Estream Portable Water Power Generator for Smartphones
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So you are planning to spend time outdoors but are worried about your smartphone or other gadgets running out of battery? Estream is a water power generator that converts any type of moving water into stored energy for your gadgets. It fits in a backpack and can be used to charge any USB device.
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The generator produces 2.5 to 5W of energy. It has a 6400 mAh battery and ABS + polycarbonate body. Ships in 2017.
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