The battery-size product, the M2E, harnesses kinetic energy, or normal physical movement, to generate power. Clipped onto a belt or carried in a knapsack, the entire generator is contained within a regular battery casing. The wearer's walking or shaking moves magnets in the device. Those magnets infuse the wire coils with energy that can be used to power mobile devices
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Kinetic energy storage unit - 1 views
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