... backpack 1.Solar panel power:1W 2.Charging for mobile phone, MP3/MP4,Digital camera,etc 3.Material:600D, hight quality solar backpack ... /solar charger backpack:Function : 1. gives each kind of brand handset (Nokia,Sansung, Sony Ericsson, Simens, Motorola)charge or the power supply ... charge their cell phones with LED lighting. High Quality Solar backpack with Solar panel power 1Watt