Get BetterBatterystats App! This will tell you which app prevents the device from sleep (wake locks).
Normally, the duration for "Screen on" and "Awake" should be nearly equal. If not, then there is an evil app...
My reader currently is at 30% and BetterBatterystats says
8d 23h 36m since unplugged
8d 18h 32m Deep Sleep
5h 3m Awake
4h 46m Screen on
9m Wifi on
I had my reader discharge over night some times.... then it said like 1d 20h since unplugged, 1d 15h awake, 15m screen on....
Last edited by uboot; 04-29-2012 at 06:18 AM.
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