Solar backpack,solar bag,solar energy backpack. 1)power supply for laptop,mobile phone,MP3/MP4 2)Solar Panel:18V,180MA,3.24W Solar bag with four solar panels, ... can charge mobile phone/mp3,mp4/radio/digital camera/ipod. Solar ... Includes a 2,200mAh Li-Ion battery pack with 3 voltage settings to store solar power.When not in the sun, the ...