The Best Backpacking Electronics of 2018

“Our take Scratch, puncture, or tear your PowerKeep, and it will still work. The secret: no glass. Instead, Energizer uses Ascent Solar panels made with something called copper indium gallium diselenide. The thin-film material can be implanted into flexible materials—like the ultrabendy PowerKeep solar panel. If you bust part of it, the rest still works (like the way a strand of Christmas lights will work even if one bulb goes out).”

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