General specifications: Battery cell: Lithium Capacity: 4400 mAh Output Voltage: DC 5V Output Current: 1.2A Charge time: Approx. 5hr (Input Current 1A) Life cycle: Over 500 times Operation temp.: 0~50J Dimension: (L) 76mm x (W) 67mm x (D) 26mm Weight: 132g Accessory: USB cable / connectors