Battery Saver Master is a FREE battery saver app that last your battery longer and makes you extend battery life up to 50% more and cut down charging time under the power saving mode by closing background running apps.
The UI of Battery is as simple as possible, but tremendously practical.

Features:

- Display battery information in percent(%) on status bar.
- Just open Battery Saver Master and on one click stop all apps to boost your phone's performance.
- Sound on charger connected or disconnected.
- Shows Accurately battery remaining time and charging time!
- Wifi/Bluetooth/Location/Data etc toggles!
- Control brightness.
- Support for latest Version.