When battery booster is empty, send broadcast intent.>> Not work stand alone. <<Send Broadcast Intent : Action : "RabiSoft.intent.action.BATTERY_BOOSTER_EMPTY".Receive Broadcast Intent : Action : "RabiSoft.BatteryBoosterNotifier.intent.action.ON" "RabiSoft.BatteryBoosterNotifier.intent.action.OFF".Please use with ( for send/receive intent ) "Intent to Intent Ad" or "Intent to Intent Pro Ad.Please use with ( for auto run ) "Boot Completed Manager Ad".Google Group : http://goo.gl/JFtfL