The company
M2E Power , in early 2008, announced its technology for converting kinetic energy into electrical energy, was finally honored to announce the development of a commercial product designed to charge mobile phone batteries.
The idea of charging a battery, based on the principle of converting kinetic energy into electrical energy, is not new. But M2E states that they were able to develop a technology that allows generating from 300% to 700% more energy than all existing analogues today. And, since the development was primarily conducted
for the military , I am inclined to believe this statement.

Development M2E consists of a small coil / generator of magnetic pulses and a conventional battery and allows you to convert even low-frequency kinetic energy: almost any human movement can be converted into electricity, which is sufficient for devices such as mobile phones, PDA and MP3-players. In addition, M2E plans in the future to produce standard D, AA and AAA batteries, charged according to the same principle.
M2E is already negotiating with manufacturers. And plans to begin production of such devices in 2009. Wait until the sale will be phones that charge themselves while we bring them to your ear, it did not last long. Two or three years.
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via
Gizmodo