Cell batteries can recharge via kinetic energy

null The music company Orange and renewable energy firm Got Wind teamed up to create a device called The Dance Charge.

It weighs just over six ounces, and you can strap it on your arm. The device uses kinetic energy generated by your body motion to charge your phone battery.

A prototype of the device will be shown and tested at this year's Glastonbury Festival in the United Kingdom.

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