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A closer look at the Ampy kinetic external battery (pictures)

This flask-shaped gadget can generate power while you walk. Not much of it, though.

Sean Hollister
When his parents denied him a Super NES, he got mad. When they traded a prize Sega Genesis for a 2400 baud modem, he got even. Years of Internet shareware, eBay'd possessions and video game testing jobs after that, he joined Engadget. He helped found The Verge, and later served as Gizmodo's reviews editor. When he's not madly testing laptops, apps, virtual reality experiences, and whatever new gadget will supposedly change the world, he likes to kick back with some games, a good Nerf blaster, and a bottle of Tejava.
Sean Hollister
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1 of 8 Sean Hollister/CNET

Ampy Move

The Ampy Move, about the size and shape of a hip flask, is an external battery that charges whenever you move your body.

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Ampy Move

You can attach it to your hip with the optional belt clip, stick it in your pocket, use a wrist or leg strap for running or cycling, or just throw it in a bag.

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Ampy Move

Sadly, it doesn't generate a lot of electricity. It takes an estimate 60+ hours of running to fully charge the 1,800mAh battery -- which is smaller than the one in many phones.

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Ampy Move

You can top it off with a Micro-USB phone charger, though. The device contours nicely to a leg or arm.

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Ampy Move

The Ampy Move has two buttons. The one on the left activates four white LEDs that do a poor job of indicating the charge level. If you hold down the right button and shake the device, a blue LED lights up to let you know you're generating a charge.

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6 of 8 Sean Hollister/CNET

Ampy Move

Here's the optional belt clip that comes in the $130 package. (The device alone is $100.) It holds the Ampy Move securely, but isn't quite as secure as we'd like on a belt or jeans.

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Ampy Move

Depending on your jacket, you can cover up the device while you exercise.

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8 of 8 Sean Hollister/CNET

Ampy Move

One last picture of the Ampy Move.

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