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The topic pretty much explains it. I've been using different modified stock roms and now I'm on the latest nightly of CM7, and I keep having this issue. After a reboot at around 50%, the battery drops to 15%. The weird part is that while I continue to use the phone, it slowly rises back up to sometimes 30% and then starts going back down. I've always cleared battery stats when flashing and calibrated (which I believe is unnecessary), but I don't know if this is a problem with the battery, the phone, or if anyone else is having the same issue?
Attached is a screenshot of battery usage. You can see I never actually charged the phone.
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I have exactly the same issue.
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Technology Evolves, Android Evolves.
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[email protected] looks like a bow and arrow..
anyway guys, you need to recalibrate your battery, its not being read accuracy.
download BatteryCalibration from the market, charge your phone till 100% (not just 100% but when it beeps, that its truely at 100%), then use BatteryCalibration to calibrate your battery, and then drain it to 0.. (crank full brightness, turn on LED flashlight, blast internet radio, whatever makes it drain faster to get this part overwith), then recharge it to max.
so;
charge to full 100%
while still plugged in, run BatteryCalibration
discharge to 0%
recharge to 100%
battery successfully calibrated, you will now have an accurate reading
I had exactly the same issue on 3 different custom roms....finally resolved by going bck to stock rom
mgxplyr said:
The topic pretty much explains it. I've been using different modified stock roms and now I'm on the latest nightly of CM7, and I keep having this issue. After a reboot at around 50%, the battery drops to 15%. The weird part is that while I continue to use the phone, it slowly rises back up to sometimes 30% and then starts going back down. I've always cleared battery stats when flashing and calibrated (which I believe is unnecessary), but I don't know if this is a problem with the battery, the phone, or if anyone else is having the same issue?
Attached is a screenshot of battery usage. You can see I never actually charged the phone.
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Sent from my GT-I9100 using XDA App
soraxd said:
[email protected] looks like a bow and arrow..
anyway guys, you need to recalibrate your battery, its not being read accuracy.
download BatteryCalibration from the market, charge your phone till 100% (not just 100% but when it beeps, that its truely at 100%), then use BatteryCalibration to calibrate your battery, and then drain it to 0.. (crank full brightness, turn on LED flashlight, blast internet radio, whatever makes it drain faster to get this part overwith), then recharge it to max.
so;
charge to full 100%
while still plugged in, run BatteryCalibration
discharge to 0%
recharge to 100%
battery successfully calibrated, you will now have an accurate reading
Click to expand...
Click to collapse
I'll try this one more time and report back.
mgxplyr said:
I'll try this one more time and report back.
Click to expand...
Click to collapse
Sorry guys, but your method with BatteryCalibration is useless ....
If you wanna do a correct calibration, look at here http://forum.xda-developers.com/showthread.php?t=1312273
Cheers
Put back the battery on the right side.
8. Turn on the phone.
9. Pray the Battery god
And that post is just nonsense based on the old battery bump method .
jje
mgxplyr said:
The topic pretty much explains it. I've been using different modified stock roms and now I'm on the latest nightly of CM7, and I keep having this issue. After a reboot at around 50%, the battery drops to 15%. The weird part is that while I continue to use the phone, it slowly rises back up to sometimes 30% and then starts going back down. I've always cleared battery stats when flashing and calibrated (which I believe is unnecessary), but I don't know if this is a problem with the battery, the phone, or if anyone else is having the same issue?
Attached is a screenshot of battery usage. You can see I never actually charged the phone.
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
i have the same problem when i use custom roms.
i have been using pure stock rom by wannam but rooted for the past week with 12 hours aday syncing and surfing the net and plenty of voice calls via viber and my battery lasts at least 16 to 18 hours.
right now i am using odexed KL3 Kernel KL2Base KL1modem 2.3.6 and it is absolutely amazing interms of battery life and performance.
http://forum.xda-developers.com/showthread.php?t=1292825
http://www.multiupload.com/06I066U6S8
i have gotten rid of all samsung craps through titanium backup. i only have samsung apps application cuz of some paid apps which are for free such as tapatalk and many more on samsung app store.
my free memory is 97mb (original rom free memory is only 27mb)
i dont use any task killers i use 1Tapcleaner pro.
JJEgan said:
Put back the battery on the right side.
8. Turn on the phone.
9. Pray the Battery god
And that post is just nonsense based on the old battery bump method .
jje
Click to expand...
Click to collapse
Maybe, you wanna share a better way to all of us ?
Are you using speeded kernel. If you are then it is because logging and debugging is off.
Sent from my GT-I9100
Completely stock phone never rooted.
Same problem.
Just sayin'
Sent from my GT-I9100 using XDA App
Got the same here, very strange, on CM7
Sent from my GT-I9100 using XDA App
This thing only happens on CM7 for me. It had 40% before reboot and like 15% after. However mine only increased to about 17% then started dropping as usual. This never happened on any stock ROMs I've tried(stock, not themed/modded stock).
Sent from my GT-I9100 using xda premium
did you
did you rsolve the problem ? how? I have the same problem and I tried more stock roms ... I don't know what tot do ....
Its nothing to do with calibration etc, its just how the fuel gauge chip works, it learns and more accurately reports usage over time. For example, if you reboot and (I can't remember the actual voltages for the S2) you have 1200mV, the chip goes, "ah, that is 15% battery." Then as you use it more, it relearns its settings and goes "aaah, my mistake 1200mV is really 30% battery. I'll display that instead."
Its been covered frequently that "calibrating" the battery of the S2 in any way but actually using it, is next to useless.
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---------- Post added at 11:05 AM ---------- Previous post was at 11:03 AM ----------
Also just noticed this thread is a year old, but hopefully it will help the poster above.
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I'm having this problem too, what did you all do besides get new phones?
Got the same here, after update stock jellybean
Had this problem, when my S2 was half a year old.
I got the original Extended Battery and that solved this issue completely.
The replacement Battery has held up since 2013
soraxd said:
[email protected] looks like a bow and arrow..
anyway guys, you need to recalibrate your battery, its not being read accuracy.
download BatteryCalibration from the market, charge your phone till 100% (not just 100% but when it beeps, that its truely at 100%), then use BatteryCalibration to calibrate your battery, and then drain it to 0.. (crank full brightness, turn on LED flashlight, blast internet radio, whatever makes it drain faster to get this part overwith), then recharge it to max.
so;
charge to full 100%
while still plugged in, run BatteryCalibration
discharge to 0%
recharge to 100%
battery successfully calibrated, you will now have an accurate reading
Click to expand...
Click to collapse
did it but it still there... phone flicks and goes off at or below 40% wont turn on again:crying:
same here and I got the 2000 mAh samsung battery back in the days but now it happens with both of them also when my phone shuts off the screen brightness start flashing weirdly
Hi,
I bought a nexus 7 from best buy 2 weeks ago. After a update to android 4.1.1 (I guess), my battery dies at 30% without avertissement, but a "bip" sound from my device. Is it a hardware problem? I never rooted my Nexus 7, I tried a factory reset and it didn't worked.
Thanks for help
Yesterday my Nexus died about 1 minute after giving me the 5% warning. Strange, but I'll just wipe battery stats in ClockWorkMod (root)
Had the battery die on me at 11% the other day.
I've seen people screenshot their battery stats even at 1%, so is this a result of us improperly charging it?
The first time I unpacked my nexus, I waited until my battery reach 0% and die. Then I full charged my nexus without touching it. I don't think this problem is due to improper charging.
Sent from my HTC Incredible S using xda app-developers app
I had what sounds like the same problem. First time after fully charging the device died on me at 15% (screen messed up for a second then killed power) with no warning whatsoever. I wiped battery stats, fully charged it, wiped battery stats again and haven't had the problem since. Granted, I haven't had the device that long but I have done 2-3 cycles now where I tested how low it would get, and it seems like my device shuts off normally now when it's been on 1% battery for a while. Hope this helps
How do can I wipe my battery stats without rooting?
Sent from my HTC Incredible S using xda app-developers app
roud9 said:
The first time I unpacked my nexus, I waited until my battery reach 0% and die. Then I full charged my nexus without touching it. I don't think this problem is due to improper charging.
Click to expand...
Click to collapse
I doubt it's your problem too, but you did improperly charge it right out of the box. You should have fully charged it before turning it on, and running Li-ION batteries down to 0% is never a good idea either.
I never heard that and I haven't got any problem with my other devices and I have done the same thing with them.
Sent from my HTC Incredible S using xda app-developers app
My N7 is doing the same thing at 25%. It will just shut off abruptly without any warning and won't turn on until it's plugged into a charger. This effectively cuts my run time by 1/4. I was thinking of returning this otherwise perfect device but does anyone have a fix for it?
Yeah, this happened to me too. It seemed to happen after I unlocked the boot loader the first time. The tablet wasn't 100% charged when I did this, which might have been the problem. I also made the mistake of fully charging the device after buying it without letting it run down. (Edit: Actually I have no idea any more what the "proper" thing to do is with new devices... so who knows? Maybe what I did was right, but doesn't matter...)
I fixed it by fully charging and re-locking the boot loader. Then I let the battery run down to 0% (it didn't die at 25% this time like it used to). After fully charging it back to 100% I re-unlocked the boot loader and it was still fixed
If you haven't done any boot loader tomfoolery, perhaps charging to 100% and doing a factory reset might help?
Hope that helps! My N7 is running just fine now, so there's hope!
Sent from my Nexus 7 using xda premium
My Nexus 7 dies at 20%. Any advice?
Try this https://play.google.com/store/apps/details?id=com.nema.batterycalibration or run reset battery stats in CWM.
Sent from my rooted Nexus 7 via xda-developers app.
MrSchroeder said:
Try this https://play.google.com/store/apps/details?id=com.nema.batterycalibration or run reset battery stats in CWM.
Sent from my rooted Nexus 7 via xda-developers app.
Click to expand...
Click to collapse
I found battery calibration apps didn't help. Best thing to try is charge to 100% and do a factory reset (point the nexus root toolkit to the factory image from Google and flash it). That's what fixed it for me (and fixed another unrelated issue I was having too).
Hi there.
I own my stock Galaxy S4 i9505 for 2 months now, and since a week or 2 it started to act strange.
The phone turned always around 20% battery off, and started to freeze sometimes in normal use.
I did today a factory reset, since then it turns off around 63% battery.
Ill try to charge it for 100% and let it charge for some more hours, and do another factory reset then, but i doubt its a battery calibration problem.
Do you guys have any tip that could help me, or should i just return it to seller?
Thanks in advance!
Don't know if this will work but factory reset the phone then use until battery dies then charge whilst off untill 100% may be battery calibration issue.
Let me know how u get on mate
Sent from my GT-I9505 using xda app-developers app
cameracartwright said:
Don't know if this will work but factory reset the phone then use until battery dies then charge whilst off untill 100% may be battery calibration issue.
Let me know how u get on mate
Sent from my GT-I9505 using xda app-developers app
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Click to collapse
It's definitely not a calibration issue as that has no correlation to battery life. Thee OP is facing a hardware issue- either a defective battery or PMIC.
Sent from my Nexus 7 using Tapatalk 4
Ok
Sent from my GT-I9505 using xda app-developers app
similar problem
I'm facing similar problems. sometimes it last for a day and dies at 10% but sometimes it dies after a few hours with still 30 to 40 % battery left. After the phone switches off automaticaly i'm not able to restart unless i plug him in.
I tried a lot of things like flashing custom roms, factory reset, flash stock rom with odin with factory reset afterwards.
All with no luck.
It all started after flashing I9505XXUBMGA-PRE-ROOTED
Currently i'm on an older version suited for my region but the problem is still there.
I'm considering to buy a new battery. Can anybode help me please?
You are not alone.Many people report that problem with the original battery.Have a look at your battery if it is/gets fatter.
Buy a new one or go to the shop where you bought the phone,maybe they give you a new one.
I have problem with battery status.I try delete file batterystats.bin in my data-system but not fix it.All version CWM not "wipe battery stats" line..Help me
Apparently wiping battery stats doesn't do anything at all, it only wipes the actual history of battery usage, the same you see when you go to the menu and click the battery.
The whole subject is really a lot of speculation that as there doesn't seem to be a definite answer to calibrating the battery.
What seems to work for me and what seems to be advised more often is to fully discharge the phone, by normal usage then leaving it charging through the night, repeat the process the next day. When doing this process don't charge it in the middle of battery, you must wait until it dies.
Sent from my Nexus 4 using Tapatalk 4
@Mottz is right. Wiping that file only removes the history of what app used how many percent of the battery. This has been confirmed by a Google engineer.
https://plus.google.com/105051985738280261832/posts/FV3LVtdVxPT
Sent from my Nexus 4 using XDA Premium 4 mobile app
Hey, my device also shows incorrect battery %age. To fix that all I need to do is follow @Mottz's procedure, correct?
japmeet said:
Hey, my device also shows incorrect battery %age. To fix that all I need to do is follow @Mottz's procedure, correct?
Click to expand...
Click to collapse
Yes.. :good:
Mottz said:
Apparently wiping battery stats doesn't do anything at all, it only wipes the actual history of battery usage, the same you see when you go to the menu and click the battery.
The whole subject is really a lot of speculation that as there doesn't seem to be a definite answer to calibrating the battery.
What seems to work for me and what seems to be advised more often is to fully discharge the phone, by normal usage then leaving it charging through the night, repeat the process the next day. When doing this process don't charge it in the middle of battery, you must wait until it dies.
Sent from my Nexus 4 using Tapatalk 4
Click to expand...
Click to collapse
Unfortunately this didn't work for me. I tried charging through the night and then discharging it completely and charging it completely again. I also tried deleting the batterystats file (even though I know it doesn't do anything)
So what do you suggest I should do? Get the phone replaced or get the battery changed?
I live in India and the phone is from Canada, so replacing the phone will take some time but I can get the battery replaced for around $20
Mottz said:
What seems to work for me and what seems to be advised more often is to fully discharge the phone, by normal usage then leaving it charging through the night, repeat the process the next day. When doing this process don't charge it in the middle of battery, you must wait until it dies.
Sent from my Nexus 4 using Tapatalk 4
Click to expand...
Click to collapse
This does nothing for a lithium battery.
Except maybe kill it faster.
What exactly is your battery issue?
Hello, :fingers-crossed:
i'm having a lot of troubles with the battery of my Nexus 4. I'll try to explain this strange situation...
Few days ago i noticed a ridicoulous battery drain while i was, as usually, listening to some music with my bluetooth A2DP headset Jabra HALO2. It was something like 1% every less then 1 minute. At first i thought it was due to a recently upgrade to CM10.2M1 (which is a monthly build of Cyanogenmod on 4.3) or due to a 5 minutes fast charge from the 2A charger of Nexus 10 that could have "upset" the battery.
At first i started focusing on the software side problem; i tried CM10.2RC1, CM10.2, stock 4.3, stock 4.4 and now CM11M1, and, while doing all of those wipes, i noticed that not only the discharge was insanely fast, but even the charge! The graph on the setting panel is almost vertical while cahrging, like 3% to 40% in 25 minutes.
But that's not all, sometimes, after rebooting, i noticed a battery level different from the previous boot, so i decided to wait a full discharge and then fully recharge it. I have waited the 0% (not so much time ) putting the screen always on and the LED flash too, then, i tried few times to turn it on and every time, after the boot screen disappeared it immediately started to turning off due to 0% battery.
Moreover, for being certain, i tried to turn it on in recovery and wait how much time it would take to consume the lasting charge on the battery. Surprisingly, after 30 minutes it was still there! I tried a reboot into system, showing me a 10% remaining battery (WTF), which discharged to 0% in like 3 minutes. Now i'm waiting the whole night the real discharge in recovery with screen always on, hoping that a full recharge could fix it. I would like to evidence that the phone do not overheat during both charghe and discharge, so i guess the battery itself may be ok.
I'm still not sure if it's a software problem, and i'm worrid if it could be an hardware related issue. Maybe it could have been the charge from the 2A adapter.
I really don't know what to do next. Someone knows how to help me?
Here 2 screenshoots, I wasn't able to upload it normally so here the links:
https://drive.google.com/file/d/0ByucdM-SwPNnMlFUOGU4bXkzaGs/edit?usp=sharing
https://drive.google.com/file/d/0ByucdM-SwPNnZEtXczNuTXhiMGc/edit?usp=sharing
EDIT:
I've done a full discharge until even the full hybernation has been shutted down, but seems that it hasn't solved anything. I've also noticed that in the battery stat is missing the display consumption (WTF?!?). Maybe it's a CM11M1 bug, it happen even to my Nexus 10. Here other shots:
https://drive.google.com/file/d/0ByucdM-SwPNnazVacUNZeEZkUlk/edit?usp=sharing
https://drive.google.com/file/d/0ByucdM-SwPNnRHU2QlJibk5TVVE/edit?usp=sharing
EDIT:
As happened to the N10, after a while the display appear in the stats:
https://drive.google.com/file/d/0ByucdM-SwPNnMEozbzNRVGdzSHc/edit?usp=sharing
EDIT:
I've noticed just now that while I was waiting a real full discharge of the battery the TWRP couldn't show me the battery percentage. Really strange...
[SOLVED]
In summary, the problem was the combination of kernel+ROM. The CM with his kernel on N4 was consuming tons of electrons. I tried Purity+Hellscore, now i reach few days of low usage and one and half of medium usage
How old is your phone? You might be able to get a replacement from Google under warranty.
Sent from my Nexus 4 using xda app-developers app
I don't think it'd be the 2A charge, I use the 2A charger on my battery all the time.
Sent from my Nexus 4 using Tapatalk
EDITed main post!
sshark said:
How old is your phone? You might be able to get a replacement from Google under warranty.
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
It have 9 months, and yes is still under warrenty, but I've bought it in Spain, and I live in Italy. I think this will be hard to solve
I have some strange problemi too.
Sometines the phone reboot itself and the battery drops (i tried to flash all stock: recovery, bootloader,ROM ecc..)
It could be a faulty battery.. Read this topic, it looks like you have the same kind of problems.
Do you also have simlocks/loss of network connection?
EDITed main post!
Faeshaas said:
It could be a faulty battery.. Read this topic, it looks like you have the same kind of problems.
Do you also have simlocks/loss of network connection?
Click to expand...
Click to collapse
I've already read this topic, i think the source of the problem may be related with mine, but symptoms are different. It is strange that this happened 9 months later!
Gully discharging the phone, rebooting, discharge again if any, reboot. Connect charger, charge full. Reboot, charge full again if any, reboot. This always worked for me.
You can also try to fully discharge, completely power off the phone and let it fully charge while powered off ( only a white battery should be shown on the display).
Sent from my Nexus 4 using xda app-developers app
I'm having the same issues with my phone.
Sent from my Nexus 4 using xda app-developers app
Oxious119 said:
Gully discharging the phone, rebooting, discharge again if any, reboot. Connect charger, charge full. Reboot, charge full again if any, reboot. This always worked for me.
You can also try to fully discharge, completely power off the phone and let it fully charge while powered off ( only a white battery should be shown on the display).
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Already done, nothing....
Did all of u found the problem? Cause it seems i have the same...
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Amiramac said:
Did all of u found the problem? Cause it seems i have the same...
Sent from my Nexus 4 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Unfortunately, no. Probably it is a battery related problem, i'm going to replace it and see what happen. In the meantime not even PurityROM+HellsCore kernel may handle this battery draining...