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Source: YOLK

This Tiny Solar Panel Can Charge Your Smartphone In Two Hours

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We all know how useful portable USB chargers are. But there's just one problem: They, too, need to be charged. What if you're on a long hike or a road trip? What if you forget to charge it and you're phone is running out of juice. The solution, like so many of the world's problems, is solar.

The folks at YOLK, an innovative solar power company, have just released the most useful portable solar charger to date: Solar Paper. Dubbed "the world's thinnest and lightest solar charger," this tiny device is paper-thin, ultra-light and highly efficient—it can charge your smartphone in two hours, or the same time as a wall charger.