DU Battery Saver for android

DU Battery Saver is a FREE battery saving app that makes your battery last longer, and can help you get up to 50% more battery life for your Android phone! Over 400 million users around the world love DU Battery Saver. With DU Battery Saver's smart pre-set battery power management modes, one-touch controls and healthy battery charger stage features, you can solve battery problems and extend your battery life.

Why DU Battery Saver (Battery Booster & Battery Charger) is a MUST-HAVE app?
★ One-Click Optimization & Battery Saver
Instantly find and fix battery power consumption problems and unlock detailed settings to fine-tune your energy savings;