... for must of mobile:Iphone 4,Nokia,Sony,Samsung,HTC,Motorola,Mp3etc & other electroinc products ParameterBattery TypeLiIon PolymerCapacity3800mAhInput5V 0.8AOutput5V 1 ... most of mobile phone: Iphone 4,Nokia,Sony,Samsung,HTC,Motorola,Mp3etc & other electroinc products 3800mAh USB portable Mobile power,power ...