Note: Root is necessary
Battery Saver Pro is a power saving for Android phones/table, Itâ€™s easy to use and if turn on the 1-4 level power-saving mode, the app will automatically open you want to the power intensity, we directly reduce the cpu power down. (need root)
To maintain normal for 2 days in order to know is truly your saving power of the software, you can set your sleep time, in order to better saving electricity.
AnTuTu Power Saver Pro