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Smartphone Charger Uses Wrist Movements To Power Up

Smartphone Charger Uses Wrist Movements To Power Up
technology

Off-grid charger lets you generate enough juice to make an emergency call.

Ross Brooks
  • 28 june 2013

At the times when your phone is about to run out of energy, it’s safe to say you probably have plenty to spare. The Voltmaker is a device that allows you to make use of that extra energy in order to charge your phone – all with the flick of a wrist.

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