power sources for backpacking

5 Cool, Portable Eco-Power Sources for Backpacking

Plan on going on an extended trek in the backcountry? Advancements in technology, both in renewable energy, as well as the efficiency & capabilities of hand-held devices/gadgets have converged to create a unique market – portable eco-power sources for your USB powered gadgets. MINIPAK 2W by Horizon Fuel Cell Technologies…

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