[iPad] Battery percentage is pretty far off, any fix?

Redjericho · Feb 23, 2013, 12:30 PM

Is there a reason my percentage is over 10% off? Or any fixes?

Menel · Feb 23, 2013, 01:29 PM

Ask the developer of the broken app.

But don't know if I'd really trust what he says.

Breaking Good · Feb 23, 2013, 02:12 PM

Do a reboot by holding down the power button and home button for ten seconds. Use your iPad until you completely drain the battery and it shuts off. Recharge it back up to 100%. Before you unplug it, do another reboot. Wait five minutes then unplug it while the iPad is on.

This may recalibrate the software to the battery.

TyPod · Feb 23, 2013, 02:44 PM

Quote:

Originally Posted by Menel

Ask the developer of the broken app.

But don't know if I'd really trust what he says.

This is my guess as well. I'd rather trust the Apple battery gauge than the one from the app you are using.

iEvolution · Feb 23, 2013, 03:24 PM

Don't charge it until it turns off by itself, this will re-calibrate it. If its new it takes a few charge cycles to be accurate.

eelw · Feb 24, 2013, 11:35 AM

The app is reporting percentage based on designed capacity. The battery gauge percentage is based on the current reported max capacity.

Feb 23, 2013, 12:30 PM	#1
Redjericho macrumors 6502a Join Date: Sep 2011	Battery percentage is pretty far off, any fix? Is there a reason my percentage is over 10% off? Or any fixes? Attached Thumbnails
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Feb 23, 2013, 01:29 PM	#2
Menel macrumors 68020 Join Date: Aug 2011 Location: Atlanta	Ask the developer of the broken app. But don't know if I'd really trust what he says. __________________ iPhone 5 AT&T, iPad (3rd gen), iPod Nano (4th gen), AppleTV (2nd gen), iTunes Match
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Feb 23, 2013, 02:12 PM	#3
Breaking Good macrumors Demi-God Join Date: Sep 2012	Do a reboot by holding down the power button and home button for ten seconds. Use your iPad until you completely drain the battery and it shuts off. Recharge it back up to 100%. Before you unplug it, do another reboot. Wait five minutes then unplug it while the iPad is on. This may recalibrate the software to the battery.
	0

Feb 23, 2013, 03:24 PM	#5
iEvolution macrumors 65816 Join Date: Jul 2008	Don't charge it until it turns off by itself, this will re-calibrate it. If its new it takes a few charge cycles to be accurate.
	0

Feb 24, 2013, 11:35 AM	#6
eelw macrumors member Join Date: Sep 2012	The app is reporting percentage based on designed capacity. The battery gauge percentage is based on the current reported max capacity.
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