Classifieds
As above, new or used, would also take the old 38120P or 8S of the S types (any format) or even LifeBatt X-1P.
Or if anybody from the UK wants to split and ship onwards from http://www.eclipsebikes.com/headway-lifepo4-38120hp-p-1094.html
Same problem with this and this - the guy still has some...