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Example: my battery says 50%, I reboot, and now it's down to about 40%.
What's the deal? Anyone else have this problem?
I'm running Das BAMF 1.6.2, stock kernel.
I've noticed since I got the tbolt day one. Im in the 15% range when reboot. My screen freeze after lightning strike for 3 minutes. Was hoping the new update would fix it but update now delayed. Never again will I be the first in line for phone.
Sent from my ADR6400L using XDA Premium App
The percentage drops but it stays at whatever that percentage is for an hour or five depending on how much I'm using my phone.
because your battery gauge is lying to you and not reporting accurately prior to reboot.
dbisch said:
Example: my battery says 50%, I reboot, and now it's down to about 40%.
What's the deal? Anyone else have this problem?
I'm running Das BAMF 1.6.2, stock kernel.
Click to expand...
Click to collapse
Thought I had commented on this, whoops.
So have you calibrated your battery since flashing 1.6.2?
If not you need to do so, as this will fix your issue, and help your battery life.
nosympathy said:
Thought I had commented on this, whoops.
So have you calibrated your battery since flashing 1.6.2?
If not you need to do so, as this will fix your issue, and help your battery life.
Click to expand...
Click to collapse
What do you use to calibrate it? Wiping the battery stats?
Check out this thread: http://forum.xda-developers.com/showthread.php?t=871051
Basically the meter is lying because keeping your phone at 100% while charged is not so good for long term life of the battery. So once you get a full charge it doesn't keep the battery full, and when you take it off the charger the meter quickly catches up to reality.
So don't worry, it's supposed to happen this way.
nosympathy said:
Thought I had commented on this, whoops.
So have you calibrated your battery since flashing 1.6.2?
If not you need to do so, as this will fix your issue, and help your battery life.
Click to expand...
Click to collapse
How do I calibrate it?
There's an app on the Market called BatteryCalibration, works well.
Sent from my ADR6400L using Tapatalk
nosympathy said:
Thought I had commented on this, whoops.
So have you calibrated your battery since flashing 1.6.2?
If not you need to do so, as this will fix your issue, and help your battery life.
Click to expand...
Click to collapse
It may help battery life, but it won't fix the issue
dbisch said:
How do I calibrate it?
Click to expand...
Click to collapse
There are several threads explaining this but you just:
-Charge to 100% and boot into recovery
-Select advanced>wipe battery stats
-Use phone normally until battery dies and it powers off
-Charge back up to 100% (preferably while still off)
Edit- if you are running das bamf you can also clear them from the toolkit.
dirtyfingers said:
It may help battery life, but it won't fix the issue
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Click to collapse
It will fix the issue that the OP is having of the phone dropping % drastically when they reboot. If you are talking about the phone dropping from 100 to 95% or so after you unplug, then no it won't, because that is actually a safety feature that you do not want to fix, unless of course you want to burn your phone up.
ska.t73 said:
It will fix the issue that the OP is having of the phone dropping % drastically when they reboot. If you are talking about the phone dropping from 100 to 95% or so after you unplug, then no it won't, because that is actually a safety feature that you do not want to fix, unless of course you want to burn your phone up.
Click to expand...
Click to collapse
Thanks. I just want my battery % to be accurate.
dbisch said:
Thanks. I just want my battery % to be accurate.
Click to expand...
Click to collapse
No problem, if that is what you want then doing a battery stats wipe will do that. It should be done actually everytime you change ROMs or upgrade a ROM.
Just follow Dirtyfingers instructions, or use a Battery Calibration app from the market
ska.t73 said:
No problem, if that is what you want then doing a battery stats wipe will do that. It should be done actually everytime you change ROMs or upgrade a ROM.
Just follow Dirtyfingers instructions, or use a Battery Calibration app from the market
Click to expand...
Click to collapse
Man, don't say that in the dev area, or the irc. There was someone named Confucius on there yesterday reaming people for wiping battery stats. It wasn't pretty.
Doug B.
dvgb173 said:
Man, don't say that in the dev area, or the irc. There was someone named Confucius on there yesterday reaming people for wiping battery stats. It wasn't pretty.
Doug B.
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Click to collapse
It is a bad idea to wipe battery stats? Can it damage the phone?
dbisch said:
It is a bad idea to wipe battery stats? Can it damage the phone?
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Click to collapse
No your phone stores how long it takes to die charge etc. and when you change roms these stats obviously change and therefore wiping the stats allows the phone to really calibrate to the new rom. At least I think that's how it is.
Sent from my ThunderBolt using XDA App
dbisch said:
Example: my battery says 50%, I reboot, and now it's down to about 40%.
What's the deal? Anyone else have this problem?
I'm running Das BAMF 1.6.2, stock kernel.
Click to expand...
Click to collapse
This happens to me and it annoys me everytime it does it. I dont know why for some reason this is a recurring thing with HTC phones.
My battery drops 10-15% rather quickly when I unplug it but I believe this is actually normal with newer Li-Ion charging techniques.
Mine drops about 5% after a reboot. I reset my batteries stats today and hope that will improve my battery life, but I must say I got about 8 eight hours today with fairly heavy use and a few reboots.
Ok I charge my phone overnight battery is at 100% ,after 4-5 hours of moderate use I'm still at 100% But once it goes down to 99% or lower it's draining fast ,someday I lost as much as 50% in a couple hours of very light used.
makomek said:
Ok I charge my phone overnight battery is at 100% ,after 4-5 hours of moderate use I'm still at 100% But once it goes down to 99% or lower it's draining fast ,someday I lost as much as 50% in a couple hours of very light used.
Click to expand...
Click to collapse
People please report on this also. I have a similar issue on my new sensation . Yesterday I took it of the charge and used out some. From 8 to 2 or showed 100%. Then later it started dropping . By 5 it was at 95.
Sent from my HTC Sensation 4G using XDA Premium App
It is because the battery hadn't calibrated itself with the OS.
hah2110 said:
It is because the battery hadn't calibrated itself with the OS.
Click to expand...
Click to collapse
So what I have to do?
makomek said:
So what I have to do?
Click to expand...
Click to collapse
duhhhhhhhh,you have to purchase the battery calibrator from the market
Macklessdaddy said:
duhhhhhhhh,you have to purchase the battery calibrator from the market
Click to expand...
Click to collapse
Right now the Sensation is not root yet so those APP won't work ,Duhhhhhhhhhhhhh
Macklessdaddy said:
duhhhhhhhh,you have to purchase the battery calibrator from the market
Click to expand...
Click to collapse
I can only see calibrators for rooted phones Battery bug has been reported before in another thread. You could try changing the fast boot setting so the phone turns off properly instead of going into hibernation. That's what I did the other night. Seems to have made a difference just go into power section in settings. So many factors cam effect battery. Poor 3G signal. Auto sync. Auto brightness. Maybe try root explorer see if that makes a difference. But after a week or so charging your battery should be calibrated but then there are some that will dispute that the battery don't need to be calibrated...lol
Note: I searched the forum and saw nothing like my issue, if there is then I missed it and I apologize.
So here is the issue. When charging it gets to between 85-90% then immediately jumps to 100%. Have tried clearing the stats, draining, then full charge. Any suggestions on this?
How old is the battery are you charging USB or AC?
Most likely its a old battery
Sent from my Inspire 4G using xda premium
virusmonk3y said:
Note: I searched the forum and saw nothing like my issue, if there is then I missed it and I apologize.
So here is the issue. When charging it gets to between 85-90% then immediately jumps to 100%. Have tried clearing the stats, draining, then full charge. Any suggestions on this?
Click to expand...
Click to collapse
very odd, I've actually experienced the inverse. Charge would hold at like 20% and then jump to 10% in a second. Are you noticing in use there is a jump back down i.e. when you unplug, does it jump from 100% straight to 90% or does this just happen when charging. If it just happens with charging, I'd say run current widget and see how much mA is left when it makes the jump to 100% and see if the battery is actually charging correctly. In other words, if you're charging and the battery jumps from 90 to 100 and you still have like 200 mA left, something is goofy with your battery and I'd recommend a new battery or at the very least full wiping and reflashing your ROM.
If it jumps and the remaining mA is like 30 or something low, then the actual battery seems to be fine and I'd recommend a full wipe and reflash the rom you're using. In all honestly, it's probably the battery and may just be worth getting a new one.
virusmonk3y said:
Note: I searched the forum and saw nothing like my issue, if there is then I missed it and I apologize.
So here is the issue. When charging it gets to between 85-90% then immediately jumps to 100%. Have tried clearing the stats, draining, then full charge. Any suggestions on this?
Click to expand...
Click to collapse
Im not attacking you im just trying to clarify. Are you saying it jumps to 100%, meaning you see it say 100% or are you referring to the led going green at about 90%?
I'm not convinced it is a battery issue... I've only very recently rooted my phone (have had it for 11 months) and haven't had the charge indicator jump past the last 10% like it did just today.
Looking at the last 26hours of history (ICS 3.0.0 install), the initial battery discharge showed normal taper from 100-85%, however on charge it jumped from somewhere just below 90% to 100% instantaneously.
I should have taken a screenshot, but instead I wiped the battery stats and am in the initial discharge cycle still. I've had the phone 11 months and have never cleared the battery stats before.
Maybe 8 months old.
Sent from the internets
Darunion said:
Im not attacking you im just trying to clarify. Are you saying it jumps to 100%, meaning you see it say 100% or are you referring to the led going green at about 90%?
Click to expand...
Click to collapse
When it hits 85-90% the led turns green then it shows 100% right after that.
Sent from the internets
virusmonk3y said:
When it hits 85-90% the led turns green then it shows 100% right after that.
Sent from the internets
Click to expand...
Click to collapse
the led is supposed to go green at 90% to indicate trickle charge mode. but ya that should not be triggering the 100%. are you using a battery mod that isnt included with the rom?
virusmonk3y said:
When it hits 85-90% the led turns green then it shows 100% right after that.
Sent from the internets
Click to expand...
Click to collapse
Run the battery down until the phone dies. I have had this happen to me before. When I got down to 1%, it took a really long time for the phone to die. Recharging and doing a couple of long cycles of letting the battery go down to a really low level before charging fixed it. Do not delete battery stats as it does no good.
Sent from my Inspire 4G using Tapatalk
fernandezhjr said:
Run the battery down until the phone dies. I have had this happen to me before. When I got down to 1%, it took a really long time for the phone to die. Recharging and doing a couple of long cycles of letting the battery go down to a really low level before charging fixed it. Do not delete battery stats as it does no good.
Sent from my Inspire 4G using Tapatalk
Click to expand...
Click to collapse
Did that already, stated that in OP
Sent from the internets
Darunion said:
the led is supposed to go green at 90% to indicate trickle charge mode. but ya that should not be triggering the 100%. are you using a battery mod that isnt included with the rom?
Click to expand...
Click to collapse
No mod on the battery.
Sent from the internets
virusmonk3y said:
Did that already, stated that in OP
Sent from the internets
Click to expand...
Click to collapse
You stated in the op you cleared battery stats. I specifically mentioned trying the process without clearing battery stats and doing some additional cycles without clearing.
Sent from my Inspire 4G using Tapatalk
fernandezhjr said:
You stated in the op you cleared battery stats. I specifically mentioned trying the process without clearing battery stats and doing some additional cycles without clearing.
Sent from my Inspire 4G using Tapatalk
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Click to collapse
Indeed. I did that twice actually
Sent from the internets
virusmonk3y said:
Indeed. I did that twice actually
Sent from the internets
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Click to collapse
Well if calibration processes fail to correct it, then I would suspect a bad battery.
Sent from my Inspire 4G using Tapatalk
You might try an app called Battery Calibration. Found here http://forum.xda-developers.com/showthread.php?t=1024867
I don't necessarily use it to calibrate but to monitor the mV. It might help in seeing if it is in fact a bad battery or if your battery indicator is showing a false reading.
Sent from my MB860 using Tapatalk
jp2132 said:
You might try an app called Battery Calibration. Found here http://forum.xda-developers.com/showthread.php?t=1024867
I don't necessarily use it to calibrate but to monitor the mV. It might help in seeing if it is in fact a bad battery or if your battery indicator is showing a false reading.
Sent from my MB860 using Tapatalk
Click to expand...
Click to collapse
Yea I tried that after the normal calibration. Another weird thing is my phone has been sitting at 1% for like an hour.
Sent from the internets
virusmonk3y said:
Yea I tried that after the normal calibration. Another weird thing is my phone has been sitting at 1% for like an hour.
Sent from the internets
Click to expand...
Click to collapse
Go back and read my first post. I told you this would happen.
Sent from my Inspire 4G using Tapatalk
fernandezhjr said:
Go back and read my first post. I told you this would happen.
Sent from my Inspire 4G using Tapatalk
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Click to collapse
The sitting at 1% was happening before. Just never really payed attention to it. Have tried the normal calibration twice now and the method you mentioned as well. Going to ATT tomorrow and see about exchanging the battery. Will post results.
Edit: Want to add a thanks for all the suggestions from everyone.
Sent from the internets
virusmonk3y said:
The sitting at 1% was happening before. Just never really payed attention to it. Have tried the normal calibration twice now and the method you mentioned as well. Going to ATT tomorrow and see about exchanging the battery. Will post results.
Edit: Want to add a thanks for all the suggestions from everyone.
Sent from the internets
Click to expand...
Click to collapse
Then it may be that time. I got my battery to hold out a little longer, but soon after, I started getting bad drain. I recently replaced my battery and haven't had issues since.
Sent from my Inspire 4G using Tapatalk
virusmonk3y said:
The sitting at 1% was happening before. Just never really payed attention to it. Have tried the normal calibration twice now and the method you mentioned as well. Going to ATT tomorrow and see about exchanging the battery. Will post results.
Edit: Want to add a thanks for all the suggestions from everyone.
Sent from the internets
Click to expand...
Click to collapse
Sounds more like a battery calibration issue than a battery issue.
Give it a bit of thought... from 90% it skips to 100% when charging. However at 1% it camps out for an hour or more before shutting off. This indicates an issue with how the charge of the battery is being measured/expressed...
Now let's think about what is happening behind the scenes. This measure of charge is "defined as the available capacity expressed as a percentage of some reference, sometimes its rated capacity but more likely its current (i.e. at the latest charge-discharge cycle) capacity but this ambiguity can lead to confusion and errors. It is not usually an absolute measure in Coulombs, kWh or Ah of the energy left in the battery which would be less confusing. "
Essentially, the way the phone is measuring the battery isn't working correctly. However, is the duration of the battery life what you would expect given your use of it?
If YES, then it's a measuring issue.
So, I was using kang's cm9 for a while now, and the the battery messed up something - it turned off while still having half battery displayed, and wouldn't turn on till charging began. I remember from other roms, there was a config file we used to delete when stuff like this happened. Does anyone know which battery file would that be in CM9 Kang?
What are you running Kernel-wise? Faux with DS driver? Otherwise, boot to CWM and under advanced wipe battery stats. Which Kang are you using?
First off, if you're using Faux's DS kernel then that means you were actually out of battery since the DS kernel has bad battery readings. Make sure you're on the fourth update (selfkang3).
IRASadPanda said:
First off, if you're using Faux's DS kernel then that means you were actually out of battery since the DS kernel has bad battery readings. Make sure you're on the fourth update (selfkang3).
Click to expand...
Click to collapse
Exactly... If you are on ds kernel you will have really funky batt readings.. He states it himself in the op.
Sent from my LG-P999 using XDA App
I've never messed with kernels.
Under "Kernel Version": 2.6.32.55-cyanogenmod
[email protected]))
Under "CyanogenMod version": 9.0.0-RC0-SelfKANG1-G2x
Under "Build date": Mon Deb 13 16:27:34 WET 2012
Under "Build number": IML74K
So, I am not running the latest beta? I haven't had time to keep with it. Where can I find the latest one?
I've been using the newest KANG for a while now, and the battery life is significantly better than CM7 was. Leaving the phone in standby all night would drain the battery about 30% or so, now it drains 5-10% at best. I've never had the battery readings become all 'funky'. The phone lasts a full drain from 100-0% if I let it, and it takes days to do so.
JaiaV said:
I've been using the newest KANG for a while now, and the battery life is significantly better than CM7 was. Leaving the phone in standby all night would drain the battery about 30% or so, now it drains 5-10% at best. I've never had the battery readings become all 'funky'. The phone lasts a full drain from 100-0% if I let it, and it takes days to do so.
Click to expand...
Click to collapse
cool story, is that the rom i am using?
aplsux said:
Under "CyanogenMod version": 9.0.0-RC0-SelfKANG1
Click to expand...
Click to collapse
Ah ha! Find a post from the 20th or the 21st and get SelfKANG3 it has auto brightness and that may help you with general battery life, as far as the odd readings have you wiped battery stats? Though assuming you've charged it by now from what I understand your battery stats would have been erased by now. In anycase, do get SK3.
Sent from my LG-P999 using xda premium
JaiaV said:
I've been using the newest KANG for a while now, and the battery life is significantly better than CM7 was. Leaving the phone in standby all night would drain the battery about 30% or so, now it drains 5-10% at best. I've never had the battery readings become all 'funky'. The phone lasts a full drain from 100-0% if I let it, and it takes days to do so.
Click to expand...
Click to collapse
The funky battery stats are only for Faux's DS kernel, and dang, 30% a night is not right, on GB I only lose about a % per hour I sleep, so 8% overnight.
Волк said:
Ah ha! Find a post from the 20th or the 21st and get SelfKANG3 it has auto brightness and that may help you with general battery life, as far as the odd readings have you wiped battery stats? Though assuming you've charged it by now from what I understand your battery stats would have been erased by now. In anycase, do get SK3.
Sent from my LG-P999 using xda premium
Click to expand...
Click to collapse
thank you Wolf. I did update to SK3, altough the fixed bugs were not very big
I could live without the auto brightness. they should fix the video first, that's my main wish. But I recognize all the hard work they put, kudos. Imagine the world without devs.
Пажалуйста, yea, the bug fixes aren't huge, but the auto brightness will help with the battery drain. Another "trick",.Which I picked up from someone else, is to create a profile in Set CPU so that the.clock speed is minimal when your screen is off.
Sent from my LG-P999 using xda premium
I have a gs3 I'm running jb aokp build 4. I have a hyperion extended battery in it.. It charged last night for about 8 hours.. This morning I woke up it said 100%. I checked my emails and other accounts. I picked it up 10 min later and it was down to 50%..is this my rom or do u think it the battery.? Thanks
Sent from gs3..
P2o8wer said:
I have a gs3 I'm running jb aokp build 4. I have a hyperion extended battery in it.. It charged last night for about 8 hours.. This morning I woke up it said 100%. I checked my emails and other accounts. I picked it up 10 min later and it was down to 50%..is this my rom or do u think it the battery.? Thanks
Sent from gs3..
Click to expand...
Click to collapse
Has this happened before to you on other builds of AOKP or other ROMs you have tried? Has this happened to you before you got the extended battery? Sometimes Android will randomly incorrectly report battery statistics such as percentage remaining. For example, it might say 10% left but that "10%" will last for another 2 hours.
Sent from my SCH-I535 using xda premium
shimp208 said:
Has this happened before to you on other builds of AOKP or other ROMs you have tried? Has this happened to you before you got the extended battery? Sometimes Android will randomly incorrectly report battery statistics such as percentage remaining. For example, it might say 10% left but that "10%" will last for another 2 hours.
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
No only with the Hyperion battery..
Sent from gs3..
P2o8wer said:
No only with the Hyperion battery..
Sent from gs3..
Click to expand...
Click to collapse
Is the battery new. Has it been conditioned. Drain completely and recharge. Then go from there. Not enough info in 10 minutes to tell what is going on. Install Bettery Battery Stats to see what is running. Gsam Battery Monitor will also give more info on what apps are eating the battery.
prdog1 said:
Is the battery new. Has it been conditioned. Drain completely and recharge. Then go from there. Not enough info in 10 minutes to tell what is going on. Install Bettery Battery Stats to see what is running. Gsam Battery Monitor will also give more info on what apps are eating the battery.
Click to expand...
Click to collapse
After you follow these suggestions if that still doesn't work consider whipping the battery stats file to prevent potential incorrect battery stats usage (You can do this in recovery or by downloading a battery "calibration" app).
Sent from my SCH-I535 using xda premium
I'm still negotiating the hyperion battery issue. The phone does not read the stats correctly with one installed. Battery life is correct but stats are wrong. I think it may have to do with the Jerry rigged nfc that was added to their previously made stockpile.
annoyingduck said:
I'm still negotiating the hyperion battery issue. The phone does not read the stats correctly with one installed. Battery life is correct but stats are wrong. I think it may have to do with the Jerry rigged nfc that was added to their previously made stockpile.
Click to expand...
Click to collapse
HaHaa. They got you too?
Yup, was drawn in by the extra 200ma/hr. Pretty sure the stock battery is better, but cannot get any accurate calibration on the hyperion. Which ultimately tells me that there is a fluctuation in the output of the battery. That can't be good for the system... Kind of like using a construction grade generator to power a pc, it'll work, but is it safe? Stopped using the hyperion batteries, keeping as backup.
I actually picked up a separate charger. I just leave the Hyperion in it for about 12+ hrs. I downloaded battery calibration app and it seems to be doing a lot better. Not like the first time I put it in but lasting the entire day. Thanks for the help guys..
Sent from gs3..