... bag,solar energy backpack. 1)power supply for laptop,mobile phone,MP3/MP4 2)Solar Panel:18V,180MA, ... MP3 / sunglasses pouch inside, Optional clip in padded laptop sleeves, Bladder pouch and channels to run the tube ... shoulder strap, Includes a 2,200mAh Li-Ion battery pack with 3 voltage settings to store solar power ... .When not in the sun, the battery can be charged using the AC travel charger or ...