Battery Guru displays battery usage information, measures electric battery capacity (mAh), displays estimates, and helps you change your charging habits with helpful tips to extend battery life and increase battery life.
Batteries have a limited lifespan, each time you charge your device the battery wears down and its full (design) capacity is reduced.
Now you can reduce wear and tear, spend less time with your device connected to its charger, and get more out of your mobile life without constant worry about low battery power.
Use Battery Guru to find the fastest charger and USB cable for your device. Measure the load current (in mA) to find out!
The app will show you the maximum current reached during charging.
+ Measure the actual battery capacity (in mAh), dual battery configuration is supported.
+ Use charging and temperature alarm notification to extend battery life.
+ Detailed app usage
+ Information about wake+locks since the last disconnection
+ Remaining charge time + Know how long it takes before the battery is charged.
+ Remaining usage time + Know when the battery will run out.
+ Screen on/off estimates.
+ Check deep sleep percentage and wake time
+ Detailed continuous notification for real-time battery statistics
+ sleep editor
+ Advanced system battery saver
(4.1 and up)
Lollipop (5.0 - 5.1.1),Marshmallow (6.0 - 6.0.1),Nougat (7.0 - 7.1.1),Oreo (8.0 - 8.1), Pie(9.0), Android 10, Android 11