1.Mono-crystalline silicon wafers or multi-crystalline silicon wafers with high conversion efficiency are used,which enables a high solar energy conversion efficiency of over 16% 2.Solar panel specification: 5V/80mA 3.The built-in high capacity rechargeable polymer lithiumion battery: 1500mAH 4.Output voltage: 5.25V 5.Output current: 500mA-800mA 6.Time for charging a mobile phone:about 90 minutes(the time may vary slightly depending on mobile phones lf different brands and models) 7.Time for charging the built-in battery through solar energy: 10-14hours 8.Time for charging the built-in battery through a compute of AC adaptor:5hours 9.Color: Black / Red / Blue 10.Packing: Blister 11.Accessories:AC Adapter1PC,AC Input Line1PC,Charger Output Line1PC,Plug Adaptors 5PCS(for Motorola,Samsung,Nokia,Sonyericsson)