Battery Doctor (Battery Saver)

Battery Doctor is a FREE battery saving app that can extend your battery life up to 50% by finding apps and settings that drain power on your device. Join 150+ million users on Android and iOS who have seen the benefits!

Professional, easy to use and supporting 19 languages, Battery Doctor by Cheetah Mobile (formerly known as KS Mobile) gives a longer life to your Android phone , provides you with detailed battery information and helps it charge healthily with our unique 3 Stage Charging system. Enjoy an incredible power saving experience that's as good as Project Volta, even before Android L comes out.

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Defend your Juice!
Find out what’s draining your power. Adjust your draining settings (e.g. brightness) and disable unnecessary apps that drain your battery.

Accurately Estimates Remaining Battery Time
Tells how long battery will last under a variety of situations (playing games, wifi on or off, etc)

Professional Charging
Battery Doctor regulates the manner in which your device is charged with a Unique 3 Stage Charging system to ensure you get the most out of your battery and reminds you not to over charge. It also has features that can monitor and regulate power consumption.

Widget Included
Our "Task Killer" widget will optimize your power consumption conveniently. The 4x1 widget makes it easier to manage Wifi, Data, Brightness, etc, and set power saving modes.