Battery Type: Li-polymer batteryCapacity: 4400-5200mAhOutput: DC 5V/2000mAInput: DC 5V/1000mAPower efficiency: 90%Flashlight Consumption: 1WFlashlight Working Time: about 16 hours(after full charged) Charging Time(for Power Spirit): about 5 hours(DC 1000mA) Color: White/BlackAdapter: 7 type is OptionalCover: ABS MaterialCycle Life Time: above 500 Times