... voltage to the built-in capacity of 3500mA / h lithium battery (charging time about 7 hours), and then through ... AC100V-240VOutput voltage - DC5VInput current - 500mAMaximum output current - DC800mABuilt-in Lithium battery - 3500mA/hWeight - 120gSize - 120×73×10mmChargingWhen charge by ... -240V) or computer USB to the built-in rechargeable lithium battery, see light green, indicating light off when the ...