Specifications 1. Solar Panel (mono or multi-crystalline): 5.5V/45mA 2. Output volt/current: 5.5V400mA 3. Battery capcity:1000mah 4. Indication: charging and discharging state 5. Protection: reverse current protection circuit integerated to prevent batteries from being discharged. 6. Charging time for the mobile phone: 2-3 hours 7.Charging time for the NI-MH battery inside using the solar panel: 12 - 14 hours 8.Charging time for the NI-MH battery inside via USB charging cablel: 4- 5 hours 9.Constant Volts:4.2 V