TestFreaks tried the Poweradd Apollo 7200 mAh Solar Battery Charger
A quote from the article:
Solar power is everywhere around us, it's the sun after all, and last I checked there's few trillion or so years left of life in it so I figure why not take advantage of it? Today for review I?ve got the Apollo Solar USB Charger from Poweradd and it's basically a large solar panel with a USB port on it to charge your devices while on the go, wherever you go. The Apollo can be charged by the sun obviously, but it can be also charged over a standard USB port if need be. So read on to learn more?Poweradd Apollo 7200 mAh Solar Battery Charger Review @ TestFreaks