It’s never been so easy to utilize portable solar energy while on the go your devices run out of juice. EnerPlex offers Pack an awesome USB Solar Charging Backpack. It is ultra lightweight and flexible to carry anywhere and recharges your smartphones, cameras, laptops on the go. The 3 Watt portable Solar panels (with 5V USB output) are flexible and have almost no weight to be kept inside the bag or attached outside. Apart from the prominent solar panel feature, the backpack includes 2 bottle holders, 2 compartments having pockets for tablets, laptops, stationery items, adjustable shoulder and waist strap.
Available at amazon.com for $100