If you were put off by the price of Goal Zero's Sherpa, then here's something that might be more deserving of that slot in your backpack. The Switch 8 Solar Charging Kit costs $100 and bundles together a 2,200mAh battery and Nomad 3.5 solar panel. The manufacturer says that the 8-watt dynamite-shaped battery can be tanked up via sunlight in six hours, although this time can be reduced to four if you use a USB power source before you head
