Portable Generator

Estream is a new portable hydropower device that could convert running water into electricity that could be used to power smartphones and other USB devices. Estream is about the size of a water bottle and weighs at least 2 lbs.  Once dipped into running water, the turbine rotates and generates electricity, which will be stored in Estream’s built-in 6,400mAh lithium-ion battery that takes about 4.5 hours to charge.

 

http://www.natureworldnews.com/articles/27776/20160830/portable-generator-charge-gadgets-water.htm

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