solar energy laptop backpack 2.4W charger for cell phone,MP3,CD ... with silk-printing workshop Reply you in 12 hours solar laptop backpack,solar bag,solar energy backpack Specifications:Model No.:DC-S012Material:600D/PVCSize ... etc.one main compartment with front pocket,with 2.4W solar chargertwo mesh side pockets,adjustable shoulder strap and padded back ...