Solar backpack 1.Fabric:Silk 2.The board of solar energy: 0.9W 3Application mobile phone ipod MP3 Solar backpack 1.Fabric:Silk2.The board of solar energy:0.9W 3.pcs/ctn:20pcs4.Export voltage(V):5.5V5.Application:mobile phone, ipod,mp3 6.G/W(Kg):7KGS7.Certification:CE/ROHS8.Carton size(cm):49*33*50cm9.MQ:500pcs10.Ni-MH battery pack (without batteries)11.1800 MAH Lithium batteries Solar backpack