Battery drains faster than ever & takes like forever to charge up - Galaxy S II Q&A, Help & Troubleshooting

Hi All,
i am using a non rooted SGS2 in india. its running on the latest android firmware 2.3.6 (waiting for ICS.. )
the problem i am facing is that from past few days i see my battery drains very very quickly.. even if there is nothing running in background. i am using juice defender ultimate.. i guess its not helping either..
also it takes like forever to charge up.. i mean i plug my phone for charging at 17% after 2 hours it just reached to 21%..
at times while charging it through the USB.. it seems to be discharging.. it was at 37% after some time its reduced to 29%..
Also my phone heats up a lot for unnecessary reasons..
has any one faced this issue? please help...

grishm said:
Hi All,
i am using a non rooted SGS2 in india. its running on the latest android firmware 2.3.6 (waiting for ICS.. )
the problem i am facing is that from past few days i see my battery drains very very quickly.. even if there is nothing running in background. i am using juice defender ultimate.. i guess its not helping either..
also it takes like forever to charge up.. i mean i plug my phone for charging at 17% after 2 hours it just reached to 21%..
at times while charging it through the USB.. it seems to be discharging.. it was at 37% after some time its reduced to 29%..
Also my phone heats up a lot for unnecessary reasons..
has any one faced this issue? please help...
Click to expand...
Click to collapse
first of all what programs run in background of your device?
second, what battery you use ? (1650 mAh 2000 mAh)
have you looked at your battery if the battery is working 100% or if the battery is damaged?
what rom is running on your device, which kernel do you use?

Could happen from rom. Here in germany the official 2.3.6 update was cancelled because of problems containing battery drain und reboots. Perhaps same stock rom problems in development.
Sent from my GT-I9100 using xda premium

grishm said:
Hi All,
i am using a non rooted SGS2 in india. its running on the latest android firmware 2.3.6 (waiting for ICS.. )
the problem i am facing is that from past few days i see my battery drains very very quickly.. even if there is nothing running in background. i am using juice defender ultimate.. i guess its not helping either..
also it takes like forever to charge up.. i mean i plug my phone for charging at 17% after 2 hours it just reached to 21%..
at times while charging it through the USB.. it seems to be discharging.. it was at 37% after some time its reduced to 29%..
Also my phone heats up a lot for unnecessary reasons..
has any one faced this issue? please help...
Click to expand...
Click to collapse
i think your battery is gone. Maybe try charging it with the phone off or something. and if it it goes to 100% u can try download the battery calibration app on market to calibrate it properly. I would try everything i can before sending it back to samsung.

sounds like hardware problem mate, the phone should warm up when plugged but it shouldn't be above 35°C or so, and the slow charge problem could be related
if you can get another battery to test it out, or just buy a new one
good luck

You could try to reset your battery stats before going out buying a new battery.

thanks guys for your suggestions..
i uninstalled some of the crappy apps that i never used.. & voila my phone is back to normal .. less heat up.. battery lasts for 1 day.. hope it stays that way..
waiting for ICS..
@jeroensk - how can reset my battery stats..?

Clear battery stats boot to cwm recovery >> advanced wipe battery stats
But you will need a cwm and rooted phone ..
As battery stats do not need wiping dont worry about it battery automatically calibrates itself .
Some muppets think wiping battery stats actual does something . |It does not play any part in charging the battery or battery life on SGS2 .
jje

Related

[Q] Instant Battery Drain

Is anyone else having issues with this phone loosing around 20% to 30 % after a restart. It doesn't happen everytime but sometimes when the phone is turned off and on the battery drops from, for example , 50% to 30%. I had this issue with official roms and unofficial roms.
Hi mali019, this happen to me as well, i'm not sure this is cause by the battery itself or the phone itself. My phone will auto restart when the battery usage is @ 4x percent. After itself restarting. The battery will drop to 33 percent every time. I'm swapping a battery with a fren of mine and started testing today. I'm using KG6 roms.
never had that problem...
Do you guys quit apps or just press the home button? Use the in-built task manager, it's good.
I don't use taskmanagers. Only use the one that comes with the phone. This problem happend on every rom i tried. From 2.3.3 to 2.3.4 . I'm gonna buy the new 2000mah and see if it happens again.
Just now i pulled out the battery without turning the phone off and battery percentage dropped from 41% to 22% . Currently I'm using KG6
mali019 said:
I don't use taskmanagers. Only use the one that comes with the phone. This problem happend on every rom i tried. From 2.3.3 to 2.3.4 . I'm gonna buy the new 2000mah and see if it happens again.
Just now i pulled out the battery without turning the phone off and battery percentage dropped from 41% to 22% . Currently I'm using KG6
Click to expand...
Click to collapse
Isn't that what I've said?
Anyway, you can try installing Watchdog from Market to see if you have apps misbehaving and what is using you cpu.
dandroid13 said:
Isn't that what I've said?
Anyway, you can try installing Watchdog from Market to see if you have apps misbehaving and what is using you cpu.
Click to expand...
Click to collapse
The problem is not an app using the battery. The problem is the phone loosing 20-30 % percent battery after a restart. The phone is not displaying the correct battery percentage.
I even had the battery percentage increasing after a restart without being pluged in to a power point. For example I'll restart the phone for any reason with a battery percentage off 50%. After the restart the battery percentage will show 23%. Sometimes the percentage will increase like its on charge. It will go up to 30%.
Never had this problem better get checked the battery in Samsung service center
Said that because it happened to me that if the phone gets hot, percentage drops. Later, it returns to a higher percentage.
I was experiencing the auto restart and instant battery drain issue while using ninphetamine 2.1.x
After changing to other kernel. No more auto restart nor instant battery drain issue.
You might need to a battery calibration.
I got a new battery ( Perks of working at a phone shop ) hopefully it will fix the issue
I also notice that it takes quit some% after each restart but not 20%. Actually the battery was good when I first got this phone. But after 175 apps installed, battery isn't good anymore.
Sent from my GT-I9100 using XDA App
Please use the Q&A Forum for questions Thanks
Moving to Q&A
Today I left my phone in my room and after an hour I wanted to check my emails before going to bed the screen did not turn on so even after a long press on the power button, so I removed the battery (it was ice cold) after replugging it booted and voila there was a huge drop 50 percent perhaps? So I said to myself, I think I left a resource intensive app running and forgot about it and went to bed without plugging the charger, 3 hours later I wake up thinking it would give me a critical or charge your phone dialog, but instead I have a battery that charges itself ...
Now in reality that would be cool but i think there is a problem. Using the ninphetamine 2.0.4 kernel for a few days for bln but it was disabled, stock rom.
I have attached two screenshots one taken right after and the other one 3 hours or so after.
I don't think that I would need a recalibration after a few charges the phone is not a week old.
Hi, I have this exact problem with cognition+ Siyah kernel, how can I fix it??
So I changed the kernel and everything seems ok now, my problem was with Siyah Kernel.
Sent from my GT-I9100 using Tapatalk
yeah had this problem with Siyah Kernel too but shouldn't bother me anymore i'm back to CM7
Stock Galaxy S2 instant discharge
ScorpioGeek said:
Today I left my phone in my room and after an hour I wanted to check my emails before going to bed the screen did not turn on so even after a long press on the power button, so I removed the battery (it was ice cold) after replugging it booted and voila there was a huge drop 50 percent perhaps? So I said to myself, I think I left a resource intensive app running and forgot about it and went to bed without plugging the charger, 3 hours later I wake up thinking it would give me a critical or charge your phone dialog, but instead I have a battery that charges itself ...
Now in reality that would be cool but i think there is a problem. Using the ninphetamine 2.0.4 kernel for a few days for bln but it was disabled, stock rom.
I have attached two screenshots one taken right after and the other one 3 hours or so after.
I don't think that I would need a recalibration after a few charges the phone is not a week old.
Click to expand...
Click to collapse
I experienced same problem - I was browsing, then phone restarts itself and the battery is instantly on 18% (from 50%).
And then started to recharge itself.
Stock 2.3.4 ROM (version XWKH4), running the same configuration for nearly two months now, with only few restarts (once in 20 days), no new app installed recently.
Maybe some glitch in internal electronic?
Same problem, just a bit more drastic. My phone seems to freeze, in which I have to manually restart it. And then I see the battery falls sharply. This is on stock Firmware (unrooted) too.

Wtf ?

Hi guys, My phones working semi ok now .. Just one question
When ever I leave my phone to charge it just chooses when it wants to charge!
It just drains sometimes when on USB or while using the wall charger ...
I know it can't be a USB problem because I can flash Kernels and Stock firmware with ease and no error .. and also I rooted without any hassles .. Any Ideas ? :\
What rom are you using? I had that issue with Wolfs rom. It would be plugged and charging, would reach 100% and stop charging and decrease till around 95% and then charge again to 100%. Its not a big deal really unless it really goes down by a lot. I kept happening but never caused any problems.
I switched to MIUI based rom and now it doesnt happen and battery is much better tbh.
- Captain Scrat
I went from
Stock 2.1 > Wolfbreak > MIUI A1EX > CM7 ..
no like last night It was 100 when I put it on charge by USB .. I put it on my table and just let it charge while I slept and it went to 0 when I woke up.. Even right now I tried with a different charger (Blackberry and Samsung Galaxy Spica Chargers) and they both decreased :\
Ok that's weird... I guess its not a faulty USB... Try to do a battery calibration see if it helps: http://forum.xda-developers.com/showthread.php?t=943626&highlight=calibration
Optimize it if you want (optional): http://forum.xda-developers.com/showthread.php?t=1071885&highlight=battery+calibration
If not maybe its just a battery that is dying?
But try to calibrate it first, see how it goes.
I had times when it was all charged, unplugged usb and just under 2 hours it dropped from like 90% to 30%... did calibrations and stuff and it fixed the problem.
- Captain Scrat
I did the wipe battery stats thingy on CWM 5 when I had it on 100% when I went to Cyanogenmod ...
now I'm trying oodie's MIUI ..
This is also my second battery, but not from Sony
Dunno man, try to use you battery (normal use) to 0% and let the phone shut down by it self, do that a couple of times so the battery stats are reset for sure.
I am on Crowds MIUI rom and my battery last for like 13H+ with a very good daily use. And i dont have any random discharges problems. Try it out if you want.
- Captain Scrat
EDIT: btw when you install a new rom its normal that the batt discharges fast, it needs to get "acquainted" with the rom because diff roms have diff tweaks and optimizations.
scrat55 said:
What rom are you using? I had that issue with Wolfs rom. It would be plugged and charging, would reach 100% and stop charging and decrease till around 95% and then charge again to 100%. Its not a big deal really unless it really goes down by a lot. I kept happening but never caused any problems.
I switched to MIUI based rom and now it doesnt happen and battery is much better tbh.
- Captain Scrat
Click to expand...
Click to collapse
That is not a problem, it is a feature included on purpose to help extend the battery life. If it is not doing that on MIUI roms then your battery wont last a slong...its a stock feature from SE themselves...
gregbradley said:
That is not a problem, it is a feature included on purpose to help extend the battery life. If it is not doing that on MIUI roms then your battery wont last a slong...its a stock feature from SE themselves...
Click to expand...
Click to collapse
Oh cool! I didn't know that. Thx for info mate!
- Captain Scrat
I'm charging it right now , I will reply with my outcome when it reaches 100 and I use that BAttery calibration app ..
It's not even charging ..

Battery indicator inconsistancy

Hi
Its been 2months i bought galaxy s2 and 1 thing i dint like is the battery life. Im getting only 5hours of battery life with internet on. Ive installed the battery life saver apk Juice Defender and still the battery life is very less. Please suggest me something.
Also i read a post in the same website saying that the android 2.3.3 has this OS problem. The form told me to shutdown the phone and remove the battery for 5mins Nd use again. But when i shutdown the phone the battery was 45% and when i switched on again,the battery indicator was 15%. Then after sometime, it increased to 27% without charging and then reduced normally. Please help me with this, what might be the reason for battery life being inconsistant and what can be the solution
rogersharath said:
Hi
Its been 2months i bought galaxy s2 and 1 thing i dint like is the battery life. Im getting only 5hours of battery life with internet on. Ive installed the battery life saver apk Juice Defender and still the battery life is very less. Please suggest me something.
Also i read a post in the same website saying that the android 2.3.3 has this OS problem. The form told me to shutdown the phone and remove the battery for 5mins Nd use again. But when i shutdown the phone the battery was 45% and when i switched on again,the battery indicator was 15%. Then after sometime, it increased to 27% without charging and then reduced normally. Please help me with this, what might be the reason for battery life being inconsistant and what can be the solution
Click to expand...
Click to collapse
you might have an application that keeps your phone awake. what i mean is by having your screen off there are applications in the background still running. So my best advice is Juice Defender does not do anything and infact it drains more battery than saving it.
Suarez7 said:
you might have an application that keeps your phone awake. what i mean is by having your screen off there are applications in the background still running. So my best advice is Juice Defender does not do anything and infact it drains more battery than saving it.
Click to expand...
Click to collapse
probably yes... Bcos when in idle, sometimes the display suddenly turns on and again after sometime. Is it possible that the phone is infected with virus?
rogersharath said:
probably yes... Bcos when in idle, sometimes the display suddenly turns on and again after sometime. Is it possible that the phone is infected with virus?
Click to expand...
Click to collapse
No you not have a virus but probably you either need to update your firmware or change kernels if you are rooted...
how to find that out and update. pls help
rogersharath said:
Hi
Its been 2months i bought galaxy s2 and 1 thing i dint like is the battery life. Im getting only 5hours of battery life with internet on. Ive installed the battery life saver apk Juice Defender and still the battery life is very less. Please suggest me something.
Also i read a post in the same website saying that the android 2.3.3 has this OS problem. The form told me to shutdown the phone and remove the battery for 5mins Nd use again. But when i shutdown the phone the battery was 45% and when i switched on again,the battery indicator was 15%. Then after sometime, it increased to 27% without charging and then reduced normally. Please help me with this, what might be the reason for battery life being inconsistant and what can be the solution
Click to expand...
Click to collapse
I believe you have rooted your phone, if not follow chainfire thread ( http://forum.xda-developers.com/showthread.php?t=1103399) for rooting the phone.After rooting goto CWM recovery > Advanced > Wipe Battery Stats. This should give you a clean slate on the issue of battery inconsistency.
As for battery drain, remove all battery saving apps like JD, they infact consume more battery. Install Betterbatterystas apps from market ( paid app) or the free version available on XDA, and check for the partial wakelocks / kernal wakelocks to get to know what apps are killing your battery.
Link to the Betterbatterystats thread : http://forum.xda-developers.com/showthread.php?t=1179809
hope this helps!
rogersharath said:
probably yes... Bcos when in idle, sometimes the display suddenly turns on and again after sometime. Is it possible that the phone is infected with virus?
Click to expand...
Click to collapse
Which Rom you are using at this moment...
Yes Smasung Stock Roms do have this problem as reported by Some users.
If you want give it a go ... Try Battery Mods for S2 ... They do help In this Inconsistency.
Depending on your Current Version You can find Battery Mod which will help you.
E.g for XWKL1 Check out this thread forum.xda-developers.com/showthread.php?t=1188132

S3 major battery drain, even if phone is off

Hi all,
I've got an unbranded non JB stock rom SG3 for what I think is broken. When I perform a full charge cycle (100%) in an online state the battery drain is horrible, phone gets hot and battery charger is reduced by 1% every 2 minutes or so.
But, when I shutdown the phone, 100% charged and completely offline/off, it also discharges so the next day my battery has 0% juice in it.
As I said, it's a stock rom with only juice defender installed. No apps that could drain the battery of the phone.
I must say that it feels like it became after the last update Samsung pushed to the phone.
Any suggestions before I take the thing to the KPN business center? I've got the feeling my battery is fubar but why does it got worse after the update.
Regards,
Korny
Sent from my GT-N7100 using xda premium
Probable battery drain = Juice Defender see multiple posts .
Drain when off usual is battery not holding charge .
jje
JJEgan said:
Probable battery drain = Juice Defender see multiple posts .
Drain when off usual is battery not holding charge .
jje
Click to expand...
Click to collapse
I installed Juice Defender while the drain already occurs. But, the second thing you write should indicate that the battery is broken, isn't it. I will drive to the KPN business center for a replacement.
Tnx for your comment, really appreciated.
Sent from my GT-N7100 using xda premium

[Q] Battery Issue on Lollipop Roms

Hii everyone
I've got some really weird Battery Issues on different Lollipop Roms (CM12, ResurrectionRemix 5.3.5-5.3.7, Beanstalk and SlimLP).
The problem is, as soon as i restart the phone the battery percentage drops from 50% to 13% for no reason.
If i charge the phone later suddendly the loose percentage are back, but the phone consumption more "battery" so it's sooner at 0% as normal.
Does anybody else faceing this problem? Or whats the solution?
(Tried several times to calibrate the battery, and it's a new one ca. 6 months old)
Regards Kun1
KUN1 said:
Hii everyone
I've got some really weird Battery Issues on different Lollipop Roms (CM12, ResurrectionRemix 5.3.5-5.3.7, Beanstalk and SlimLP).
The problem is, as soon as i restart the phone the battery percentage drops from 50% to 13% for no reason.
If i charge the phone later suddendly the loose percentage are back, but the phone consumption more "battery" so it's sooner at 0% as normal.
Does anybody else faceing this problem? Or whats the solution?
(Tried several times to calibrate the battery, and it's a new one ca. 6 months old)
Regards Kun1
Click to expand...
Click to collapse
I've had these problems when I first bought my phone used off eBay. Phone battery was very erratic. After a reboot battery would be less than half or nearly 0 even with 80%+ battery. Or would shut down with 5% left. Or drain battery a lot quicker than normal.
Soon as I bought a new battery my problems vanished. My battery would stay solid no matter how many times I flashed a new ROM or rebooted. BUT after 3 months these drops have started to happen again with reboots. Not always like before, but they're happening.
I think it's down to battery conditioning. The way you charge and discharge your battery. There are set ways to charge a phone to maintain battery health.
How does your battery react without rebooting from a full change to shut down? You shouldn't need to reboot a phone with a good stable ROM once you've set it up the way you like it. Also calibrating you battery or wiping your fuel gauge meter to often isn't good practice as android and your phone will do calibrating itself after some time and needs the information that these starts provide.
Battery jumps seem to happen with a lot of S2 users. Maybe a flaw in the design of phone. But good battery practices are important, things like not leaving your phone charging overnight. Batteries don't like being left on charge when they are full. There's more info out there on XDA that I can't remember myself as I am guilty of bad battery practices as I use my phone all the time and don't have time to full charge cycle.
Yes same problem
Battery drains really fast when restarting
Any fix for this?
I am hiving battery problems too. Battery is dropping % like it leaking or sth. Last time my phone rebooted due to full ram and it dropped from 50% to 12%. I left it like that. After some time battery re-charged itself from 12 to 23 % ! Phone was lying on the sofa without connected charger ! Should i clen fuel guage chip or my battery is EOL ?
Wysłane z Cyano-fonika 12 beta ...
RuffBuster said:
How does your battery react without rebooting from a full change to shut down? You shouldn't need to reboot a phone with a good stable ROM once you've set it up the way you like it. Also calibrating you battery or wiping your fuel gauge meter to often isn't good practice as android and your phone will do calibrating itself after some time and needs the information that these starts provide.
Battery jumps seem to happen with a lot of S2 users. Maybe a flaw in the design of phone. But good battery practices are important, things like not leaving your phone charging overnight. Batteries don't like being left on charge when they are full. There's more info out there on XDA that I can't remember myself as I am guilty of bad battery practices as I use my phone all the time and don't have time to full charge cycle.
Click to expand...
Click to collapse
you have to reboot for example if you install xposed and new modules i've calibrated the battery just 3 times i think this isnt too much?
and i understand the problem with charging overnight but there's no other solution for me :/
I have the same problem of battery drain with SlimLP beta 5, here my screenshot: shoplc.altervista.org/gallery/
LpWeb said:
I have the same problem of battery drain with SlimLP beta 5, here my screenshot: shoplc.altervista.org/gallery/
Click to expand...
Click to collapse
Which kernel do you use? and have you installed Xposed?
KUN1 said:
Which kernel do you use? and have you installed Xposed?
Click to expand...
Click to collapse
Hi, I have the original kernel from ROM, Xposed do not have installed
LpWeb said:
Hi, I have the original kernel from ROM, Xposed do not have installed
Click to expand...
Click to collapse
Because i have the same setting at the moment and no problem and tried with two diffrent batteries....
Also when i see your screenshots and don't see anything special or whats wrong with your battery.
Here is my battery...
KUN1 said:
Because i have the same setting at the moment and no problem and tried with two diffrent batteries....
Also when i see your screenshots and don't see anything special or whats wrong with your battery.
Here is my battery...
Click to expand...
Click to collapse
Hello, your situation is much more serious than mine. I reinstalled the original ROM jelly beam 4.1.2 because I can not charge the smartphone every 5 hours.
LpWeb said:
Hello, your situation is much more serious than mine. I reinstalled the original ROM jelly beam 4.1.2 because I can not charge the smartphone every 5 hours.
Click to expand...
Click to collapse
Did that help?
KUN1 said:
Did that help?
Click to expand...
Click to collapse
...of course, now my battery lasts 15-18 hours
When it developed a ROM that overcomes these problems of battery life, I'll be happy to try it.
LpWeb said:
...of course, now my battery lasts 15-18 hours
When it developed a ROM that overcomes these problems of battery life, I'll be happy to try it.
Click to expand...
Click to collapse
Which Rom do you use? and how much display time do you get within this 15-18hours?
KUN1 said:
Which Rom do you use? and how much display time do you get within this 15-18hours?
Click to expand...
Click to collapse
ROM Stock 4.1.2 build XWLSW.
2 hours display, 54 minutes call, 15 msg whatsapp, 30 msg telegram, 2 record videos 720p, 6 photo, 18 email and 30 minutes of twitter, this is a my typical day of use my phone.
ps: I may have missed something
Forgot to say, if you want to avoid battery drops when rebooting make sure you plug your phone into charge before rebooting. Thus should stop battery dropping afterwards.
RuffBuster said:
Forgot to say, if you want to avoid battery drops when rebooting make sure you plug your phone into charge before rebooting. Thus should stop battery dropping afterwards.
Click to expand...
Click to collapse
The battery often drops when the phone hangs at work and reboot from itself so i have no chance to plug it in.
I have same problem, battery drain too fast & after reboot same time battery level is "falling" at one moment twice. At first, I think it's a battery problem, but battery work fine at CM12 mod, and have problem at SLIMLP 5.1.1 mod. When battery "falling" it's not heating, which means no real discharge.
Hello friends I just purchased a new battery this is 3.7V battery
But the old Samsung stock battery that comes with the phone is 4.2V is this ok or this is necessary to need battery is 4.2V im still useing jellybean stock os 4.1.2 but im a custom Rom Flashaholic please guide me should I need a same battery volt so I return it and find another I purchased it from amazon estore thanks for replying

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