Japan-based Nendo has unveiled Denqul, a power bank unlike any others on the market today, as it enables users to charge the device by simply using kinetic energy. In other words, a swivel hinge and internal dynamo are used to generate power by simply twirling it for a few minutes. It’s capable of charging devices with a conventional cable or a special table-top cup set for wireless charging. Continue reading for more pictures and information.
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