Battery Master

✔ Display usage time in different situations based on different devices and current battery level, such as: calls, Internet, video, music, standby, etc.
✔ The only free app in the App Store that provides a charging completion reminder so that you can be notified in time when the battery is fully charged

Want to know how long your battery can last for video playback, music playback, and Skype chatting with friends? Battery Master is the best battery app on the app store to meet all your functional needs.

★ Estimate remaining time under various usage scenarios ★
- Call duration
- music playback
- Video playback
- Standby time
- Surf the Internet

★ Charging completed prompt ★
Run Battery Master to charge your iPhone/iPod touch, and you will receive a notification when the charging process is completed.

★ Automatic detection equipment★
The program automatically detects the device and displays information related to your device.

Fully tested and confirmed by our labs, Battery Master supports all existing iOS devices