More gadgets like this: here
Meet the Solar Page: a solar charger for your binder that charges your iPhone 6 from 0% to 100% in 2.5 hours. It is compact and lightweight but offers solar efficiency of 22%. It has the same output of 5V/1A as a regular wall charger. The built-in Micro USB or Lightning cable lets you charge your smartphone conveniently. The below video shows how this solar charger works:
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