DU Battery Saver - Power Saver v4.2.7.1

DU Battery Saver, the world’s leading battery saver and Android power doctor & manager, is a FREE battery saving app that makes your battery last longer! Get up to 50% more battery life for Android phones or tablets! With DU Battery Saver’s smart pre-set battery power management modes, one-touch controls and healthy charge stage features, solve battery problems and extend your battery life.