http://www.ebattonline.com/index.html They make one for the 230. Looks like the initial reviews in the TT product review forum are pretty positive/good. This is a very interesting opportunity for those with a battery gone bad and needing replacement. The added bonus is dropping 3 pounds or so. We always make fun of the weight reduction questions, but this might be a decent option. We spend more on aftermarket exhaust to drop about the same amount of weight. I am not associated with the maker/distributor, just intrigued and interested.