Not my auction. I've heard good things about this seller around the forum, and decided to buy a replacement before my RH1's dies.
http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=230822936084&ssPageName=ADME:L:OC:US:3160
I wonder what are we going to do when no more are available. Anyone been able to build an external battery box for the RH1?