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Part Two shows installation of the battery warming tray inside the back-seat battery box in the Electro-Metro, my home-built electric car.

Warming the batteries improves winter range. Because the battery box is where the back seat was, any heat escaping from the battery box simply helps warm the inside of the car. 

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Bio: Ordinary guy with no special skills, just trying to change the world one backyard invention at a time. See more at: http://300mpg.org/ On ... More »
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