GSam Battery Monitor - Monitor your android devices battery usage.
JuiceDefender - Über 5.
Accubattery - Monitor's battery capacity through the use of science
Deep Sleep Battery Saver - Download Deep Sleep Battery Saver app for Android. Deepsleep battery saver - reclaim your battery. .
BatteryCare - BatteryCare - Application and good practice guide for maintaining and optimizing the battery of the modern laptop
Easy Battery Saver - Easy Battery Saver, your super battery savior