The Voltaic Solar Backpack
The Voltaic backpack is a mobile power source, designed to charge your gadgets without tying you to a power outlet. Embedded in the back of the bag are three tough, light weight, waterproof solar panels, which generate up to 4 watts of power. Inside the bag is a Li Ion battery pack. As in a solar powered house, the battery stores energy so it is available when you need it, not just when the sun is up. The battery pack can also be charged using the included AC travel charger or car charger. So you...
