The Solar 7 directly charged a smartphone from 10 percent to full in a little over two hours. Still, its 7.2-Watt, 5V/1A output packs a punch. Plus, this sun-absorber weighs a mere 8.1 ounces. But it folds down to about the size of a smartphone-just under 7 by 4 inches. The Solar 7, which collects but doesn’t store solar energy, only eats up a tiny bite of pack space and can even tuck into a roomy pants pocket it’s perfectly designed for hikers who want unlimited energy (well, as long as the weather cooperates) on multi-day hikes. In fact, we couldn’t find another contender that delivered the same combination of size, weight, and performance. The Box Synergy Solar 7 ($85) is the first such product to earn an Editors’ Choice Award, checking all the boxes with an extra-thick Sharpie: it’s light, compact, durable, and powerful-everything a backpacking solar panel should be. As long as they harness energy from the sun and charge your devices on a long trek, they’re all the same, right?Īctually, no.
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