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The simplest and easiest way to charge a battery with a solar panel is to connect the panel directly to the battery. Assuming the panel has a diode to prevent energy from flowing through it from the ...

The official ALLPOWERS Amazon storefront is offering its 140W Portable Solar Panel for $146 shipped. Down form $210, today’s deal marks a return to the lowest price that we’ve seen only once before.

Back in “ye olden days,” hikers and campers explored the backcountry (and sometimes even the front-country) without the luxury of modern electronics. They were forced to rough it with only the most ...