Kinetic charger juices up your mobile when you move around

I know that many of you are skeptics about the idea that kinetic energy can generate enough charge to juice up one of your gadgets. But for roughly $150, you can give the idea a try.

I know that many of you are skeptics about the idea that kinetic energy can generate enough charge to juice up one of your gadgets. But for roughly $150, you can give the idea a try.

Tremont Electric has begun to sell something called the nPower PEG, which it describes as a "wearable generator."

When placed vertically in a backpack, briefcase or somewhere else on your person, the nPower PEG will collect and store a charge simply because you're walking around. Or running. Or whatever.

The device can be used to top off numerous sorts of mobile devices, such as phones, cameras, GPS devices, or MP3 players. It is made out of titanium, weighs 13 ounces, and is 9 inches long, with a center diameter of 1.5 inches.

The nPower concept was dreamed up by Tremont Electric's founder, Aaron LeMieux, who got interested in the idea of how to keep his radio and CD player charged during a long hike on the Appalachian trail.

nPower is being used for developing other gadgets -- everything from wearable biomedical devices to commercial-scale wave energy converters.

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