Perhaps you can say it’s because it has something to do with Earth Day (22 April 2005), or perhaps you can say that we just like well-designed products that provide utility with style, but we thought we would try out the Voltaic Backpack…. The solar panels ( 10V peak voltage, 400mA peak current, and 4W peak power), which charge a 2200mAh @ 7.2V lithium ion battery pack, are well-integrated into the bag itself. . . . → Read More: Review: Solar backpack


