Power Box is a free and professional battery saver app to stop power-draining apps, save battery life and protect battery health.

Key Features:
* Healthy Charge Master
Monitor charging status and extend battery life when charging.
* 1-tap Power Optimization
Just 1 tap will stop the power-draining apps from running
* Smart Use of Battery
Discover how long your battery will last under a variety of situations (playing games, WiFi (active), etc.). Clearly show the status of battery life and usage.
* Battery Cooler
Battery Cooler feature accurately detect phone temperature, disables heat-producing apps to cool down battery.

Feature list:
- Save Power Shortcut which kills tasks with one tap!
- Kill apps when screen is off!
- Accurate battery remaining time!
- Accurate charging time remaining!
- Schedule power saving modes for work/class/sleep and more!
- Unique 3 Stage Charging System!
- Battery temperature!
- Smart charging tips!
- Simple easy-to-use interface!

Power Box is the simplest way to keep your battery healthy by stopping power consuming apps, cooling down battery temperature and monitoring battery status！