Solar panel (mono or multicrystalline): 5.5V/80mA Bulb: 24pcs bright LED Output voltage/current: 5.5V, 450mA Battery capacity: 1,350mAh Charging a mobile phone as a charger Protection: reverse current protection circuit integrated to prevent batteries from being discharged Charging time for the mobile phone: 2 to 3hrs Charging time for the Lithium battery inside using the solar panel: 10 hours Charging time for the Lithium battery inside via USB charging cable: 4 to 5hrs Constant volts: 4.2V Indication: charging and discharging state