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Incorrect Battery readings

OP mcs117

26th March 2012, 05:25 PM   |  #1  
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Anyone else have this problem, where the phone will automatically shut off. When it does that, I enter bootloader, and it says battery is low, did a battery wipe in recovery, onto to see the battery, which was at 40%, now at 2%... Any reason why it's giving such a discrepancy....

Running Energy Rom with stock kernel.
glacierguy
26th March 2012, 05:46 PM   |  #2  
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Download "Battery Calibration" from market. https://play.google.com/store/apps/details?id=com.nema.batterycalibration

Charge your phone until it says 100% and the light turns green. Unplug your phone. Plug it back in until the light turns green again. Open this app and calibrate your battery.

Should fix the issue

Sent from my HTC_Amaze_4G using Tapatalk 2 Beta-4
Last edited by glacierguy; 26th March 2012 at 05:49 PM.
26th March 2012, 08:08 PM   |  #3  
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Try this
http://www.techgenial.com/2010/08/ho...martphone.html
Sent from my HTC_Amaze_4G using xda premium
glacierguy
26th March 2012, 08:24 PM   |  #4  
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Quote:
Originally Posted by tombeach22

Try this
http://www.techgenial.com/2010/08/ho...martphone.html
Sent from my HTC_Amaze_4G using xda premium

That is a nice trick, but won't fix incorrect battery readings.

Sent from my HTC_Amaze_4G using Tapatalk 2 Beta-4
28th March 2012, 09:42 PM   |  #5  
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funny thing, i tried that....
it likes to stick at 60% for like 7 hours, only to drop the ball and then show out of battery after it shuts down....
29th March 2012, 05:46 PM   |  #6  
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could always treat it like a laptop battery to calibrate it, Charge it fully, let it go dead and keep the battery dead for at least 6 hours. Charge it up and let it stay charged for several hours before unplugging it.

Or try and take the battery out, hold the power button for a few seconds, reinsert the battery and try again. These things sometimes help on laptops, figured it couldnt hurt here.
29th March 2012, 06:09 PM   |  #7  
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My solution is just keep it plugged in pretty much most of the time, and drain it weekly....
glacierguy
29th March 2012, 06:20 PM   |  #8  
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I regularly calibrate my battery weekly. Although, the recovery I use displays battery percentage and it's often different (more accurate) then what is displayed on my battery icon.

Sent from my HTC_Amaze_4G using Tapatalk 2 Beta-4

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