Batteries have a limited lifespan. Every time you charge your device, it wears out the battery, lowering its total capacity. Battery Calibration Pro is the easiest way to calibrate your battery device. Follow the steps on screen and you'll have your battery calibrated in no time! For optimal results use this app with Root Access. If your device is Stock this app will still help the Android System to calibrate your battery. Feature : + Simple and easy to use user interface + Support root & no-root devices + Completely free