Denqul Hand-Crank Charger - Just Spin and Charge the Battery
Denqul Hand-Crank Charger
Just Spin and Charge the Battery
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Hunter's comment
Japanese company Nendo has come up with a unique charging device that allows you to spin around the rod-shaped device which charges the 5000mAh battery inside, good enough to charge a mobile phone once or twice.
In Prototyping stage, this minimalistic charger generates charge as per Faraday's Law. On spinning the rod, a coil of wire turns about a magnet inside the device causing a change in magnetic flux. This produces voltage and in-turn charges the Lithium battery.
It will probably be accompanied with a cup charger to place phone and charge it an stylish and elegant manner.
Link
http://www.nendo.jp/en/works/denqul/
Contributors
Hunter: @rjoshicool
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Wao what a stylish and unique invention.it has5000mAh battery which is good enough to charge cell phone.according to me it is so useful invention.great invention