Solar panel (mono or multi-crystalline): 5.5V/190mA Output voltage: 5.5V Output current: 400mA Battery capacity: 1,000mAh Indication: charging and discharging state Protection: reverse current protection, circuit integrated to prevent batteries from being discharged Charging time for the mobile phone: 2 to 3 hours Charging time for the lithium battery inside using the solar panel: 6 hours Charging time for the lithium battery inside via USB charging cable: 3 to 4 hours Constant voltage: 4.2V LED indication, charging and discharging state Colors: red and green Net weight: 150g Packing: gift box