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How to Keep Your Gadgets Charged Outdoors

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Phones, cameras, navigators, and other electronic devices have become essential tools outdoors. So how do you keep them powered up while you’re off the grid? Wes Siler has solutions for both human-powered and vehicle-based adventures. With his simple formulas, you can determine the right battery and generator capacities for your own personal needs. Turns out, it’s a lot simpler than most people think.
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