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From The Archives – Recharge your phone by walking around


Powered by article titled “How to recharge your phone (or MP3 player) by walking around” was written by Charles Arthur, for on Wednesday 5th January 2011 07.00 UTC

Charging your electronic gadgets by walking? Sounds like the sort of thing you used to do with self-winding watches. But Tremont Electric has developed the nPower PEG which generates electricity and refills its battery from your movement: simply put it vertically into a backpack or other bag and as you walk, it charges. At 0 – to go on sale later this year in the US – it’s a straightforward idea for harvesting what would otherwise be surplus energy. (It works by moving a magnet through a coil – which of course generates an electric current, as demonstrated by Michael Faraday in 1831 – but adds some patented technology.

Here’s Jessica Davis, director of PR and sustainability for Tremont, explaining how it works. It really is pretty neat – and sustainable, indeed. © Guardian News & Media Limited 2010

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