My phone basically runs out of juice at 4%, which is weird because it doesn't run all the way down to 0% before turning itself off and unable to turn it back on. Is anyone else having this issue and knows what's going on? Thank you!
Basically for safety reasons no device will ever get to 0%, that would screw your battery.
Less then 10% the device should auto shut down to prevent this.
Google can tell u more.
Sent from my HTC One X+ using xda premium
somemadcaaant said:
Basically for safety reasons no device will ever get to 0%, that would screw your battery.
Less then 10% the device should auto shut down to prevent this.
Google can tell u more.
Sent from my HTC One X+ using xda premium
Click to expand...
Click to collapse
0% should be the level when the phone shuts down for safety reasons. it's known that it is healthier not to discharge your battery to 0% but it also should not shut down before reaching 0%.
my Battery also drains very quickly when reaching 14% or less, i think it's because battery voltage decreases very fast when the battery is almost empty, so i assume it is related to voltage readings.
i think you have to live with it, also shouldn't be a problem (at least for me) because battery life until it reaches 20% is good enough.
reaper90 said:
0% should be the level when the phone shuts down for safety reasons. it's known that it is healthier not to discharge your battery to 0% but it also should not shut down before reaching 0%.
my Battery also drains very quickly when reaching 14% or less, i think it's because battery voltage decreases very fast when the battery is almost empty, so i assume it is related to voltage readings.
i think you have to live with it, also shouldn't be a problem (at least for me) because battery life until it reaches 20% is good enough.
Click to expand...
Click to collapse
I have the same symptom. It will shut off when it get below 14%. Is it good or not? Will a re-calibration make the battery go further close to 0% before it shuts off? Thank you
I don't know, I never tried
Sent from my HTC One X+ using xda app-developers app
How can we wipe battery stats? Is it available in twrp?
JustinBieber said:
How can we wipe battery stats? Is it available in twrp?
Click to expand...
Click to collapse
Some time ago, a google engineer stated that batterystats file has nothing do with battery life of the phone, this file only contents the statistics of your battery usage.
Maybe google "one x battery calibration" and see what you can find, but i don't know if these things work or even make it worse...
Related
I have the stock 4.5.9 gingerbread update on my AT&T ATRIX. However I am observing a terrible battery life. There are too many solutions in the forum to follow. Can someone direct me to the appropriate one? I am rooted and unlocked. I used the unlocked 4.5.9 sbf for upgrading from from Froyo to gingerbread 2.3.4
Sent from my MB860 using XDA App
there;s a lot of solutions because poor battery life can be cause by many things, you have to find out what is draining your battery. try calibrating first let it drain until your phone turns off and then if you have cwm install then wipe batterystats and then a full uninterrupted charge
Try setting profiles in SetCPU and freezing apps with TitaniumBackup. Theres a topic for each of these two solutions.
battery stats 6h 3m 29s on battery (now left with 10% of battery)
Display 49%
Phone Idle 22%
Cell standby 6%
Android system 5%
Launcherpro 3%
xda 3%
Android OS 3%
this is just terrible .. i never had such battery life with Froyo. i dont understand what might be the problem. Meanwhile i will try to calibrate my battery.
anupash said:
battery stats 6h 3m 29s on battery (now left with 10% of battery)
Display 49%
Phone Idle 22%
Cell standby 6%
Android system 5%
Launcherpro 3%
xda 3%
Android OS 3%
this is just terrible .. i never had such battery life with Froyo. i dont understand what might be the problem. Meanwhile i will try to calibrate my battery.
Click to expand...
Click to collapse
Calibrate your battery.
Then freeze your bloat.
Problem solved.
dont forget you might also being playing with your phone a lot more trying to see all the new stuff in the update. Thus causing more battery drain.
Anthonok said:
dont forget you might also being playing with your phone a lot more trying to see all the new stuff in the update. Thus causing more battery drain.
Click to expand...
Click to collapse
There are some strange things happening with the battery. I let my battery discharge completely to the point where phone shuts down. Then I plugged in to charger, waited for 2-3 minutes so that I can start the phone. Started the phone and saw 50% battery. Don't know what's going on.
I was told by an admin from another site that most of the battery programs do not work with ova ginbread. You go to settings/about/status and observe the battery. I do no I was also getting flaky results with 2 of the battery programs.
anupash said:
There are some strange things happening with the battery. I let my battery discharge completely to the point where phone shuts down. Then I plugged in to charger, waited for 2-3 minutes so that I can start the phone. Started the phone and saw 50% battery. Don't know what's going on.
Click to expand...
Click to collapse
That's a GB bug... there's a battery fix in the development section to flash which deals with the reboot battery jumping. (turn off phone at 50%, turn on phone and it says 70%)
I am having problems with my Atrix too. With my usage, I used to be able to get almost 3 days of battery life. Now it hardly lasts a day. I have checked pretty much all settings (sync, sleep) and all seems fine as far as I'm concerned. So I am having hard time trying to find what is causing this. The only suspect I have right now is wifi. I don't think wifi is sleeping even though I've selected "When screen turns off" in the sleep policy.
Sorry to ask a probably popular question but search on the XDA app is very meh.
Phone idle will always be the top battery killer for the average user. That's just because the phone is isle more than awake most of the time.
You can get an app like setcpu and have a custom profile to underclock your cpu while you're not using your phone though
Sent from my MB860 using XDA Premium App
tight686 said:
Sorry to ask a probably popular question but search on the XDA app is very meh.
Click to expand...
Click to collapse
What do you call murdering?
Is your battery dead in 2 hours, or do you see idle as the top user after 12 hours with 70% left?
Why don't you charge the phone while on. When 100%I turn it off. (Don't unplug power in this whole process ) then pull battery. In a couple seconds you will see a battery with a ? In it. Then place the battery back in. It should say 5%. Let it sit for 3-4 hours. Boot to recovery and while battery status. If no recovery, boot to os and wipe battery status. Then phone idle ( the phone only shows "phone idle" to give you will a total of 100% since before your battery once had about 60% of normal battery life. Now that you have alot Battery, phone idle is a much smaller % than you had before.
Not murdering but in a 2hr space 50+% of my battery is eaten up due to Phone Idle.
I'll try that fully charge trick tomorrow. Thanks.
tight686 said:
Not murdering but in a 2hr space 50+% of my battery is eaten up due to Phone Idle.
I'll try that fully charge trick tomorrow. Thanks.
Click to expand...
Click to collapse
Before I did that I had ..... 4 hour talk time max. Now im 6+hrs. You'll see. Thank me later
Put your battery in the witness protection program. But seriously if in 2 hours ~50% is gone, I don't think its phone idle. Also something to consider is terrible reception eats battery. And 4g even though its not true 4g those higher speeds come at a cost. I think you can guess what the cost is.
I voided my warranty.
pukemon said:
Put your battery in the witness protection program. But seriously if in 2 hours ~50% is gone, I don't think its phone idle. Also something to consider is terrible reception eats battery. And 4g even though its not true 4g those higher speeds come at a cost. I think you can guess what the cost is.
I voided my warranty.
Click to expand...
Click to collapse
Even if I heavy grind on the phone until its dead.. it will not have a whole lot of battery left, nor will idle consume so much of his battery. So he needs to try the basics of battery maintenance first.
Sorry guys I described that horribly.
I mean of OVERALL drain 50% is Phone Idle. Not 50% battery life.
tight686 said:
Sorry guys I described that horribly.
I mean of OVERALL drain 50% is Phone Idle. Not 50% battery life.
Click to expand...
Click to collapse
well now that you describe it like that, use the search and read up on the many threads about phone idle. peeps can't seem to wrap their head around it. and read up on display time too.
Phone Idle should be the remainder of everything else draining your battery, basically the minimum power draw. If you add everything up you should end up with about 100%. I say "about" because android rounds the numbers up/down to whole numbers.
If your phone idle is at 50% you're doing bugger-all with your phone. So long as your actual battery life is normal then there's nothing wrong. If your battery life sucks, then possibly your battery is dead/dying or something like the minimum CPU frequency is set higher than normal causing a constantly higher power drain.
Well as long as he followed the steps. Phone idle will not take such a high % of battery usage on the battery manager. If he talked on the phone for an hour and did pandora for an hour. You would see idle would take a small % vs the talk time and pandora streaming combined/separate.
I have seen lots of threads about people complaining about very poor battery life after flashing roms. Sometimes battery charges to 100% quickly and discharges very quickly.
So, these are the solutions. These solutions are IN ORDER. If the first one has no effect, then try the next one. If the second one doesn't work, then try the third one.
Now-
1) Try reflashing your ROM.
2) If reflashing your current ROM doesn't work, that probably means the ROM itself has poor battery life and you should change it. Stock ROM's have the best battery life.
3) If you are on stock ROM and still having problems, switch off your phone, take off the back cover and remove the battery. If the battery is swollen or the shaped weirdly, this means your battery is dead and almost useless. You need to buy a new one.
I recommend buying only stock batteries manufactured by Samsung because other batteries can be fake, incompatible, or just used batteries sold to you. Don't buy anything else unless you're absolutely sure of what you're doing.
Hopefully I helped.
Re: Solutions to Battery Problems[Newbie Friendly]
General tips for saving your battery-
1) Switch off mobile data whenever you're not using the internet.
2) Change your wifi sleep policy. This can be done by going to wifi settings, pressing menu button and then select advanced.
You can change your sleep policy so that your wifi sleeps when the screen is off.
3) Decrease your brightness! Your screen is responsible for most of the battery drain. Increase your brightness only when you are in bright sunlight or when you're watching videos etc.
4) Switch off GPS. Keeping it on all the time also drains a lot of battery.
5) There is an app called 'Greenify' which hibernates the apps running in the background. This app has increased my battery life. Here a link https://play.google.com/store/apps/...e=google&utm_medium=organic&utm_term=greenify
6) Don't charge your phone when it's at 70%. Wait till it is between 20-30% and then charge it continuously till it reaches 100%.
7) Let your battery completely discharge once every month.
8) Don't use task killers. They use more battery life than they save.
9) NEVER charge your phone overnight. Your phone takes only about 4 hours to charge. Overcharging reduces your battery life
10) If you use a Bluetooth headset, switch off Bluetooth whenever not in use.
11) Using setCPU profiles. This is one of the most effective ways of saving battery. You all know about overclocking, but do you know about underclocking or undervolting? Using profiles, You decrease the clock speed of your CPU when certain conditions are met. These profiles can be on the basis of time, screen off/on, battery etc. So when my screen is off, it automatically reduces the clockspeed which saves battery
chalak said:
General tips for saving your battery-
1) Switch off mobile data whenever you're not using the internet.
2) Change your wifi sleep policy. This can be done by going to wifi settings, pressing menu button and then select advanced.
You can change your sleep policy so that your wifi sleeps when the screen is off.
3) Decrease your brightness! Your screen is responsible for most of the battery drain. Increase your brightness only when you are in bright sunlight or when you're watching videos etc.
4) Switch off GPS. Keeping it on all the time also drains a lot of battery.
5) There is an app called 'Greenify' which hibernates the apps running in the background. This app has increased my battery life. Here a link https://play.google.com/store/apps/...e=google&utm_medium=organic&utm_term=greenify
6) Don't charge your phone when it's at 40%. Wait till is below 10% and then charge it continuously till it reaches 100%.
7) Let your battery completely discharge once every month.
8) Don't use task killers. They use more battery life than they save.
9) NEVER charge your phone overnight. Your phone takes only about 4 hours to charge. Overcharging reduces your battery life
10) If you use a Bluetooth headset, switch off Bluetooth whenever not in use.
Using these tips, I have gotten almost 2 days of battery life on stock Roms and a whole day of battery life on custom roms like CM10.1 and CM7
If you have your own battery saving tips, please share and help expand this list.
Click to expand...
Click to collapse
I'm interested in the greenify app, the only problem is that it does not support stock gingerbread which can give the most juice. Do you have any other recommendations of similar apps?
stevenkyk said:
I'm interested in the greenify app, the only problem is that it does not support stock gingerbread which can give the most juice. Do you have any other recommendations of similar apps?
Click to expand...
Click to collapse
Greenify is a unique app and I am yet to come across a similar app.
You can try this one but it is paid - https://play.google.com/store/apps/details?id=com.elsdoerfer.android.autostarts
Sent from my pet - Megatron™
6) Don't charge your phone when it's at 40%. Wait till is below 10% and then charge it continuously till it reaches 100%.
9) NEVER charge your phone overnight. Your phone takes only about 4 hours to charge. Overcharging reduces your battery life
Are you sure about these? Because I've read that phones only take how much ever charge that they need, so charging overnight isn't a problem. And i've also heard that letting the battery charge fall below 40% actually reduces the life over time.
Ajayr64 said:
6) Don't charge your phone when it's at 40%. Wait till is below 10% and then charge it continuously till it reaches 100%.
9) NEVER charge your phone overnight. Your phone takes only about 4 hours to charge. Overcharging reduces your battery life
Are you sure about these? Because I've read that phones only take how much ever charge that they need, so charging overnight isn't a problem. And i've also heard that letting the battery charge fall below 40% actually reduces the life over time.
Click to expand...
Click to collapse
Yes, I am sure and it is something I have verified.
Overcharging kills the battery.
I saw a video once of an evo 3d. The battery almost completely died after it was charged for 3 days
And you should always charge only when your battery is low.
This will ensure longer battery life
chalak said:
Overcharging kills the battery.
Click to expand...
Click to collapse
Normally, when the battery is fully charged, the chip that controls the charging process reduce the current exponentially to 0: this avoid the overcharging.
I think all smartphones have the charging chip control integrated (an USB cable is simply a power source, not a battery charger), so I hope we can leave the phones on charge all the night without any problem. I do that always and never had problems.
Clearing battery stats has no effect whatsoever on battery life ...
Prawesome said:
Clearing battery stats has no effect whatsoever on battery life ...
Click to expand...
Click to collapse
Well, if you see again, I never mentioned that clearing battery stats saves battery. It is for those people whose phone charges very quickly with big increments, which typically happens after changing ROM's.
Sent from my pet - Megatron™
smanq said:
Normally, when the battery is fully charged, the chip that controls the charging process reduce the current exponentially to 0: this avoid the overcharging.
I think all smartphones have the charging chip control integrated (an USB cable is simply a power source, not a battery charger), so I hope we can leave the phones on charge all the night without any problem. I do that always and never had problems.
Click to expand...
Click to collapse
It seems both of us have read conflicting and contradicting things.
Sent from my pet - Megatron™
chalak said:
Well, if you see again, I never mentioned that clearing battery stats saves battery. It is for those people whose phone charges very quickly with big increments, which typically happens after changing ROM's.
Sent from my pet - Megatron™
Click to expand...
Click to collapse
Quoting Dianne Hacborn(Android Framework Engineer):
"Today's myth debunking:
"The battery indicator in the status/notification bar is a reflection of the batterystats.bin file in the data/system/directory."
No, it does not.
This file is used to maintain, across reboots, low-level data about the kinds of operations the device and your apps are doing between battery changes. That is, it is solely used to compute the blame for battery usage shown in the "Battery Use" UI in settings.
That is, it has deeply significant things like "app X held a wake lock for 2 minutes" and "the screen was on at 60% brightness for 10 minutes."
It has no impact on the current battery level shown to you.
It has no impact on your battery life.
Deleting it is not going to do anything to make your more device more fantastic and wonderful... well, unless you have some deep hatred for seeing anything shown in the battery usage UI. And anyway, it is reset every time you unplug from power with a relatively full charge (thus why the battery usage UI data resets at that point), so this would be a much easier way to make it go away."
Its just a myth mate..
And also, it's a myth that you should let ur phone charge reach 10% or get fully discharged before charging. This actually leads to decrease in the battery life over time.
Prawesome said:
Quoting Dianne Hacborn(Android Framework Engineer):
"Today's myth debunking:
"The battery indicator in the status/notification bar is a reflection of the batterystats.bin file in the data/system/directory."
No, it does not.
This file is used to maintain, across reboots, low-level data about the kinds of operations the device and your apps are doing between battery changes. That is, it is solely used to compute the blame for battery usage shown in the "Battery Use" UI in settings.
That is, it has deeply significant things like "app X held a wake lock for 2 minutes" and "the screen was on at 60% brightness for 10 minutes."
It has no impact on the current battery level shown to you.
It has no impact on your battery life.
Deleting it is not going to do anything to make your more device more fantastic and wonderful... well, unless you have some deep hatred for seeing anything shown in the battery usage UI. And anyway, it is reset every time you unplug from power with a relatively full charge (thus why the battery usage UI data resets at that point), so this would be a much easier way to make it go away."
Its just a myth mate..
Click to expand...
Click to collapse
I am aware of what you are saying and I fully agree.
But I have never mentioned that clearing battery stats increases battery life!
Tips to increase battery life are in the 2nd post. I simply said that if you clear your battery stats, UI will show you battery which is more accurate to the actual battery level.
Why are you arguing over something I never said?
Sent from my pet - Megatron™
Ajayr64 said:
And also, it's a myth that you should let ur phone charge reach 10% or get fully discharged before charging. This actually leads to decrease in the battery life over time.
Click to expand...
Click to collapse
Think of your battery as a person working out and charging is like taking rest. If the person's ability is to do 100 reps yet he takes rest after only 60 reps and keeps doing that continuously, he won't be able to do 100 reps after a few weeks!
Look at the logic mate.
Sent from my pet - Megatron™
chalak said:
I am aware of what you are saying and I fully agree.
But I have never mentioned that clearing battery stats increases battery life!
Tips to increase battery life are in the 2nd post. I simply said that if you clear your battery stats, UI will show you battery which is more accurate to the actual battery level.
Why are you arguing over something I never said?
Sent from my pet - Megatron™
Click to expand...
Click to collapse
I am not arguing :/
I am just trying to help make your guide more Informative. Read what I have put in bold letters mate. It doesn't affect the battery level shown to you
Prawesome said:
I am not arguing :/
I am just trying to help make your guide more Informative. Read what I have put in bold letters mate. It doesn't affect the battery level shown to you
Click to expand...
Click to collapse
Sorry if I sounded rude.
And thank you for your advice.
Sent from my pet - Megatron™
Updated
Sent from my pet - Megatron™
(I was Chalak)
Thanks for tips
You misunderstood me :'D
Clearing battery stats does not:
Affect battery life
Affect the battery level displayed to you
The only thing it does is, it wipes the history of battery consumption by each app. I am talking about the battery consumption by each app shown to you in Settings>About phone. If you clear the battery stats.bin file, the only thing that geta erased is this
Prawesome said:
You misunderstood me :'D
Clearing battery stats does not:
Affect battery life
Affect the battery level displayed to you
The only thing it does is, it wipes the history of battery consumption by each app. I am talking about the battery consumption by each app shown to you in Settings>About phone. If you clear the battery stats.bin file, the only thing that geta erased is this
Click to expand...
Click to collapse
This! Anything about wiping battery stats is not a myth anymore, so please stop misleading people,
Also "6) Don't charge your phone when it's at 40%. Wait till is below 10% and then charge it continuously till it reaches 100%."
Not true! Charging your battery around 50% is the most efficient way to keep lithium battery alive longer. A discharge once a month is also recommended.
Hey everyone
I am having a problem with my battery drain.A few days back my battery was fine i am using lg LTE 2 phone with a 2150 mAh battery. Overnight the max drain was 3-5 % max but now its like 60-70% overnight and when i wake a up the mobile is hot like its constantly been using. Before i go to bed i clear the ram stop all applications then go to sleep but still drains i even restarted the phone a couple of times still the same
Help please! :crying:
usama11 said:
Hey everyone
I am having a problem with my battery drain.A few days back my battery was fine i am using lg LTE 2 phone with a 2150 mAh battery. Overnight the max drain was 3-5 % max but now its like 60-70% overnight and when i wake a up the mobile is hot like its constantly been using. Before i go to bed i clear the ram stop all applications then go to sleep but still drains i even restarted the phone a couple of times still the same
Help please! :crying:
Click to expand...
Click to collapse
As you are saying that your mobile seems "hot"
First you need to confirm that its charger/device issue or only with battery.
First do battery calibration with this method: (In this method you need custom recovery for your device
This may help you
http://forum.xda-developers.com/showthread.php?t=1616598
Dont forget to thank him there on his thread.
IMPORTANT: You can skip this step>> "Wait 20 min after you are sure it is 100% (phone should stay plugged in)" - As i dont know much about LG devices and their batteries
Now some advice from me-
If you can cover it >>> Never charge battery again and again before 15 or 20%
Always charge your battery to 100% at once and use your device till 15% or less than 15% and then again charge it full and so on...
This will make your battery backup good as well for battery life
usama11 said:
Hey everyone
I am having a problem with my battery drain.A few days back my battery was fine i am using lg LTE 2 phone with a 2150 mAh battery. Overnight the max drain was 3-5 % max but now its like 60-70% overnight and when i wake a up the mobile is hot like its constantly been using. Before i go to bed i clear the ram stop all applications then go to sleep but still drains i even restarted the phone a couple of times still the same
Help please! :crying:
Click to expand...
Click to collapse
If you are on a custom ROM, try wiping cache and dalvik and battery stats...could help.
(<---Remember to Thank me if this helps! :good
The Dork Knight Rises said:
If you are on a custom ROM, try wiping cache and dalvik and battery stats...could help.
(<---Remember to Thank me if this helps! :good
Click to expand...
Click to collapse
Yes i am using a custom ROM i will do these steps and post the results Thanks
Mohitash said:
As you are saying that your mobile seems "hot"
First you need to confirm that its charger/device issue or only with battery.
First do battery calibration with this method: (In this method you need custom recovery for your device
This may help you
http://forum.xda-developers.com/showthread.php?t=1616598
Dont forget to thank him there on his thread.
IMPORTANT: You can skip this step>> "Wait 20 min after you are sure it is 100% (phone should stay plugged in)" - As i dont know much about LG devices and their batteries
Now some advice from me-
If you can cover it >>> Never charge battery again and again before 15 or 20%
Always charge your battery to 100% at once and use your device till 15% or less than 15% and then again charge it full and so on...
This will make your battery backup good as well for battery life
Click to expand...
Click to collapse
Yes my mobile seems hot and i always try to charge it upto 100%. One more thing does it damage they battery in anyway if you leave the charger on after the battery is full?
usama11 said:
Yes my mobile seems hot and i always try to charge it upto 100%. One more thing does it damage they battery in anyway if you leave the charger on after the battery is full?
Click to expand...
Click to collapse
According to the Battery Doctor app, you shouldn't leave your phone on charge for more than 9-10 hours(MAX), otherwise it WILL harm your battery.
You should try hibernating some of those apps with Greenify.
Sent from my One X using xda app-developers app
BetterBatteryStats
Use better battery stat (check play store) or similar app to track draining application.
In this way you can find a culprit
usama11 said:
Yes my mobile seems hot and i always try to charge it upto 100%. One more thing does it damage they battery in anyway if you leave the charger on after the battery is full?
Click to expand...
Click to collapse
Yes, over charge can reduce battery life.
of course in most cases I will not do this trick but for battery recalibration since my phone battery indicator is totally a joke
I wanna give it a shot just once but I am worried because somebody says it will harm the battery life or even worse, let it dead(neither turned on nor charged). and many people also swear by completely discharging the battery all the way down and recharge it to 100% from time to time to reset the battery stat and have it work as it used to
so these two claims are contradictory each other so one of them is wrong.
please point out the right way for me. thanks
it likely won't kill the battery if it happens once (or occasionally), but i don't think it is recommended to do this regularly.
battery indicators are never perfect.
First of all, completely draining your battery could damage your phone and would reduce your battery lifespan. I recommend you to stop using the phone when the battery drops to 5-15%.
And battery calibration is 100% myth. Battery calibration just removes batterystats.bin and re-generate a new one. Android does the same once our device is fully charged.
Sent from my ASUS_Z00A using XDA Labs
krasCGQ said:
First of all, completely draining your battery could damage your phone and would reduce your battery lifespan. I recommend you to stop using the phone when the battery drops to 5-15%.
And battery calibration is 100% myth. Battery calibration just removes batterystats.bin and re-generate a new one. Android does the same once our device is fully charged.
Click to expand...
Click to collapse
well you're true but not all about the battery calibration,there another method which work and not a myth.the method is by charging upto the devices's limit voltage it can hold,you may have seen about "please charge your device 10 minutes more" its actually calibrating the phone's battery.but dont too overcharge it,it may get damaged,so be careful.
Thunderoar said:
the method is by charging upto the devices's limit voltage it can hold,you may have seen about "please charge your device 10 minutes more" its actually calibrating the phone's battery.but dont too overcharge it,it may get damaged,so be careful.
Click to expand...
Click to collapse
You mean trickle charging? It's for stabilize battery's voltage.
Sent from my ASUS_Z00A using XDA Labs