should be able to get a better battery life than that?
By the way, did you use Juice Defender or anything like that? Or did you just let your mobile network and wifi on all the time?
`Ghost` said:
My battery temperature is over 9000!
sorry someone had to say it
Click to expand...
Click to collapse
It hasn't exploded yet?!?! You can use your battery to heat up your room in winter :silly:
paperWastage said:
@OP, most likely you either have a bad battery, or your phone isn't sleeping properly on idle, or your phone has some problems with the RUU
Code:
Battery is ~1900mAh. If you use it for 3 hours active at around 400mAh, that is 1200mAh
700mAh left for idling the rest of the 5 hours. My idle current usage is around 9-40mAh as reported by Battery Monitor Widget(go to settings, change monitoring mAh to HTC Sensation to get a better reading)
700/5 = 120mAh/hour.... this means your phone isn't sleeping properly
Get CPU Spy... install it, then put your phone down for an hour without using it.... after that, does the report show that it goes to deep sleep?
When I got my phone and flashed the ENERGY rom, I had ~8 hours of total uptime (1-2 hours of usage)... i reflashed the RUU (do it on 100% battery), then it is better now
Now, on the Energy STOCK ICS rom with FAUX latest(0.12?)
Anker battery
15 hours of uptime
1-2 hours of screen-on time(roughly 2-3 hours of phone "awake" time)
don't remember battery temps, but i don't ever remember ti being that high
interactive governor, max frequency 1.4 ghz(to maximize battery life)
data on, autosync on, 2 gmail accounts synced only
My 100%->80% battery drains in 90 minutes, but after that, it slows down
I added the following to build.prop to tweak more battery life
Code:
# Power Save Tweaks
ro.ril.disable.power.collapse=0
pm.sleep_mode=1
If you really want to stretch out the battery, change the governor to powersave(forces processor to 192mhz always), but it definitely lags and I wouldn't recommend it unless you really really need to max battery life
EDIT: Go to Settings->power->see what is using my battery, post a screenshot (this one is 16 hours plus ~2 hours usage)
see the part that says "awake", and the part that says "screen on"? It should be correlate mostly -> when you use your phone's screen, the phone is awake.... when you turn off the screen, the device should be sleeping and not be awake
Click to expand...
Click to collapse
Hmm... I would try to check the stuff that you said. I did see the battery use like you did and I have much more awake (since I used it for games and browsing continuosly). But, when I was not using it, it doesn't show that many "awake" status which is why I thought that Amaze battery performance is just that poor. I forgot to try third party app like battery current widget or cpu spy. I will check those out.
Did you use Juice defender or anything like that? Or, did you just set them manually when you need it?
And I did leave my WiFi and auto sync on.... From your usage, I'd assume you turn off your WiFi when you're not using it, right?
Thanks for the input
Edit: So, I am guessing there's a rogue app on my phone? I just reboot my phone, leave it for a minute, and battery current widget shows 200mA on my notification bar

From what I'm reading your a heavy user. Like me lol. The most I get is 6-8 hrs. With 1.5-2 hrs screen on time. Comparing that with others who get double digits It's nothing but I'm a heavy user. I stream Pandora daily surf the internet for 1 hr non stop, xda for most of the time. . And on weekends I'll have most 4 hrs. But 3.5 of those screen on with data streaming and screen on with out going off. Kinda like watching a netflix movie on mobile network. I use my phone like if it is my laptop now. I rarely use my laptop. I don't have internet nor WiFi to connect to. But if I tether I would run out of data faster so I avoid it. Besides battery draining faster.
I think there is a difference between:
1. leaving the screen on for a while, causing the phone and battery to get hot. Specially when gaming because CPU is constantly running.
2. And total screen on time accumulated of 2-4 hrs screen on. Which is achieved when sporadically checking phone for text, calls, email, quick surfing. Then shutting of screen through out the day.CPU goes to deep sleep phone stays cool.
Now that's what I call a heavy user.
Remember when phone is hot battery drains faster so you need to find a way to cool it down. Sometimes there are settings in cpu apps that when phone reaches certain temperature that app will force cpu clock down a lot as to use less power to start cooling down but causing lag.
I've got a 4 month old stock battery with latest faux kernel v.16 with battery saving tweaks on it. Energy rom stock 8-1. If there is anybody that reaches double digits with 6-7 hours 4g mobile streaming not wifi at all. 2 hrs without turning the screen off not 2 total hours. Please say I? I'd really like to know your secret.
Sent from my HTC_Amaze_4G using xda premium

shuvarts said:
Hmm... I would try to check the stuff that you said. I did see the battery use like you did and I have much more awake (since I used it for games and browsing continuosly). But, when I was not using it, it doesn't show that many "awake" status which is why I thought that Amaze battery performance is just that poor. I forgot to try third party app like battery current widget or cpu spy. I will check those out.
Did you use Juice defender or anything like that? Or, did you just set them manually when you need it?
And I did leave my WiFi and auto sync on.... From your usage, I'd assume you turn off your WiFi when you're not using it, right?
Thanks for the input
Edit: So, I am guessing there's a rogue app on my phone? I just reboot my phone, leave it for a minute, and battery current widget shows 200mA on my notification bar
Click to expand...
Click to collapse
Battery Current Widget... go to the options (top right), change the current selection(should be first row, then middle row) to "HTC Sensation" (it'll be more accurate)
that program doesn't accurately report mA if you don't change it(before changing, it'll be screen-off deep sleep 100mAh, but after switching, 10-40mAh)
I don't have Juice Defender on... autosync and data is on all the time
try w/o wifi on... i think wifi should take less battery power than data, but it always depends
on my screenshot, if you go back one and click on the screen-on... what does it say?
what does CPU Spy say about your phone going to deep sleep?
fcpelayo said:
From what I'm reading your a heavy user. Like me lol. The most I get is 6-8 hrs. With 1.5-2 hrs screen on time. Comparing that with others who get double digits It's nothing but I'm a heavy user. I stream Pandora daily surf the internet for 1 hr non stop, xda for most of the time. . And on weekends I'll have most 4 hrs. But 3.5 of those screen on with data streaming and screen on with out going off. Kinda like watching a netflix movie on mobile network. I use my phone like if it is my laptop now. I rarely use my laptop. I don't have internet nor WiFi to connect to. But if I tether I would run out of data faster so I avoid it. Besides battery draining faster.
Click to expand...
Click to collapse
Maybe you should try to mod the Atrix Lapdock... if it works, you get a larger screen and a 35W battery
I've got a 4 month old stock battery with latest faux kernel v.16 with battery saving tweaks on it. Energy rom stock 8-1. If there is anybody that reaches double digits with 6-7 hours 4g mobile streaming not wifi at all. 2 hrs without turning the screen off not 2 total hours. Please say I? I'd really like to know your secret.
Click to expand...
Click to collapse
if you are only getting 8 hours uptime with 1-2 hours of usage, then your phone's not going to sleep properly... I'd reflash the RUU, then flash Energy ROM and faux kernel... i had that problem before I reflashed RUU (but that was before I knew more about CPU states and mAh usage on this phone, so I don't know if it was a problem with the deep sleep, or the phone not properly updated to ICS when I got it from someone else)
you want to try to max battery life? I can give you hints to hit that mark... it's all about physics/electronics
your battery is 1900mAh.... Using Battery Monitor Widget(with the Settings changed to detect the phone as "HTC Sensation", see above)
With the tweaks in my first post of the build.prop, BMW shows my idle around 10-40mAh..... 10 hours of idle = 100-400mAh. Note, this is with sync and data on... if you use Juice Defender or data off, probably less
So, idle, you use up 400mAh... you have 1500mAh left
1500mAh / 6 hours = 250mAh each hour.... with BWM, it shows that the current usage goes between 100-500mAh depending on how much screen brightness, data used, processor speed... If i choose powersave, I think it goes between 50-300mAh, but its really laggy, noticeable
300mAh * 6 hours = 1800... close enough
to avoid the 100%->90% fast drain, employ bump charging:
either
1) charge your phone to 100%. remove plug, wait for it to drop to 90%. replug it, charge to 100%... repeat for 5-10 times
2) charge your phone to 100%. remove plug, shutdown. Replug it, wait till the light goes green, boot up, charge to 100%, remove plug and shutdown, replug it , wait till light goes green etc.... do the cycle for 5-10 times

I was trying to see how much I could get out of my phone. I used my phone as little as I could, putting it into airplane mode when I slept.
ROM and Kernel: I was using the latest build of Energy and Faux Kernel v.15 at the time of the picture
Using stock battery, unfortunately I do not know what the highest battery temperature is.
View attachment 1268923 View attachment 1268924 View attachment 1268925

idaggerpwn said:
I was trying to see how much I could get out of my phone. I used my phone as little as I could, putting it into airplane mode when I slept.
ROM and Kernel: I was using the latest build of Energy and Faux Kernel v.15 at the time of the picture
Using stock battery, unfortunately I do not know what the highest battery temperature is.
Click to expand...
Click to collapse
unfortunately, for this device, the screen brightness and dual-cpu takes up a lot of power... if you see the pic below, when you use your phone(screen-on/awake), the battery % left has a sharp drop
I know for my old phone, LG Optimus T, I didn't have a data plan... the phone had data off all the time, and I got days out of using it(phone calls, wifi/browsing, checking gmaps offline)... once I enabled a data plan, it got half (like 1.5 days instead of 4)
if you calculate your usage... its possible
24 hours * 50mAh during idle = 1200 mAh
2 hours * 300mAh/hour during screen-on usage = 600mAh
total = 1800mAh, the capacity of your battery

paperWastage said:
to avoid the 100%->90% fast drain, employ bump charging:
either
1) charge your phone to 100%. remove plug, wait for it to drop to 90%. replug it, charge to 100%... repeat for 5-10 times
2) charge your phone to 100%. remove plug, shutdown. Replug it, wait till the light goes green, boot up, charge to 100%, remove plug and shutdown, replug it , wait till light goes green etc.... do the cycle for 5-10 times
Click to expand...
Click to collapse
So if I use either of those 2 methods above, is my battery 'cured" of the 100% to 90% fast drain? Or do I have to keep doing it over a period of time?

icepixie said:
So if I use either of those 2 methods above, is my battery 'cured" of the 100% to 90% fast drain? Or do I have to keep doing it over a period of time?
Click to expand...
Click to collapse
bump charging only helps you for that one time... you have to do this every time if you want max battery capacity
the problem is 2 things
1) the hardware/software is configured to maximize battery lifespan, meaning to slowly charge it and not go to 100% (high voltage, damages battery)...
2) the hardware/software is poorly coded, can't read the battery voltage properly...
either way, doing this means you are forcing current into the battery every time... your battery will hold less charge in a few months if you force it to full everytime... so you have to get a new battery aftera couple of months or live with lower capacity

I will just try to observe it better tomorrow using all those apps. With much less usage (1.5 hrs of screen time), i only got 11hrs of battery life. The screenshot below is for those 1.5hrs f screen time... I dont use jd and got email sync every 1 or 2 hr though....
Sent from my HTC_Amaze_4G using xda app-developers app

I tested the idle-deep sleep capacity of the phone...
got 21 hours idle, 17 minutes screen-on (minimal use of phone) with 50% left
here is my phone with data and auto-sync ON, I got roughly 10 emails(all received during different times), had about 10 minutes of phone calls
NOTE: around the first part of the graph, you see the %-left spike up... I rebooted my phone then... and you can see that the battery-monitoring software/hardware part recalibrates itself to the real value
NOTE: cell standby-time of 21 hours used more battery than screen-on of 17 minutes.
When I used the phone for another 15 minutes, screen used 35% of battery while cellular standby dropped to 22%
tl;dr, using the phone, especially the screen, kills the battery a lot more... not using the phone = lasts a long time

paperWastage said:
I tested the idle-deep sleep capacity of the phone...
got 21 hours idle, 17 minutes screen-on (minimal use of phone) with 50% left
here is my phone with data and auto-sync ON, I got roughly 10 emails(all received during different times), had about 10 minutes of phone calls
NOTE: around the first part of the graph, you see the %-left spike up... I rebooted my phone then... and you can see that the battery-monitoring software/hardware part recalibrates itself to the real value
NOTE: cell standby-time of 21 hours used more battery than screen-on of 17 minutes.
When I used the phone for another 15 minutes, screen used 35% of battery while cellular standby dropped to 22%
tl;dr, using the phone, especially the screen, kills the battery a lot more... not using the phone = lasts a long time
Click to expand...
Click to collapse
I guess after using all those apps that you mention, I can kind of see that Amaze battery is just way worse than my G2. I was pampered with my G2 battery life for a week and now I realized how bad Amaze battery is. lol
I got 11% left after 12h 15min. That's about 1550mA used (I use stock battery).
almost 3 hours of screen time (3*350) = about 1050mA
25 mins of phone call = ~120 mA
about 8h 45 mins of idle = 360mA
So, yeah, it summed up about right this time (more accurate compared to my first result where I think I got a rogue app)...
**I am eagerly patiently excitedly waiting for a fully working stable CM9 by sport :angel: **
On a side note, just wondering if anyone know if galaxy s2 have better, worse, or about same battery life? I am just curious since s2 is supposed to be amaze rival at t-mob....

Here's mine
Rom: Fourth Bar Jellybean Fusion
Kernel: Faux's Kernel, latest edition [August 15th]
Average Temp: high 90's
Average Battery Life: 5-6 hours.

Realize that what you do with screen on makes a significant difference- If I play organ trail(awesome zombie game styled after old school oregon trail game) I can play for a long time with little battery drain.. but it is a 2d game, and not going to be very processor intensive. If I play final fantasy 3, a 3d game, wow.. battery will drain much quicker, but then again, it IS a 3d game, and processor intensive. So HOW you use your phone is even more important than the screen on time.
With the latest faux(17) kernel, and 2-3 hours of screen on, the last few days I have 45% battery left after 15 hours since unplugged. Maybe 30-45 minutes was organ trail, but not much other gaming. The only changes I made, were made to the kernel, which I posted here(be aware that making all those changes will create some small lag changing screen orientation or opening app drawer, but haven't noticed anything else). http://forum.xda-developers.com/showpost.php?p=30298629&postcount=4
I also underclock to 1.2ghz- this doesn't create any lag, and no game or app I have used seems to work ANY better @1.5ghz than it does @1.2ghz. The main difference is the voltage it uses at max speed will be less @1.2ghz.
If you have weak 4g signal, there is an app i recently posted in some thread that puts it on 2g while screen off.. that has helped a lot too. If you have constantly good signal, then it won't make MUCH difference(tho 2g does drain less than 4g even with good signal), but it takes up to 2 seconds for it to switch to 4g after screen on. I can wait two seconds before opening an app, I don't care.
I assume you have used betterbatterystats to see what apps keep your phone from deep sleep, under partial wakelock?
And when I get obnoxious drain, but NOT because the phone isn't going into deep sleep.. I turn on the logging of an app called currentwidget- it can actually measure the MAH used while using specific apps.. the app itself can cause a bit of drain, but you'd only use it long enough to see what app is so battery inefficient. I have more about how to use that under battery savings part of the bible in my signature.
Edit: And I consistently get battery temperature of 77.7-77.9F, I always have, no matter the kernel or rom or settings.. perhaps it raises a TINY bit when I play some intensive game, but never noticeable. I am using an anker battery tho, so if you are using stock, perhaps that is a factor.

broker32 said:
Here's mine
Rom: Fourth Bar Jellybean Fusion
Kernel: Faux's Kernel, latest edition [August 15th]
Average Temp: high 90's
Average Battery Life: 5-6 hours.
Click to expand...
Click to collapse
Whoa... I suppose there is someone out there with similar condition with mine... I almost thought I am the only one
Silentbtdeadly said:
Realize that what you do with screen on makes a significant difference- If I play organ trail(awesome zombie game styled after old school oregon trail game) I can play for a long time with little battery drain.. but it is a 2d game, and not going to be very processor intensive. If I play final fantasy 3, a 3d game, wow.. battery will drain much quicker, but then again, it IS a 3d game, and processor intensive. So HOW you use your phone is even more important than the screen on time.
With the latest faux(17) kernel, and 2-3 hours of screen on, the last few days I have 45% battery left after 15 hours since unplugged. Maybe 30-45 minutes was organ trail, but not much other gaming. The only changes I made, were made to the kernel, which I posted here(be aware that making all those changes will create some small lag changing screen orientation or opening app drawer, but haven't noticed anything else). http://forum.xda-developers.com/showpost.php?p=30298629&postcount=4
I also underclock to 1.2ghz- this doesn't create any lag, and no game or app I have used seems to work ANY better @1.5ghz than it does @1.2ghz. The main difference is the voltage it uses at max speed will be less @1.2ghz.
If you have weak 4g signal, there is an app i recently posted in some thread that puts it on 2g while screen off.. that has helped a lot too. If you have constantly good signal, then it won't make MUCH difference(tho 2g does drain less than 4g even with good signal), but it takes up to 2 seconds for it to switch to 4g after screen on. I can wait two seconds before opening an app, I don't care.
I assume you have used betterbatterystats to see what apps keep your phone from deep sleep, under partial wakelock?
And when I get obnoxious drain, but NOT because the phone isn't going into deep sleep.. I turn on the logging of an app called currentwidget- it can actually measure the MAH used while using specific apps.. the app itself can cause a bit of drain, but you'd only use it long enough to see what app is so battery inefficient. I have more about how to use that under battery savings part of the bible in my signature.
Edit: And I consistently get battery temperature of 77.7-77.9F, I always have, no matter the kernel or rom or settings.. perhaps it raises a TINY bit when I play some intensive game, but never noticeable. I am using an anker battery tho, so if you are using stock, perhaps that is a factor.
Click to expand...
Click to collapse
Good to know that. I used a different app to check the current mah and it seems reasonable. I forgot to use better battery stat; but, based on cpu spy, the deep sleep time seems about right... I haven't updated my kernel to v17 (still on v15) and haven't done any edit that you mention since I was still switching roms to find the ROM that suits my need. I might try to do those stuffs today and hope for the best.
And btw, I am kinda jealous with your battery life... 45% left after 15 hours unplugged and 3 hours screen ON
I might get similar result; but my battery left will be 10% and those screen on are mostly on flipboard, xda, and browsing....
Like right now, 6h 10min unplugged, 40 mins of screen on (xda & flipboard), and I am down to 66% :crying:
**On a side note, I just get my hand on gs2 and I am just curious to try and see how good it is since gs2 seems to be such a hyped up device compared to amaze.... :laugh:

shuvarts said:
Like right now, 6h 10min unplugged, 40 mins of screen on (xda & flipboard), and I am down to 66% :crying:
**On a side note, I just get my hand on gs2 and I am just curious to try and see how good it is since gs2 seems to be such a hyped up device compared to amaze.... :laugh:
Click to expand...
Click to collapse
Just checked my usage. I'm sorta similar to yours in terms of screen on time. 11 h 43 m since unplugged, 39 min screen on (facebook, news, texts) and I'm down to 62%. My screen on time isnt that high, yet something else is draining my battery.
Awake time is 1 h 44m. Lots of Alarm Manager partial wakelocks. need to figure out what's causing those

Standby drain

When you sleep, does your phone sleep, or does it stay up all night and crunch 1s and 0s? Rate this thread to express how you deem the speed at which the Samsung Galaxy Note 10+'s battery drains under standby conditions. A higher rating indicates that when the phone is not in use, the battery drains minimally.
Then, drop a comment if you have anything to add!

4g drain is much better than it was on the s10, but overnight its still a mixed bag. One night it was 3% overnight, another it was 12%.

One night forgot to charge the phone. It drained less than 5% overnight.

I lose a couple percent per night tops

IMO it would be helpful if posters stated SD/Exynos and stock/debloated/custom . My stock SD runs about 0.5 to 1%/hour and I would be very envious if that couple percent per night was stock also. Once I debloat it and get rid of most of the crap I don't use 2 percent per night would be something I would actually expect.

If wifi signal is strong, less battery drain. If on LTE and the signal is strong, less drain. BUT if wifi or 4gLTE is weak, expect greater battery drain. Also i turn off GPS for lesser drain.

Note 10+
Qualcmm
Power save mode
Stock/disabled unused, unneeded apps and services that I don't use or need.
I lose about 3 percent over night, from 8pm to about 4am. Wish adhell was still available I could've saved an additional 1 to 1.5 percent. That's like an additional 10+ minutes of screen on time wasted.

Note 10+ Exynos
Full monty (wifi, 4G, gps, bluetooth, nfc, sync etc .. ALL on!)
No power saving settings, no bixby routines to save battery, Full WQHD+
Stock
disabled apps: Facebook, Write on PDF and Chrome
So basically everything that could be set to ON, I did turn ON. I like to have a smartphone, not a dumbphone.
loses 5% in 6 hours.

jabberwock said:
Note 10+ Exynos
Full monty (wifi, 4G, gps, bluetooth, nfc, sync etc .. ALL on!)
No power saving settings, no bixby routines to save battery, Full WQHD+
Stock
disabled apps: Facebook, Write on PDF and Chrome
So basically everything that could be set to ON, I did turn ON. I like to have a smartphone, not a dumbphone.
loses 5% in 6 hours.
Click to expand...
Click to collapse
Heh heh heh.....that's like having all the lights, TVs and appliances on in the house while you're asleep in the bedroom. But alas it's your phone, do what you will.
I on the other hand did a few more tweaks and now losing about 2% loss from 9 to 4:30 that's about 1% per 3.5 hours compared to your 1.2 per 1%.
It's an asinine notion to think that having all things on at all times somehow makes your phone any smarter than any other. I mean your phone isn't smarter than any dumb phone if it's not being used. The phone might be smart but the user.....well that's still up for debate.
So just a few questions
Why have services on that you're not using or never will use?
Why waste battery power and charge cycles?
Why do you feel that having all those services on when not being used is better than turning them on only when they're needed?

lennie said:
Heh heh heh.....that's like having all the lights, TVs and appliances on in the house while you're asleep in the bedroom. But alas it's your phone, do what you will.
I on the other hand did a few more tweaks and now losing about 2% loss from 9 to 4:30 that's about 1% per 3.5 hours compared to your 1.2 per 1%.
It's an asinine notion to think that having all things on at all times somehow makes your phone any smarter than any other. I mean your phone isn't smarter than any dumb phone if it's not being used. The phone might be smart but the user.....well that's still up for debate.
So just a few questions
Why have services on that you're not using or never will use?
Why waste battery power and charge cycles?
Why do you feel that having all those services on when not being used is better than turning them on only when they're needed?
Click to expand...
Click to collapse
I didn't say I do not use services. I use those services and features for automation purposes a lot!.
Let me state it otherwise, I (want to) use the full potential of my device all the time. We are talking about 0.2% battery difference per hour. That is 4.8% battery difference over the course of 24 hours. Since I charge my device at least once somewhere in those 24 hours I do not concider that as an issue. It is such a minor difference I personally don't want to bother myself with the hassle of turning off some features, and keep myself reminding to turn them on again the next morning.
And no.. I do not leave my TV on when not in use. But I also do not leave the screen of my phone on while I sleep. But I do use all the possible features of my TV when using it. See the difference?

jabberwock said:
I didn't say I do not use services. I use those services and features for automation purposes a lot!.
Let me state it otherwise, I (want to) use the full potential of my device all the time. We are talking about 0.2% battery difference per hour. That is 4.8% battery difference over the course of 24 hours. Since I charge my device at least once somewhere in those 24 hours I do not concider that as an issue. It is such a minor difference I personally don't want to bother myself with the hassle of turning off some features, and keep myself reminding to turn them on again the next morning.
And no.. I do not leave my TV on when not in use. But I also do not leave the screen of my phone on while I sleep. But I do use all the possible features of my TV when using it. See the difference?
Click to expand...
Click to collapse
Hmm, I hear what you're trying to say but your math is wrong. I mean think about it, you lose 5% in 6 hours of idle time, then in a 24 hour period your phone lose 20% of its battery doing nothing.
OK let's put it another way, you lose .83% each hour when you're not using your phone so over a 24 hour period you're only able to use 80% of your battery because 20% is wasted doing nothing.
Over a 5 day period you lose 1 charge cycle count on your battery doing absolutely nothing.
I see that as an extraordinary waste. I on the other hand lose 2% in 7 hours of idle time, that's .26% each hour and about 6% over a 24 hour period. 16 days to lose charge cycle count based on idle time.
.83 vs .26
20 vs 6
5 vs 16
Those are huge differences, so not sure where you got the:
"We are talking about 0.2% battery difference per hour. That is 4.8% battery difference over the course of 24 hours"
But as I've said it's your phone use it how you will. There's no wrong way in using your phone, use it in whatever way meets your needs.
I on the other hand feels that efficiency and battery life are paramount.

jabberwock said:
Note 10+ Exynos
Full monty (wifi, 4G, gps, bluetooth, nfc, sync etc .. ALL on!)
No power saving settings, no bixby routines to save battery, Full WQHD+
Stock
disabled apps: Facebook, Write on PDF and Chrome
So basically everything that could be set to ON, I did turn ON. I like to have a smartphone, not a dumbphone.
loses 5% in 6 hours.
Click to expand...
Click to collapse
My man...why buy power phone and than dim screen to 20%, disable all and than brag how you save couple percent of batt...
Anyway I saw you had note 8. I've got it now and thinking of buying note 10...are you happy now that you change it or you feel it was waste of money?...Are cameras at least decent upgrade or?

Makonator said:
My man...why buy power phone and than dim screen to 20%, disable all and than brag how you save couple percent of batt...
Anyway I saw you had note 8. I've got it now and thinking of buying note 10...are you happy now that you change it or you feel it was waste of money?...Are cameras at least decent upgrade or?
Click to expand...
Click to collapse
Not to butt in, but I had a Note8 and Note9 prior to this Note10+. This thing handily wipes the floor with both devices. Huge upgrade from the Note8 for sure!

PsiPhiDan said:
Not to butt in, but I had a Note8 and Note9 prior to this Note10+. This thing handily wipes the floor with both devices. Huge upgrade from the Note8 for sure!
Click to expand...
Click to collapse
thx my man...Im thinking about note 10 + or oneplus 7 pro...but I don't like curves on it...

Makonator said:
My man...why buy power phone and than dim screen to 20%, disable all and than brag how you save couple percent of batt...
Click to expand...
Click to collapse
hehhehhheh "Standby drain" my friend, has nothing to do with dimming screens or SoT. If you're not using the phone why let it drain and go to waste? why not put it to good use like towards more NFC, more wifi, more bluetooth? more Samsung Pay? more Browsing, screen on time? towards more of the services you actually use?
Losing 20% of your battery power in 24 hours doing nothing is just stupid imo. You know....thinking about it, that 20% wasted battery could've given you about 2 to 3 hours of additional SoT. So instead of getting 5 to 6 hours you could be getting 8 to 9. OH what a difference a "couple percent of batt..." could make.
Man, it has nothing to do with bragging but it has a lot to do with common sense.

Makonator said:
My man...why buy power phone and than dim screen to 20%, disable all and than brag how you save couple percent of batt...
Anyway I saw you had note 8. I've got it now and thinking of buying note 10...are you happy now that you change it or you feel it was waste of money?...Are cameras at least decent upgrade or?
Click to expand...
Click to collapse
Wait..what? Where I am bragging? I just said I actually use my phone with as much features and options enabled. I simply do not care about saving some extra percent of battery.
regarding the upgrade: yes i'm happy.
lennie said:
Hmm, I hear what you're trying to say but your math is wrong. I mean think about it, you lose 5% in 6 hours of idle time, then in a 24 hour period your phone lose 20% of its battery doing nothing.
OK let's put it another way, you lose .83% each hour when you're not using your phone so over a 24 hour period you're only able to use 80% of your battery because 20% is wasted doing nothing.
"We are talking about 0.2% battery difference per hour. That is 4.8% battery difference over the course of 24 hours"
Click to expand...
Click to collapse
Again...I do not care about the difference, because the 20% battery loss per 24h is mostly the time when I sleep and not using the phone anyway. Off course when I'm in a situation where I can not charge my phone, I switch off unused options to save battery. But in normal day use I find on/off toggling too much hassle.

You guys should take your conversation into a DM maybe..
Snapdragon
WQHD
Location on
Bluetooth on (Galaxy watch)
Optimized mode, with adaptive battery
Left my phone off the charger last night, 87% at 12:45. woke up at 9:15 to 82, but about 10 seconds after I started using my phone it went to 81%. This a normal standby drain? Forgot to take a screenshot, but it looked/looks like my Android system is always second to screen in the battery section.

jabberwock said:
Wait..what? Where I am bragging? I just said I actually use my phone with as much features and options enabled. I simply do not care about saving some extra percent of battery.
regarding the upgrade: yes i'm happy.
Click to expand...
Click to collapse
No I don't think he was saying you were bragging at all. I think he was saying people who post great screen on times and prefer more efficient use of their phones are somehow bragging.
jabberwock said:
Again...I do not care about the difference, because the 20% battery loss per 24h is mostly the time when I sleep and not using the phone anyway. Off course when I'm in a situation where I can not charge my phone, I switch off unused options to save battery. But in normal day use I find on/off toggling too much hassle.
Click to expand...
Click to collapse
I understand that which is why I said it's your phone, use it how you will.

I just got my Note10+, 5 days ago, and it is draining 31% !!! overnight (7h of sleep). This is really too much, specially considering it is a big battery...
I leave it with everything on (wifi, bluetooth, nfc, etc). I come from an S8 and, in the same conditions, S8 just drained around 9% over night (with a much smaller battery).
Going to the Battery usage, I don't find anything strange, but I see that the data there is not accurate. For example in the last 1 Day I played a game for 3 hours and the battery usage shows only 40m active for that game.
Don't really know where to start to solve the issue...

RoyaL said:
I just got my Note10+, 5 days ago, and it is draining 31% !!! overnight (7h of sleep). This is really too much, specially considering it is a big battery...
I leave it with everything on (wifi, bluetooth, nfc, etc). I come from an S8 and, in the same conditions, S8 just drained around 9% over night (with a much smaller battery).
Going to the Battery usage, I don't find anything strange, but I see that the data there is not accurate. For example in the last 1 Day I played a game for 3 hours and the battery usage shows only 40m active for that game.
Don't really know where to start to solve the issue...
Click to expand...
Click to collapse
Woah that is a huge drop I would've lost my mind waking up and seeing that. Did you restore from a backup when setting up your phone? Usually you want to stay away from restoring settings unless going to the same type phone/phone.
Or you have an app that went rogue. Make sure to check your data usage to see if any app used more data that you think it should. Like if you installed a keyboard, it shouldn't be having 300+MB worth of network traffic.
But for what it's worth my guess is it's a Samsung smartswitch restore issue. In which case you'd probably have to do a settings reset or last resort a full reset then only restore your data next time around.

Question Battery health?

Hi, do ive Been wondering how is battery health on your device?
I have mine for one month only but battery is already at 93% health, with a little bit less than 4200 mAh.
I dont know how much it lost during one month, because i have been using accubattery for 4 days only.
Im only charging it to 90% but its doesnt look like it helps at all?
To be honest im a little bit worried about longevity of this battery.
It already barely lasts a day with a moderate usage.

For longevity limit charge cycle to 40-72%
Li's wuv frequent midrange power cycling.
Don't start a charge below a battery temp of 72F, best is 82F or higher.
Never attempt to charge an Li below 40F!
Stop charging if it reaches 102F, don't start charging above 98F and use cooling in high ambient temperatures.
Accubattery may not be absolutely accurate as far as the battery's initial capacity. Instead use Accubattery as a guide to monitor your battery temp, power consumption and charging times.
Replacing the battery in most models isn't a big deal or very expensive. Just do it when it starts to fade before it fails. On a heavily used device you'll get 1-2 years.
Weed out or tone down battery hog apps as they reduce SOT as well as impact battery longevity by needlessly using power.

Caroleus said:
Hi, do ive Been wondering how is battery health on your device?
I have mine for one month only but battery is already at 93% health, with a little bit less than 4200 mAh.
I dont know how much it lost during one month, because i have been using accubattery for 4 days only.
Im only charging it to 90% but its doesnt look like it helps at all?
To be honest im a little bit worried about longevity of this battery.
It already barely lasts a day with a moderate usage.
Click to expand...
Click to collapse
The phone probably doesn't know the battery's capacity or charge level. There's a broad range of charge level where performance is mostly flat and you're only getting estimates.
Run it from fully dead to fully charged to get better data. The battery is rated for about 400 full cycles so having that happen occasionally is no big deal.

kevinmcmurtrie said:
The phone probably doesn't know the battery's capacity or charge level. There's a broad range of charge level where performance is mostly flat and you're only getting estimates.
Run it from fully dead to fully charged to get better data. The battery is rated for about 400 full cycles so having that happen occasionally is no big deal.
Click to expand...
Click to collapse
Accubattery intially goes by what the phone is reporting as battery capacity which itself isn't necessarily accurate. You can set the capacity in Accubattery, lol. Doing that will make it look worse unless you pick a lower value... problem solved. Play with it, then leave it alone and note the changes over time.
All things being equal the SOT is a better indicator of actual battery capacity/condition. When it goes slowly from a SOT of 10%@hr to eventually 20%@hr you know the battery is degraded.
It may also fast charge quicker as it nears the end of its usable lifespan.

I really wouldn't worry about the battery charging debate. The battery will last two or three years tops no matter what you do. But at least Sony gives us three different ways to charge the phone if you think it will make any difference.

jaseman said:
I really wouldn't worry about the battery charging debate. The battery will last two or three years tops no matter what you do. But at least Sony gives us three different ways to charge the phone if you think it will make any difference.
Click to expand...
Click to collapse
Yeah just one over temperature >112-140F when fully charged event can knock dozens of full charge cycles from an Li's lifespan.
Near full discharge and full charging aren't necessary and best to avoid most of the time.
Never low temperature charge as it can cause Li plating which permanently degrades the cell capacity and may lead to internal short outs (very bad).
Regardless the Li starts degrading the day it's assembled.
Born to die...
Get use to the practice of replacing them when they get to about 80% of their original capacity before they fail and potentially destroy the phone.

jaseman said:
But at least Sony gives us three different ways to charge the phone
Click to expand...
Click to collapse
They didn't give us the most important option : disable fast charging.
Temperature is even worse for the battery than fully charging it, but I don't know why I can't disable fast charging, I almost always charge at night so I don't need fast charging at this moment.
And "just use another slow charger" isn't a valid option, I want a toggle to switch between fast and slow charging because I sometimes need fast charging. My previous phone had this option and I always thought it was included in Android but it seems it was my OEM adding this feature, it's very nice.

MK73DS said:
They didn't give us the most important option : disable fast charging.
Temperature is even worse for the battery than fully charging it, but I don't know why I can't disable fast charging, I almost always charge at night so I don't need fast charging at this moment.
And "just use another slow charger" isn't a valid option, I want a toggle to switch between fast and slow charging because I sometimes need fast charging. My previous phone had this option and I always thought it was included in Android but it seems it was my OEM adding this feature, it's very nice.
Click to expand...
Click to collapse
Slow charging to 100% is likely harder on the battery than fast charging to 80%.
The lower wattage charger idea works fine too...
What's really damaging to an Li is charging it if its temperature is below 72F. 82F is the optimum start temperature for charging.

The specs could say that the battery is 4500mAh but probably the real mAh that the phone can read will be around 4200-4300mAh. Your battery is probably fine, but check it in one month to how is going. Try with different apps to see if all read the same or try to charge once at 100%.
I only charge the battery up to 80% because for me it´s enough but if need it you can charge up to 100%. This is not an electric car. If in 3 years you have to pay $50 to change the battery because its dead I think is reasonable.

Thx for replies, guys.
Im not completly green when it comes to technology, im just a little bit worried about sony batteries longewity.
Im already using battery saver (but 90% option, not 80 - cutting battery by 1/5 is not an option for me) and it usually gets me through a day.
If i needed to replace it in 2 years i wouldnt have any problems, its just im afraid that ill be forced to change it yearly.
To be honest im a little bit shocked how bad battery management/life in this telephone is, my old P30 pro battery life was twice of xperia's.
I already debloated it and at least it lowered off screen consumption from 1.5% (lol) to 1% (which is still much IMO) so its a little bit better now.
Anyway @aaronbs following your adice i tried few other battery apps, they all show 4380mAh as factory capacity, thats a shame - usually most devices which i used had more capacity than stated by producer, not less.
But as long as battery health doesnt goes down too fast i can stomach frequent charging.

Try using tap on AOD if you have it.
Disable all carrier, Google and app feedback.
Disable Google Backup Transport and Firebase.
Disable Google play Services when not needed.

I don't use a battery_app, I believe the app works In background, therefor consuming power.
What I do is, after closing the app, long press on it, and force it to stop.
This way I don't use background power for certain apps I only use like once a week and so.
Maybe worth a try?
My device samsung A71 5G non root
Note
I also suspect manufacturers to put weaker quality batteries in devices, wich don't last as long in compare to the time you could change the battery yourself by opening the back. This is done so you just have to buy a new phone again for its not worth it to spend much money to the repairshop, to have them put a new (and often non branded even lower quality) battery in it.....
Knowing this, I'll just never buy those ridiculously high priced flagships, they just have a too short lifetime. I take a mid_end model priced around 350 euro and I'm satisfied with its capabilities, since it's only a phone IMHO.

andreoide said:
I don't use a battery_app, I believe the app works In background, therefor consuming power.
What I do is, after closing the app, long press on it, and force it to stop.
This way I don't use background power for certain apps I only use like once a week and so.
Maybe worth a try?
My device samsung A71 5G non root
Click to expand...
Click to collapse
Accubattery doesn't use much in the background unless you are viewing it. At night, screen off it uses nothing. I have several including Device Care and Galaxy Battery Tracker. There power usage impact is minimal.

Also, for battery life it is worth to remember to restart your device at least once a week
I would like to have an option to switch fast charging on/off as well

blackhawk said:
Try using tap on AOD if you have it.
Disable all carrier, Google and app feedback.
Disable Google Backup Transport and Firebase.
Disable Google play Services when not needed.
Click to expand...
Click to collapse
Thanks, i disabled everything i could without impairing the phone (all which should work, works lol) and during the night i got 0.5 % drain per hour.
I still find it ridiculous that phone drains such amount but its big improvement over 1.5% out of the box.
Judging by amount of data they are collecting, google should pay US for using android lol.
Anyway, for now it looks ok - battery life while underwhelming is tolerable for now i guess (its probably only twice as bad as it should be lol)
After next update (bugfixes) i will probably try to disable/remove everything spyware/bloatware releated and chceck how will it affect battery life and health.

For tap on AOD around .5%@hr is nominal and means no apps are running in the background.
Keep screen brightness at 50% or less... don't use in the sun.
Otherwise find the power hogs. Took about a year or so until I got my Note 10+ dialed in the way I wanted.
Updates? Be careful as they can completely bone you. I never upgrade the OS if it's running well.

I noticed that my phone can't sleep if there's an app in the foreground with permission to keep the screen on. Press the power button and the screen turns off... for a moment. It comes back on to the app or the lock screen with high power drain. The only way to turn off the screen off is to switch to another app before pressing the power button. Even so, the lock screen may become stuck on until the app is killed.

The longest time that I used to get is over 7h onscreen including two nights standby. (BC72 Sea ROM)
Screen brightness automatically 60Hz, Wifi/LTE/Bluetooth were using when I needed.
It got 0.3-0.4%/h (2 sims) when screen off during night ~7h and wifi on even screen off at day got 0.5-0.6%/h.
So it took 15% for ~26h screen off and 74% ~7h screen on.
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AccuBattery does not show battery capacity well. In Charging tab it says 4414 mAh for me, in Health tab it says 4233 mAh. Please note I set it to charge only to 80%. By charging to 80% I am using only 0.2 cycle instead of full 1 cycle when charging to 100%. That is why we all should be charging even few times during the day to 80% instead of charging it to 100%.
Now, AccuBattery after a while thinks that this 80% I am charging to is my 100% capacity that is why it shows low 4233 mAh. It thinks I am charging it to max and it is max capacity. They did it very bed. Now imagine one I charged it to 100% and AccuBattery showed my battery capacity is over 5000 mAh
You can try to do same exercise: charge tour battery to 80% only for longer time, observe values going down in AccuBattery and then charge it to 100%. Result? Battery over 5000 mAh. Surprise! What a bonus!
So do not worry much about battery life. Really charging it 3x a day to 80% still will be better than charging it once to 100% as it will use only 0.6 of a cycle.
And yes I agree sony should give us a toggle to choose between slow and fast charging as next update to battery care. It may be even good for them as less people will send them devices on warranty because of battery issues over time.
The problem is not battery longevity at sony but rather small SOTs. Especially it is bad in 2 conditions:
1. When 120Hz is ON
2. When using carrier network instead of wifi.
3G/4G is just bad, 5G is nightmare (I disabled it as couldn't afford so weak battery life when I was using it).
STAMINA mode and disabling 5G helps.
Recently there was some change that made 60Hz mode more smooth so I am using 120Hz less frequently. In past 60Hz was worse, a lot of stuttering, animations were not smooth.
I hope they could also give us 90Hz.
That would be best.
Sony please read it and give us:
1. Toggle for slow charging
2. 90Hz mode
3. Control on resolution screen.
Maybe Ultra Stamina to be back?

Am I the only one that every time I plug my device to charge at night and turn the screen off in case the network (wifi or carrier) is on after a moment there will be always notifications from gmail coming?
Why it always happens in this scenario?
It annoys me and I do not know how to change it.
Do you have the same?

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