Battery percentage not accurate. - Nexus 7 (2013) Q&A

Anyone have this issue on a 32gb. It won't say it's charging when it is. Also the battery will have the red exclamation point in it. But the battery will be fully charged. Now when you turn it off the battery will show charging but when it's on and plugged in it doesn't acknowledge it's being charged even when it is.....
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No one else?
Sent from my HTC One using xda premium

Recalibrate it with a software.
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Related

Anybody have problem with charging light/micro USB port?

The red light stays on all the time. And when I turn the phone off it the battery icon says its charging ...its acting weird says 100 % sometimes and its not
Sent from my SPH-D710 using XDA
I should say that when I don't have a charger plugged in it says that its charging when the phone is off
Sent from my SPH-D710 using XDA
Are you running a custom ROM?
Yep
Sent from my SPH-D710 using XDA
I had the same problem.
See here
http://forum.xda-developers.com/showthread.php?t=1430197
So I ultimately have to get a replacement ?
Sent from my SPH-D710 using XDA
how can i flash back to stock if the pc cant regonize my phone???

99% not charging

Edit. Googled it and apparently its not s bug, just prevents battery overload by not remaining at 100%.
Lock plz
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Battery fast charge and discharge

I have prolem that phone discharges normaly from 100% to some 70% and then rapidly discharges from 70% to zero. Batt graf shows vertical discharge.
Similar thing when charging. It charges to some 30% for an hour and than from 30% to 100% in a minute.
I have read tons of threads, did batt cal, delete batt stats when bat was 100% and when batt was 0 % few times, did s-off, change bootloader, tried few roms. Always the same.
Is this behaviour because batt is dead? I dont have spare batt so before ordering new one I want to ask did somebody experience similar situation?
Thanks.
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lifeiswisdom said:
I have prolem that phone discharges normaly from 100% to some 70% and then rapidly discharges from 70% to zero. Batt graf shows vertical discharge.
Similar thing when charging. It charges to some 30% for an hour and than from 30% to 100% in a minute.
I have read tons of threads, did batt cal, delete batt stats when bat was 100% and when batt was 0 % few times, did s-off, change bootloader, tried few roms. Always the same.
Is this behaviour because batt is dead? I dont have spare batt so before ordering new one I want to ask did somebody experience similar situation?
Thanks.
Sent from my GT-I8190N using xda app-developers app
Click to expand...
Click to collapse
upload the graph, how old is the battery?
You can try another ROM and look if the problem persists though I guess that's not a problem of any ROM... I think it's the battery.
Sent from my HTC Desire using xda app-developers app
upload the graph, how old is the battery?
Click to expand...
Click to collapse
I will try to upload graph. I have screenshot of charging graph but I must dischage battery again and take screenshot because there is no discharging graph after wiping bat stats.
P.S. I have also try to charge while on, then turn it off, charge again etc. I found some manual.
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.vermilion said:
You can try another ROM and look if the problem persists though I guess that's not a problem of any ROM... I think it's the battery.
Sent from my HTC Desire using xda app-developers app
Click to expand...
Click to collapse
I have already tried 5 different roms like I wrote in first post. JB and ICS
Allways the same situation.
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lifeiswisdom said:
I will try to upload graph. I have screenshot of charging graph but I must dischage battery again and take screenshot because there is no discharging graph after wiping bat stats.
1.5 year old batt.
P.S. I have also try to charge while on, then turn it off, charge again etc. I found some manual.
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Click to expand...
Click to collapse
Sent from my GT-I8190N using xda app-developers app
Charge and discharge graphs.
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Me too
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It looks like the battery is dead.
Sent from my HTC Desire using xda app-developers app
New battery ariwed and everything is fine now.
It was because old battety was dead.
Maybe someone will find this thread useful.
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Only charging to 95%?

My tablet is telling Me it is charged but when I unplug it it's at 95%? Anyone else experience this?
Sent from my Nexus 7 using xda app-developers app
Are you using the stock battery graph or a third party app? What ROM and kernel are you running?
That's normal don't worry about it, it will only charge to close to 100 then let it trickle down to about 95 then trickle up and repeat while it's fully charged and still plugged in, so you unplugged it after the device let itself trickle down to 95. That's all.
Sent from my SGH-I747 using Tapatalk 2
Or you can calibrate.. Get a battery stats calibration app.
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Battery Glitch?

Can someone explain this to me? I was using my phone normally with Snapchat open with ~50% battery left. All of a sudden my phone turns off out of the blue. I turn it back on and it says that I have 1% battery. I have included 2 pictures of the battery screen. One when it was at 1% and the other at 15% while charging.
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That is strange
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