... current 22.2V,480mABATTERYRated capacity(20 hour rate)Maintenance-free lead-acid deep cycle7AHLife3-5YearsRated voltage12VNoteStoked battery is recommeded to becharged every ... working state indicator, DC12V LED bulbconnectors ,USB output connector,5v cell phone charginginterface,commercial power charging interface,AC110V/AC220V Europe standard ...