If you spend a lot of time camping out in the wild, or cooking your meals on open fires, a new USB cooking pot might be an excellent way for you to charge your smartphone while away from the grid.

The new USB cooking pot or Hatsuden-Nabe uses excess heat to charge your smartphone keeping it topped up while you prepare a brew. Developed by TES NewEnergy Corp., the Hatsuden-Nabe transforms waste heat into electric current.

The 16 cm diameter pot, has a thermoelectric material developed by TES NewEnergy Corp, at its base that takes advantage of a phenomenon known as the Seebeck effect. It uses the temperature difference between the heat source (~ 550 ° C) and water boiling (~ 100 ° C) to generate an electrical current of about 200 ~ 250 mA, enough to recharge a smartphone in 3 ~ 5 hours.

The new USB Cooking pot Hatsuden-Nabe is now on sale in Japan for $280

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