Follow along with the video below to see how to install our site as a web app on your home screen.
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If you're rooted, use this app, it will delete batterystat and create new one :
https://play.google.com/store/apps/...2ZmZXNpb25hbHMuYmF0dGVyeS5jYWxsaWJyYXRpb24iXQ..
If you're not rooted, just discharge and charge the battery full few times, this should be enough.
what is the best app to calibrate a new battery?
Doesn't CWM have an option to delete battery stats?