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Bucherm
06-15-2011, 19:15
Maybe not exactly for a Long-distance hiker... (http://www.wired.com/gadgetlab/2011/06/power-generating-saucepan-charges-cellphones/)



I know what you’re thinking. You’re thinking “boiling water in a saucepan over an open fire is so wasteful. If only there were some way to use that excess heat to charge my phone…” Luckily for you, dear Gadget Lab reader, I have unearthed the perfect solution: The Hitochaja HC-5 is a pan which generates electricity.

As the water boils, the pan uses excess heat to generate electricity. The maximum output is 400mA, and it will provide a five volt DC, 2 watt supply to your chosen device. This is enough to charge an iPhone in “just” 3-5 hours.

I guess if you keep a pot boiling on a fire anyway, this might be a good solution. I can’t help think that all of the water and wood involved in keeping this thing going for five hours is more than a little wasteful, though. Weird as it may seem, the Hitochaja HC-5 is actually on sale in Japan, for ¥23,000, or $285. What?!


http://www.wired.com/images_blogs/gadgetlab/2011/06/potboiler.jpeg

atraildreamer
06-16-2011, 11:06
..."there is nothing new under the sun"... to quote the Good Book. :)

It/s been done before:

http://blog.modernmechanix.com/2005/11/18/kerosene-radio/