Built in 3.7V/1500mAH Li-battery,compatible with all iPhones, including the new Iphone 3GS, these solar chargers come with an included genuine leather case. In direct sunlight, these chargers can provide functional power levels in less than 3 hours.Of if charged by AC/DC power,it can provide power for no more than 10 hours use.

Specifications
Color : Black
Product Size : 130x65x20mm
Product Weight : 0.18Kg
Material : Leather
Output Voltage : 5V