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Smartphone Charger Powered by Fire

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Published on May 1, 2013

Portable, Compact and Adjustable ThermoElectric Emergency Generator.
Full info: http://www.instructables.com/id/Batte...

Use any heat source to produce electricity for your USB-gadgets, chargers or lights.
*Adjustable voltage (2.7-5.5V)
*Adjustable cooling fan
*Adjustable temperature monitor
*Adjustable voltage limiter
*Adjustable height
*2x voltage regulators
*409g
*90x90x80mm
*Tested at 1.8W output power (excluding cooling fan of 0.7W)

Update:
Took away the cardboard insulator (could not handle the high temperature). Seems to work almost as good.

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