The used M900 that I bought this summer came with the wrong battery in it and I've replaced it. The battery that was in it is a new Ducati Motor (GS) sealed "valve regulated" type and is in great shape. I'm not sure how to ship a battery (drain it?), but we can work something out. The model number is GT12B-4. I have no idea what Ducati model(s) it fits, but it doesn't fit a 97 Monster 900. Contact me at [email protected] if you're interested and make me an offer. It's either sell it or return it to the store for my core charge ($5). I'm thinking it would cost $100 at the dealer, so here's your chance to pick up a new battery for a song. . .