[Q] Official ICS battery life vs GB battery life - Galaxy S II Q&A, Help & Troubleshooting

So I'm on stock LA4 GB. Contemplating flashing LPQ and wondering beforehand how the battery life is?
I have BT/Wifi/3G on all day with about 1-2hrs of calls max in a day and on GB I reach around 20% battery at 6pm. Phone leaves charger at 8am.
What's to expect with LPQ? Any firsthand experiences so far?

I did not tested yet the LPQ in full radio but so far I am liking its battery life performance.
let's wait for others input..
Cheers,
Unwired

ics standby time is normal and most likely same like gb rom in term of battery life.
but usage time ,ics seems to eat more juice ..
but i believe after several cycle of full charge + calibrate , it'll be normal too. just like gb

I installed it and I'm about to start my day.. Right now it's pretty nice. G+ update fixed the crashes but I'm unable to detect my Bluetooth earpiece and that's a deal breaker as I need it for when I get calls while driving.

I installed LPQ yesterday and I'm going back to GB 2.3.6 because of the battery life. With GB I could last almost 16 hours of moderate to heavy use. Today, with moderate use, it lasted me roughly 8 hours. This is a deal breaker for me because I'm on the move all day long.
It was a disappointment because it looks almost as GB but with lots of glitches on my favorite games and apps, battery drainage, and crashes. I guess I was expecting something more like Vanilla Ice Cream Sandwich. I wish there were no OS fragmentation on stock Android. Something more like iOS. My iPod Touch from two years ago looks exactly the same as my mother's brand new iPhone 4s.

cannabia said:
I installed LPQ yesterday and I'm going back to GB 2.3.6 because of the battery life. With GB I could last almost 16 hours of moderate to heavy use. Today, with moderate use, it lasted me roughly 8 hours. This is a deal breaker for me because I'm on the move all day long.
It was a disappointment because it looks almost as GB but with lots of glitches on my favorite games and apps, battery drainage, and crashes. I guess I was expecting something more like Vanilla Ice Cream Sandwich. I wish there were no OS fragmentation on stock Android. Something more like iOS. My iPod Touch from two years ago looks exactly the same as my mother's brand new iPhone 4s.
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Click to collapse
I have to agree, battery life seems abysmal compared to KK5 2.3.6 or even LA4 (which to me was worse than KK5)
It's good if you got no sync or data but then that's not the point.
ICS is really pretty and all but if I get half a day out of my phone it doesn't matter.
That's from 4 days worth of experience

There are too many variables to say objectively. Like comparing roms & kernels, whether they be GB or ICS. Any comparison will be purely subjective.

MistahBungle said:
There are too many variables to say objectively. Like comparing roms & kernels, whether they be GB or ICS. Any comparison will be purely subjective.
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I would agree however I have the exact same apps installed as before with the same setup. Only difference is I'm using facelock and I'm playing a little more with the phone because ICS is new but barely. So I'm hoping they get out an update soon that smoothes out the battery life

hi
i think the difference in terms of battery life between gb and ics is custom kernel. kernels like speedmod or phenomenal 4.0 extreme help alot. since ics has no such kernels ((
i installed ics and i'm pleased that is stable. if u want battery life than my advice - STICK WITH GB

Stand by time is almost the same but when you use the phone either playing with it or whatever ICS eats the battery.

How on earth can you measure battery life when the rom is not even a week old and the battery has not had chance to recalibrate itself .
jje

JJEgan said:
How on earth can you measure battery life when the rom is not even a week old and the battery has not had chance to recalibrate itself .
jje
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Changed to a week now has it, next it'll be a month old

JJEgan said:
How on earth can you measure battery life when the rom is not even a week old and the battery has not had chance to recalibrate itself .
jje
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I don't mean to act like a spoilt kid, but when I'm going to work and using my phone as usual and it starts beeping about low battery ~2hours earlier than usual I feel a bit concerned and that's what I'm voicing out here.
If you have any advice concerning the recalibration and how to accelerate it I'd gladly take it over waiting for weeks.
Also when you're talking about recalibration as necessary, you mean that the phone/battery would think it is at x% when it's in fact at (x+y)% at any time t?
I sure hope that's what it is.

Related

[Q] Is the Amaze's battery life inherently bad?

By inherently bad, I mean are there some extra power sucking hardware components that were just poor design choices (processor/screen) and therefore can't be remedied through software fixes?
I understand that the sensation has decent battery life, whereas the amaze does not. Yet the Amaze should have a more recent processor and a larger battery. So I just want to make sure before I buy that if I'm willing to add a custom rom and use juice defender this will make the Amaze no more power hungry than its direct competitors.
Thanks
I'm thinking most of the drain is coming from the extra work caused by Sense. Custom ROMs do help with battery since they are debloated and all but when we have something AOSP, battery life should be much better. I had experience with my old Moto Cliq where Motoblur would just chug battery. It wasn't until we got AOSP or CyanogenMod that the battery life was acceptable. You could also buy an extended battery like Anker. With the ICS leak, I heard some people report better battery due to better management with the dual-core CPU.
To summarize, we can extend battery life greatly. I'm not sure if there are any hardware stuff that causes shorter battery life though.
Sent from my HTC Amaze 4G
It's only bad if your going to play one of the new console quality games out there or anything else that really going to push that dual core 1.5mhz chipset. Imagine powering your laptop with a battery the size of the one in your phone that's what you get. Get a car charger grab a Pocket seized power pack from Amazon for $10th or an extra batt and you'll be fine. Either that or just text make some calls & listen to some music and let all that power chill & you'll make it all day no problem. Push it hard & it's dead in 2hrs. But the things it can do are crazy. This thing has more balls than my laptop. Just my 2 cents.
I don't believe that the Amaze's battery is inherently bad. I was able to get 10 hours off of Beast Rom with moderate usage.
I talk a lot on Skype with my relatives sometimes. It's much cheaper for me because I'm using the T-mobile 5 gigs of 4G at $30. Lots of data but only 100 minutes.
So I'm pretty familiar with the battery life. With the new ICS leak my battery life has improved a lot. Still had a green bar on the battery even after using Skype on 4G for over an hour. I do however keep a charger at home, car and at work.
lamenramen said:
By inherently bad, I mean are there some extra power sucking hardware components that were just poor design choices (processor/screen) and therefore can't be remedied through software fixes?
I understand that the sensation has decent battery life, whereas the amaze does not. Yet the Amaze should have a more recent processor and a larger battery. So I just want to make sure before I buy that if I'm willing to add a custom rom and use juice defender this will make the Amaze no more power hungry than its direct competitors.
Thanks
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Click to collapse
On stock yeah the battery life is HORRIBLE, I am a average user and it use to last me 6-8 hours and sometimes less. After switching to Energy rom my battery improved GREATLY, I had anywhere between 12 to 16 hours.
With the new ICS leak that came, I notice stock had improved significantly over previous GB stock ! I just switched over to Revolution, checking it out to see how it is although I much prefer the Energy rom simply because of the 5x5 layout.
F9zSlavik said:
On stock yeah the battery life is HORRIBLE, I am a average user and it use to last me 6-8 hours and sometimes less. After switching to Energy rom my battery improved GREATLY, I had anywhere between 12 to 16 hours.
With the new ICS leak that came, I notice stock had improved significantly over previous GB stock ! I just switched over to Revolution, checking it out to see how it is although I much prefer the Energy rom simply because of the 5x5 layout.
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Wow, thank you for the reassurance. I was getting 6-8 hours as well. I am highly skeptical that a ROM could make that much of a difference, (going from 12-16) but I am happy to try.
I have noticed on some days prior to the pics leak that I would get 10+ hours and some cays I would get maybe 5 Max. Bone stock btw. Since the update I am killing that thing. I was able to go 6 and that was with the radio off, no sync, nothing. Only thing running was a podcast. Then again for the first time I was able to get 12hrs via radio off. I don't know I am personally not too happy with the radio update. Regardless I am glad I have the leak and I'm glad there is a place like this where I am giving so many options and get to learn more about this phone.
Thank you xda members glad you are here
i get great battery everyday. since day one by far the best phone i've owned in every aspect but the battery life for me is incredible.
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Thread Moved to Q&A.
Sent from my Galaxy Note i717, using XDA Premium.
You don't have to be a farmer to know what sh*t smells like.
Well... here's my results
Stock GB Amaze: After 10 hours (with moderate use) I was at 20%
Unlocked bootloader.. installed NRG's GB ROM (still waiting a bit to upgrade to ICS.. mainly waiting for radio issues to be resolved)
Before I had to plug in for the night, I was at 13hrs54minutes with 30% battery left and MUCH MUCH MORE awake/screen time (total screen ON time was at about 3hrs45minutes) than the test with stock..
So yeah, the ROM you're running makes a GIGANTIC DIFFERENCE.
Does the energy gingerbread and the energy ice cream sandwich rom get the same battery life? Have the ICS Roms been maximized for battery life like the gingerbread Roms have?

[Q] Was anyone expecting a better battery?

The Galaxy S III unit is certainly big enough. When they said they would improve the battery life on their next Galaxy, I was thinking at least 2,300 mAh. A small gripe, but something to be desired.
I can't complain with 7 hours of screen on time..
How long do you need your phone to last? A bigger battery would always be nice but I'm definitely not complaining. I average around 4-5 hours of screen on time from one charge on complete stock with good brightness. Do we really need more?
Sent from my GT-I9300
The battery is very good..it`s a smartphone not a nokia 3310
MrIwik said:
How long do you need your phone to last? A bigger battery would always be nice but I'm definitely not complaining. I average around 4-5 hours of screen on time from one charge on complete stock with good brightness. Do we really need more?
Sent from my GT-I9300
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The question is, do we really need less? There's already small 4.3" display phones that run over 3,000 mAh. With the size of this unit, they simply could have taken to task their claim of wanting to improve battery life a little more sufficiently. The more powerful these devices get, the more demanding their battery life is.
Diaze said:
The battery is very good..it`s a smartphone not a nokia 3310
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lol do i miss the days of nokia..my battery used to last almost 4 days. but alas all good things come to an end..its the era of android now nokia iphone and the rest are just old news
megagodx said:
The question is, do we really need less? There's already small 4.3" display phones that run over 3,000 mAh. With the size of this unit, they simply could have taken to task their claim of wanting to improve battery life a little more sufficiently. The more powerful these devices get, the more demanding their battery life is.
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The DROID RAZR also has a non-removable battery which probably contributes to that.
Removable or not, it's still been done. I'm not saying this phone should go 3,000+ mAh; as that would sacrifice body thinness, but they probably had more to work with that they didn't utilize.
megagodx said:
Removable or not, it's still been done. I'm not saying this phone should go 3,000+ mAh; as that would sacrifice body thinness, but they probably had more to work with that they didn't utilize.
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Possibly, but apparently the general population cares more about thin devices than battery life.
Either way, I'm generally not going to use the phone for 7 hours everyday so it makes no difference to me.
Honestly, I expected less than what I am getting from the battery life, so I am more than happy. You also have to remember, battery life is a big selling point for the next models. I am certain they could have easily tweaked the design/battery and given this phone another 10+ hours standby or something like that, but that limits the sales features for the next model. You want to make your new device good but not so good that the next new model doesn't seem as impressive.
Tachikoma_kun said:
Honestly, I expected less than what I am getting from the battery life, so I am more than happy.
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Same. I've been using mine plenty today since 7 in the morning (can't call it heavy usage, but definitely was not "light") and it still has over 60% (its now the end of the day here). Couldn't be happier with the battery.
Well... obviously I could, but I definitely can't complain.
I wish mine was gd too.. but kworker processes are draining my battery life yet no ideas how do resolve yet...
I get 11 hours at 60% yesterday, so that's excellent on stock Rom with all the bloat, sure cm9 Rom at same hours and same use was still 86% and I always leave bt gps wifi and full brightness always on
Sent from my GT-I9300T using XDA Premium HD app
megagodx said:
Removable or not, it's still been done. I'm not saying this phone should go 3,000+ mAh; as that would sacrifice body thinness, but they probably had more to work with that they didn't utilize.
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Click to collapse
Probably Samsung will bring an extended battery(+modified back cover) just like they did with the sgs2... having said that I have no problems the battery life with the stock battery
Sent from my Transformer TF101 using xda premium
Don't forget The SGS3 battery is 3.8v, whereas the SGS2 battery is 3.7. If you look at the watt hours, SGS3 is just under 8, where as stock 1650mah battery is just over 6. 33% increase in batter size!
I'm rooted and running stock Vodafone rom (OTA update), but I've frozen a lot of the rubbish (and installed siyah kernel!). I'm getting very good battery life with 3-5 hours of screen on. Basically, it's not ever once not "got me through the day", even when I first got the phone and I was abusing it.
Standby times could be slightly better, and there are some other issues that are draining battery (fast dormency is a pain in da ass!!), but considering the SGS3 is fresh out the battery life is amazing!
When I use the internet I'm using about 12% of the battery per hour which is pretty damn good and fairly close to S2 so I've got no complaints, and the last update made a noticeable improvement on battery, but the only real complaint is the battery takes over 2 and a half hours to charge so more than ever I do need a spare battery for those times I get caught short on charge.
I noticed a big improvement in battery life with the stock rom I9300XXALF6 + modem I9300XXLF5. Using only for calls, on average, by 10 hours consumes 10% of the battery.
This battery is big and enough for day to day use but when i want to watch some episodes I'm always carrying a backup charger.
andreheitor said:
I noticed a big improvement in battery life with the stock rom I9300XXALF6 + modem I9300XXLF5. Using only for calls, on average, by 10 hours consumes 10% of the battery.
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Some here - 1 hour/1% with moderate use (a few calls, messages, random goofing). (att, stock rom, int. version, sync off, auto brightness)
Im quite satisfied, battery is like just as i expected

[Q] What is the best ROM + kernel?

I tried Vigor360, and though I hate Sense, it was.. okay...except battery life was worse than on my Thunderbolt. I've tried flashing different kernels but more problems usually arrise out of the blue and I have NO CLUE which kernels are actually good , good as in they actually male an effort to improve the battery life. I'm currently on a CM9 ROM and holy hell! The keyboard lags and battery life is ATROCIOUS ! I haven't even hardly installed any apps!
I tried Newt's One XXX, v5.1.1 but couldn't stand the minor bugs, but I assume battery life on that ROM is way worse than on Vigor360 (since usually, the higher the version of Sense, the worse it is on the battery) when I had a galaxy Nexus, the picture quality was a joke, but I made it well through the day with it! I'm not getting an extended battery. The phone is thick enough -.-
My current usage is about 7 hours,an hour and a half of screen time, battery is at 7%. I can sort of stand sense 3.6 so long as it isn't theme. What ROM/kernel combo do you guys use to get through the day, or did I make a mistake getting this phone? (No offense)
Dr. Hax said:
I tried Vigor360, and though I hate Sense, it was.. okay...except battery life was worse than on my Thunderbolt. I've tried flashing different kernels but more problems usually arrise out of the blue and I have NO CLUE which kernels are actually good , good as in they actually male an effort to improve the battery life. I'm currently on a CM9 ROM and holy hell! The keyboard lags and battery life is ATROCIOUS ! I haven't even hardly installed any apps!
I tried Newt's One XXX, v5.1.1 but couldn't stand the minor bugs, but I assume battery life on that ROM is way worse than on Vigor360 (since usually, the higher the version of Sense, the worse it is on the battery) when I had a galaxy Nexus, the picture quality was a joke, but I made it well through the day with it! I'm not getting an extended battery. The phone is thick enough -.-
My current usage is about 7 hours,an hour and a half of screen time, battery is at 7%. I can sort of stand sense 3.6 so long as it isn't theme. What ROM/kernel combo do you guys use to get through the day, or did I make a mistake getting this phone? (No offense)
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going to need some things from you:
1. are you s-on or off
2. what firmware are you on
3. do you like sense or aosp more
edit: 7 and 1/2 hours screen time. that is awesome for the REZ. the HD screen is what kills the battery the most. if you can get 7 hours then bravo.
He said he is averaging 7hrs of use with 1.5hrs screen time which is pretty bad. Believe it or not, newts one xxx has probably the best battery life for the rez. I can easily get 14hrs with 3hrs screen time with stock battery. Yesterday I got 17 hrs with 5.5hrs screen time on extended battery. That is probably the best Rom atm and sense 4+ is much more appealing to the eye. All I can say is if you don't like sense, you bought the wrong phone. People will forget about this phone before aosp/aokp is perfected, even though they are making great progress. I can never get any kernels to work right either. Leaving stock kernels is usually best. As with any android phone, you have to work for battery life
Sent from my ADR6425LVW using Tapatalk 2
Evocm7 said:
He said he is averaging 7hrs of use with 1.5hrs screen time which is pretty bad. Believe it or not, newts one xxx has probably the best battery life for the rez. I can easily get 14hrs with 3hrs screen time with stock battery. Yesterday I got 17 hrs with 5.5hrs screen time on extended battery. That is probably the best Rom atm and sense 4+ is much more appealing to the eye. All I can say is if you don't like sense, you bought the wrong phone. People will forget about this phone before aosp/aokp is perfected, even though they are making great progress. I can never get any kernels to work right either. Leaving stock kernels is usually best. As with any android phone, you have to work for battery life
Sent from my ADR6425LVW using Tapatalk 2
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Click to collapse
Wow!! The big reason I have this phone is.. well..
Had a Nexus, broke it and sold it for $75, relative let me use an iPhone 4... I lasted a week before caving and bought a Thunderbolt for $90.
I couldn't stand the ancient android OS and the phone was having random data drops, so I got Verizon to replace it with another thunderbolt. The replacement had the same issue + the vibrate motor decided when and when not to work. The guy on the phone was like "well, since you've had several replacements of this phone, we're gonna see about sending g you a different phone to resolve your issues once and for all, but the phone you receive won't come with a battery cover or battery." I told him I had a battery cover and battery for a Rezound and asked if that could be sent to me, he said "sure, we should be able to do that."
This phone killed my 32GB microSD card :'(
I have S-OFF. I prefer AOSP, but they seem get get home horrendous battery life.
Evocm7 said:
He said he is averaging 7hrs of use with 1.5hrs screen time which is pretty bad. Believe it or not, newts one xxx has probably the best battery life for the rez. I can easily get 14hrs with 3hrs screen time with stock battery. Yesterday I got 17 hrs with 5.5hrs screen time on extended battery. That is probably the best Rom atm and sense 4+ is much more appealing to the eye. All I can say is if you don't like sense, you bought the wrong phone. People will forget about this phone before aosp/aokp is perfected, even though they are making great progress. I can never get any kernels to work right either. Leaving stock kernels is usually best. As with any android phone, you have to work for battery life
Sent from my ADR6425LVW using Tapatalk 2
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didnt see that lol. sorry. work sucks today.
---------- Post added at 12:49 PM ---------- Previous post was at 12:48 PM ----------
Dr. Hax said:
I have S-OFF. I prefer AOSP, but they seem get get home horrendous battery life.
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Click to collapse
newt's sense 4 roms are great on battery life. but when i moved to cm9 i now get about 18hours of life with a little under 5 hours screen on. im running rage 1.9.1.
Dr. Hax said:
I tried Vigor360, and though I hate Sense, it was.. okay...except battery life was worse than on my Thunderbolt. I've tried flashing different kernels but more problems usually arrise out of the blue and I have NO CLUE which kernels are actually good , good as in they actually male an effort to improve the battery life. I'm currently on a CM9 ROM and holy hell! The keyboard lags and battery life is ATROCIOUS ! I haven't even hardly installed any apps!
I tried Newt's One XXX, v5.1.1 but couldn't stand the minor bugs, but I assume battery life on that ROM is way worse than on Vigor360 (since usually, the higher the version of Sense, the worse it is on the battery) when I had a galaxy Nexus, the picture quality was a joke, but I made it well through the day with it! I'm not getting an extended battery. The phone is thick enough -.-
My current usage is about 7 hours,an hour and a half of screen time, battery is at 7%. I can sort of stand sense 3.6 so long as it isn't theme. What ROM/kernel combo do you guys use to get through the day, or did I make a mistake getting this phone? (No offense)
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Click to collapse
When asking for help you usually shouldn't trash every kernel/rom made available to us by our hard working devs. Also, your theory on the sense number being higher = higher battery usage is way false. Sense 4 & sense 4.1 were actually designed to decrease battery usage and lag so I would stick with one of those. Also, try underclocking your cpu and changing governors.
Evocm7 said:
He said he is averaging 7hrs of use with 1.5hrs screen time which is pretty bad. Believe it or not, newts one xxx has probably the best battery life for the rez. I can easily get 14hrs with 3hrs screen time with stock battery. Yesterday I got 17 hrs with 5.5hrs screen time on extended battery. That is probably the best Rom atm and sense 4+ is much more appealing to the eye. All I can say is if you don't like sense, you bought the wrong phone. People will forget about this phone before aosp/aokp is perfected, even though they are making great progress. I can never get any kernels to work right either. Leaving stock kernels is usually best. As with any android phone, you have to work for battery life
Sent from my ADR6425LVW using Tapatalk 2
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Click to collapse
People need to stop judging battery life based on screen-on time and hours of use. It varies per person depending on how many accs/apps are syncing. I am tired of all this "better battery" and comparing usage time. If you want more battery, stop syncing on all apps/account. I wish people would stop posting screenshots of their usage. It just means they don't use their phone as much in terms of accs and apps running. Stock rom/kernel best for stability.
richii0207 said:
People need to stop judging battery life based on screen-on time and hours of use. It varies per person depending on how many accs/apps are syncing. I am tired of all this "better battery" and comparing usage time. If you want more battery, stop syncing on all apps/account. I wish people would stop posting screenshots of their usage. It just means they don't use their phone as much in terms of accs and apps running. Stock rom/kernel best for stability.
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It might vary somewhat, but screen-on time and total time are still good yardstick level indicators of battery charge longevity. It's not like when you sync your google account your battery only lasts 1/3 as long - it's maybe a 10% difference, depending on your signal strength, if you're on wifi, etc.
Dr. Hax said:
Wow!! The big reason I have this phone is.. well..
Had a Nexus, broke it and sold it for $75, relative let me use an iPhone 4... I lasted a week before caving and bought a Thunderbolt for $90.
I couldn't stand the ancient android OS and the phone was having random data drops, so I got Verizon to replace it with another thunderbolt. The replacement had the same issue + the vibrate motor decided when and when not to work. The guy on the phone was like "well, since you've had several replacements of this phone, we're gonna see about sending g you a different phone to resolve your issues once and for all, but the phone you receive won't come with a battery cover or battery." I told him I had a battery cover and battery for a Rezound and asked if that could be sent to me, he said "sure, we should be able to do that."
This phone killed my 32GB microSD card :'(
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Click to collapse
Try reformatting the sd card on your computer via a card reader.
Rage ROM 1.9.1 is a good ROM, nice and smooth. I got about 2 and a half hours of screen on time with that ROM and Snuzzos Funky Kernel. Very nice combination.
If you want to be real fancy you can build a CM10 ROM. There's a guide for it in the Dev section. (Well, the guide is to make CM9, but it's easy to modify the commands to make it build CM10 instead). I get about 3 hours and 15 mins of screen on time on average with the stock battery, no kernel modifications or anything fancy. Brightness is at 25%. I ran it with brightness on 100% for a day and got about 2 hrs and 15 mins of screen on time.
Sent from my ADR6425LVW using XDA Premium.
richii0207 said:
People need to stop judging battery life based on screen-on time and hours of use. It varies per person depending on how many accs/apps are syncing. I am tired of all this "better battery" and comparing usage time. If you want more battery, stop syncing on all apps/account. I wish people would stop posting screenshots of their usage. It just means they don't use their phone as much in terms of accs and apps running. Stock rom/kernel best for stability.
Click to expand...
Click to collapse
As much as you dislike this method of determining battery life, it is really the only way to gauge battery life on a forum. You are right that it also depends on apps syncing and such but a Rom that can get 12hrs with 3hrs screen time is more battery friendly than a Rom that can do that same12hrs but with 1.5hrs screen on time with the same setup and usage.
Sent from my ADR6425LVW using Tapatalk 2
How much battery account sync uses is dependent on just how popular you are we have push sync. This isn't Android 1.5 wen're talking about. Push sync uses very little battery.
And sure, I could build a CM10 ROM, but won't it basically be useless cause most things will be broken or barely working?
I've been running it as a daily driver since the 12th. It's surprisingly stable. No random FCs or anything. There are some graphical artifacts while watching streaming video like on YouTube and Project Butter isn't working, but it's still pretty smooth. Bluetooth calling isn't working either, but nor is it on AOSP ICS either. That's pretty much it for problems.
Sent from my ADR6425LVW using XDA Premium.
And just to clarify, I'm not.dissing ROM's or developers, in fact, I'm going to admit, I'm a huge Newtoroot fanboy lol. Maybe its cause I've known of him since the Droid Incredible! But I've been running One XxX Rom for about a day now and battery life is still pretty bad, what are some good Sense kernels for battery life?
Dr. Hax said:
And just to clarify, I'm not.dissing ROM's or developers, in fact, I'm going to admit, I'm a huge Newtoroot fanboy lol. Maybe its cause I've known of him since the Droid Incredible! But I've been running One XxX Rom for about a day now and battery life is still pretty bad, what are some good Sense kernels for battery life?
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Try snuzzo's 1.6rc2 kernel with it . I am on ecliptic Rom, but have run Newts and switched to that kernel on both. It's in his funky kernel thread.
Sent from my ADR6425LVW using Tapatalk 2
I have tried all the sense roms and Nilsp business sense 4.0 gives me the best battery life
mclass55 said:
I have tried all the sense roms and Nilsp business sense 4.0 gives me the best battery life
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Click to collapse
That's good. About average for a sense 4+ Rom
Sent from my ADR6425LVW using Tapatalk 2
SteveG12543 said:
Rage ROM 1.9.1 is a good ROM, nice and smooth. I got about 2 and a half hours of screen on time with that ROM and Snuzzos Funky Kernel. Very nice combination.
If you want to be real fancy you can build a CM10 ROM. There's a guide for it in the Dev section. (Well, the guide is to make CM9, but it's easy to modify the commands to make it build CM10 instead). I get about 3 hours and 15 mins of screen on time on average with the stock battery, no kernel modifications or anything fancy. Brightness is at 25%. I ran it with brightness on 100% for a day and got about 2 hrs and 15 mins of screen on time.
Sent from my ADR6425LVW using XDA Premium.
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how the heck are you guys getting these ridiculous screen on times with the stock battery?? the best ive ever gotten WITH AND EXTENDED BATTERY is like 3hr screen on time and ~13 hours unplugged with countershrikes AOSP and Funky Kernel
and no where near that with my stock battery
agentofchaos said:
how the heck are you guys getting these ridiculous screen on times with the stock battery?? the best ive ever gotten WITH AND EXTENDED BATTERY is like 3hr screen on time and ~13 hours unplugged with countershrikes AOSP and Funky Kernel
and no where near that with my stock battery
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I've been wondering that myself lol. I haven't done anything different; same apps, same sync settings, same display brightness, just the ROM + kernel is different. I'm not even undervolted like I was and I'm doing better than before lol... Must be the ROM/stock CM10 kernel I guess.
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2 Questions.

So I am currently running Carbon Rom on my phone. Whenever I lock my phone and I unlock it, in the notifications, it says that its preparing my storage everytime. But now, it says that my SD card is blank or unsupported but it works perfectly fine my computer. I've had this problem for about 2 months now. I've already tried changing the rom and clearing the cache. Also, I tried to take out my SD and put it back in but not luck. So please help on that. Also, I was just wondering, so as you already know, I'm running the Carbon Rom on my phone. It's a great rom but the battery life sucks. I would like a rom similar to Carbon that is 4.3 or 4.2 that is very smooth and also has great battery life. I tend to use my phone a lot, and I know that battery life on androids suck but some other roms had much better battery life on them, but I didn't really like them much. Thanks for all your help!
Played with Carbon and other roms, none are close to the battery life of Shostock roms (I've run 2,3, currently 4). And SS is about tops for smoothness and stability. Some of these roms are so much worse on battery life that it's pointless to use them if you actually "use" your phone throughout the day, unless you have it plugged in everywhere you go.
Far as the SD card not sure there, did it do it on stock or any other rom?
surf1 said:
Played with Carbon and other roms, none are close to the battery life of Shostock roms (I've run 2,3, currently 4). And SS is about tops for smoothness and stability. Some of these roms are so much worse on battery life that it's pointless to use them if you actually "use" your phone throughout the day, unless you have it plugged in everywhere you go.
Far as the SD card not sure there, did it do it on stock or any other rom?
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So I switched to Shostock 4.0. It's pretty smooth but my battery life isn't so hot. Maybe I just have to give it a day or two. And the problem isn't happening now. But usually, the problems comes after about a week of using a rom. Also, sometimes, there's random reboots.
gainstatom said:
So I switched to Shostock 4.0. It's pretty smooth but my battery life isn't so hot. Maybe I just have to give it a day or two. And the problem isn't happening now. But usually, the problems comes after about a week of using a rom. Also, sometimes, there's random reboots.
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I do know Sho roms are always tops for battery life of the i777 roms. Never had random reboots or anything on any of the Sho versions. There could be something else wrong with the phone, rogue apps, something killing on gps power, battery gone bad. These phones are two years old now, and a lot of people have had the battery itself go bad before that time, I just replaced mine like a month ago. Just randomly started getting worse and worse phone life over the past couple months.
I keep GPS on all the time, and sync etc, only thing I adjust is WiFi set to stay on in sleep mode only when plugged in (Android has always had that battery sapping wifi bug). You should try running stock though for maybe a week or two and see if the issues occur, if they do, it could be hardware issue.
gainstatom said:
So I switched to Shostock 4.0. It's pretty smooth but my battery life isn't so hot. Maybe I just have to give it a day or two. And the problem isn't happening now. But usually, the problems comes after about a week of using a rom. Also, sometimes, there's random reboots.
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Random reboots are usually due to a kernel issue, rather than a ROM issue.
surf1 said:
Some of these roms are so much worse on battery life that it's pointless to use them if you actually "use" your phone throughout the day, unless you have it plugged in everywhere you go.
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Everyone will get different results, period. I get great battery life with Carbon, drop maybe 40-50% over the course of a day. Much of the building I work in, is a black hole when it comes to cell coverage, so I'm happy with my results.
T
Sent from my SGH-I777 using Tapatalk 2
tedkunich said:
Everyone will get different results, period. I get great battery life with Carbon, drop maybe 40-50% over the course of a day. Much of the building I work in, is a black hole when it comes to cell coverage, so I'm happy with my results.
T
Sent from my SGH-I777 using Tapatalk 2
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So your not using your phone since there's no cell coverage? That's the thing I'm on my phone all day for work/personal, ton of calls, emails, text, browsing etc, used a bunch of roms but always come back to Sho on the i777. Have two employees with i777s running Sho too, same results, none of the roms they used had the standby and in use efficiency. Not to say the roms are bad, Carbon is cool, just wish they all had better life.
I will say if you notice a big difference like I did over last few months, time to replace the battery. Sammy shipped crap batteries in these phones, and it's a known issue that majority fail before two years are up. Mine did and my employees did lol
surf1 said:
I do know Sho roms are always tops for battery life of the i777 roms. Never had random reboots or anything on any of the Sho versions. There could be something else wrong with the phone, rogue apps, something killing on gps power, battery gone bad. These phones are two years old now, and a lot of people have had the battery itself go bad before that time, I just replaced mine like a month ago. Just randomly started getting worse and worse phone life over the past couple months.
I keep GPS on all the time, and sync etc, only thing I adjust is WiFi set to stay on in sleep mode only when plugged in (Android has always had that battery sapping wifi bug). You should try running stock though for maybe a week or two and see if the issues occur, if they do, it could be hardware issue.
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Yeah, so, I switched back to jeboo kernel but the battery life sucks! I'm going to wait a day or two and see if the problem goes away. Also, on this rom, I also sometimes when I unlock my phone, it always says preparing SD card. Its annoying.
gainstatom said:
Yeah, so, I switched back to jeboo kernel but the battery life sucks! I'm going to wait a day or two and see if the problem goes away. Also, on this rom, I also sometimes when I unlock my phone, it always says preparing SD card. Its annoying.
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If your having these same issues across different roms like you are, run stock for like a week at least and see what happens. Not sure what you mean by switched to Jeboo as Sho4 comes stock with Jeboo tweaked for it.
Also if battery life is sucking that bad especially on roms known for battery life, 99% sure its time to replace the battery. Samsung shipped crap batteries in this phone that frequently die between 1.5-2 years. I've replaced mine, two employees have, few other i777 friends have etc.
How long have you been owned the phone's battery? The above poster mentioned battery usage which (if you're still rocking a day 1 release S2) the battery is at the 2 year mark. Might be time to get a replacement battery.

[Q] KitKat/4.4.x and battery issues (regardless of the ROM)

I have been trying out various 4.4.x ROMs (CM, Resurrection Remix, SlimROM) and had varying levels of success but the one issue that I have had consistently with all of them on my SGS2 is battery. 4.4.x seems to devour my battery no matter which ROM I am using (and the different ROMS are using different kernels usual). CM11 has far and away been the most stable so I have stayed with that but it too as failed to resolve my battery issue. I have never had much luck with battery life before but half a day is ridiculous. I thought about trying a different kernel but not sure that would help as #1 I would think the CM team would know better than I what would be the optimal kernel and #2 I have been trying different kernels anyway when I have been trying different ROMS as I believe the different ROMS have all had different kernels. Has anyone else had this issue? More importantly has anyone had any luck resolving this?
I suggest you to replace your battery. Beaware from cheap ones!!! I have I9100 too, i also try many methods to increase my battery life but i reach maximum 10 hours. Then i buy new batteries. It is not original galaxy s2 batteries but i think better than the original one.(1800mAh buy from ebay) Now i use RR kit kat rom with stock kernel my mobile data is always on and I go to bed at %35 percent of batteries.
1. If your battery is quite old, replace it.
2. Check whether you are having any wakelocks. Does it go to deep sleep?
3. When you say battery life as half a day, what is your actual usage? Screen on time, Wi-Fi, 3g, calls etc?
4. Betterbatterystats and greenify are your friends.
ottoasd said:
I suggest you to replace your battery. Beaware from cheap ones!!! I have I9100 too, i also try many methods to increase my battery life but i reach maximum 10 hours. Then i buy new batteries. It is not original galaxy s2 batteries but i think better than the original one.(1800mAh buy from ebay) Now i use RR kit kat rom with stock kernel my mobile data is always on and I go to bed at %35 percent of batteries.
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Thanks. My battery is about 2.5 years old, its an Anker battery, 1900mAh that I bought on amazon (I honestly don't know what constitutes "old" for batteries, is 2 1/2 years old?). As for ROMS I was actually running an older version of RR but had serious stability issues (related to sdcard, never was able to resolve it) and battery wasn't great (better than now though) when I upgraded to the newest RR I had some lingering stability issues and battery issues too so just settled on CM11 this time.
banjara said:
1. If your battery is quite old, replace it.
Sorry, but what in your all's opinion makes for an "old" battery? 2, 3 years? or are we talking 4+ is there a way I could test my battery to see if it going bad perhaps?
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2. Check whether you are having any wakelocks. Does it go to deep sleep?
I am not totally clear on wakelocks and deep sleep, I have "Battery Stats" installed (guess its not the same as the betterbatteryapp but seems to give some similar info) but its not clear to me how to read it all. In this case it sayd the stat period is 3 hours 8 minutes and out of that it has been in deep sleep 1h 51m and running time 1h 17m and wifi time 1h 25m and my batter is down to 74%, I am assuming that is not normal? In terms of applications the hogs are defintely the two audio apps poweramp and dogcatcher (they are just at the top of the list, the numbers it gives don't really make sense to me)
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3. When you say battery life as half a day, what is your actual usage? Screen on time, Wi-Fi, 3g, calls etc?
Well I have a 3 hour idea of my usage above, I don't use 3 g, I have wifi on about a third of the day perhaps, and actualy screen time probably just an hour or two, I do use it quite a bit for podcasts and music though. But I had tried it with my audio apps uninstalled for a few days and it still drained fairly quickly.
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4. Betterbatterystats and greenify are your friends.
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Will take a look, I kind of liked the battery stats option to compare to stats that others have uploaded, but I haven't checked out greenify.
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Thanks!
If your battery is 2.5 yrs old, that's almost certainly the cause of your issues. Good advice to stick to original Samsung batteries; though there's nothing wrong with the 2000mAh genuine Samsung battery Vs the 1650mAh one - I used one of these for almost two years.
MistahBungle said:
If your battery is 2.5 yrs old, that's almost certainly the cause of your issues. Good advice to stick to original Samsung batteries; though there's nothing wrong with the 2000mAh genuine Samsung battery Vs the 1650mAh one - I used one of these for almost two years.
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Doh, was hoping I wouldn't have to replace the battery. Actually... that said. Should a 2.5 year old mostly unused 1650mah samsung battery still be good? I think I still have the factory battery around somewhere now that I think about it. When I purchased the Anker battery I seemed to remember it was mainly for price and reputation reasons, not that the Samsung battery had such a bad reputation but the Anker had such a good reputation and a pretty good price.
I will give another battery a try if you say 2.5 years is old, but I do have to admit that the battery drain was not nearly as much of an issue with the older ROM I was using (RR 4.2.x) before, it wasn't stellar but not like this so it seems to me its more than just the batter thats giving me problems here.
Anyway, my phone is still golden other than the battery issues so if i can squeeze another year and a half out of it I'd be a happy camper. Any other thoughts would be welcome (and appreciated!)
Batteries discharge over time if they're stored/not used, ideally you should charge it up to/keep it at around 60-65% every few mths if you're going to store it for that long. If you've not touched it at all in that time, it might not be able to take/hold a charge anymore because that wasn't done.
Only way you're going to find out is if you charge it & use it.
Yeah, if you ended up getting 4 yrs out of a smartphone you'd be rather happy indeed.
If you really want to satisfy yourself as to whether it is indeed the age of the battery you're currently using causing your problems, do a clean install of stock & test that for a week. If it does the same thing with stock, you'll know for definite it is the battery. I'd be very surprised if it isn't though; they're not designed to last much longer than what you've had yours if you're charging/discharging constantly.
MistahBungle said:
Batteries discharge over time if they're stored/not used, ideally you should charge it up to/keep it at around 60-65% every few mths if you're going to store it for that long. If you've not touched it at all in that time, it might not be able to take/hold a charge anymore because that wasn't done.
Only way you're going to find out is if you charge it & use it.
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doh, yeah haven't touched it; and the life lessons continue (didn't know that about batteries). will try it out, if its gone its gone, lesson learned.
Yeah, if you ended up getting 4 yrs out of a smartphone you'd be rather happy indeed.
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Yeah, I suppose I am pretty easy to please, I don't do games and don't really do video and don't feel that my phone is particularly slow (yet) so so far happy enough
If you really want to satisfy yourself as to whether it is indeed the age of the battery you're currently using causing your problems, do a clean install of stock & test that for a week. If it does the same thing with stock, you'll know for definite it is the battery. I'd be very surprised if it isn't though; they're not designed to last much longer than what you've had yours if you're charging/discharging constantly.
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Thats a good idea, given what you've said i don't doubt that a large part of my problem is the battery (like I said before, with the older rom it was better but not stellar) do you know where I can find a stock rom nowadays? (sorry on the ROMS page they all seem to be custom roms, or perhaps i missed something?)
Thanks!
Stock roms @ Samfirmware, get one for your carrier/country (not 4.0.4 though, anything else is fine), if there's only 4.0.4 for your carrier/country, any other stock rom will do really -I just tell people to stick to carrier/country in the first instance as these have modems bundled with them that should have been tested by the carrier to give most people on their network good connectivity most of the time.
Or, Wanam has a thread in one of the development sections (I forget which; do a search or have a rummage around) that has CWM flashable stock roms if you'd prefer to do it that way; haven't had a look at the thread for a while so not sure if links are still live, but Wanam is a very active dev & I'd be surprised if he doesn't still have them hosted somewhere.
Does it drain more at a locationw where you use a certain Wifi?
I'm asking cause wlan-rx drains are know Android phones in big open Wifis as the phones get bombarded with signals from other computers/phones and are not filtered and keeps the phone awake.
Easiest way to find out is using Betterbatterystats.

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