Gallery: Voltmaker Kinetic Charger Powers Your Smartphone With a Flick ...


No matter how diligent you are at charging your smartphone before leaving the house, there is always some point where you find that your battery is on its last legs – and it’s usually when you need to make an important call. The Voltmaker is a ratchet-inspired kinetic charger that lets you power up your phone with a simple flick of the wrist. The prototype charger of an aluminum tube that houses a 2000 mAh Li-ion battery – a few minutes of vigorous motion creates enough juice for a brief phone call, or to switch on an integrated LED light.

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1 Comment

  1. Dave Staples August 14, 2013 at 12:41 pm

    I am curious as to whether any of my Facebook friends has ever bought a device like this, used a device like this or has any advice or recommendations as to how they work, how much they cost and which are the most reliable. I’ve grown to love my Amazon Kindle, but sometimes forget to recharge it.

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