1)Mono or poly crystalline, conversion efficiency is about 15-18% 2)solar panel is 0.8W 3)In builtrechargeable battery capacity is1100 mAh 4)Output voltage: 5V 5)output current : 500 6)Charging time for the mobile phone is about 1.50 hours (some little difference for different mobile phone) 7)Charging time for the Lithium polymer battery inside using USB charging cable in computer or AC adapter is about2 hours 8) Charging time for the Lithium polymer battery inside using the solar panel: about 15-20hours 9) Three superbright Leds 9) Individualsize : 12.5x8.1x2.4cm