JuiceDefender - Über 5.
GSam Battery Monitor - Monitor your android devices battery usage.
Easy Battery Saver - Easy Battery Saver, your super battery savior
Accubattery - Monitor's battery capacity through the use of science
Killapps - KillApps is a software to kill application / applications. You can permit / prohibit execution of applications on computers. Replace Windows policies.
Chronus Widget - Chronus: Home & Lock Widget is a flexible, stylish widget application that offers hundreds of widgets for your home and lock screen.