Easy Battery Calibration

Download on Google Play: https://play.google.com/store/apps/details?id=be.fpmiguel.batterycalibration
To get the most out of your battery you should calibrate your device each time after installing a new ROM or when you notice it got decalibrated (which could happen after a few months).
This is the easiest way to calibrate your device: follow the steps on screen and you'll have your battery calibrated in no time!