thinkgeek
Piggyback Solar-powered Gadgetbag
ThinkGeek has started selling the Piggyback Solar-powered Gadgetbag that can be attached to your backpack. The gadget has a built-in solar panel with an output of 1000mA at 5.6 volts, which is enough to charge your power-hungry iPhone. The Piggyback also has an 800mAh Lithium-ion backup battery pack, a USB cable and two zippered pouches. If you are interested, you can purchase the Piggyback Solar-powered Gadgetbag for $119.99. [ThinkGeek]
