The Daily Dose

After a week using BirkSun’s solar-powered bag exclusively, I can honestly say I’m hooked. Why we don’t have solar panels on all our backpacks is beyond me, but the ability to charge a device without having to worry about first charging an external battery is a godsend — especially here in California. A single solar panel on the face of BirkSun’s bag sucks power from the sun and stores it in a small battery inside a zipper pocket. While the power station isn’t a large one, it’s fully capable of completely charging a dead iPhone. In fact, BirkSun says it can charge it…

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