I'm not so sure about the accuracy of the battery specification in the article below--28 kilowatt-hr--but it would be great to get one and try it out! :-) 73, Len http://www.foxnews.com/story/0,2933,586558,00.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+foxnews%2Flatest+%28Text+-+Latest+Headlines%29