Solar backpack
1.Solar panel: 4W/6W, Li-battery: 3.7V/8800MA
2.Backpack Materials: Oxford Dimension：60X30X20CM
3.Packing : 1 pcs plastic bag inside and carton outside,Carton size：60*45*48CM/12pcs N.W：18.9KG G.W：19.9KG
4.Charging time: 7-8 hours under the sunlight for fully charged
5.Output Voltage veries from 3.5V to 20V
6.Fit for: mobile phone （5 types of transfer connector fit for NOKIA, SAMSUNG, MOTROLA, SONY-ERICSSION,and other cellphone with Mini USB), laptop ( 8 kinds of transfer connector, can charge almost every type of laptop) MP3 \ MP4, PDA，IPOD , PSP, GPS , digital cameras and other digital products.
7.also with AC home charger and DC car charger.
8. The style, logo, and color of the backpack can be designed as the customer needs.
9.The specification of solar panel and battery can be produced,for different customers' needs.