If anyone is looking for a replacement battery for the HP-9114A/B HP-IL disk drive this appears to be a good solution. I picked up three of them recently and they are a drop in replacement at a higher (claimed) capacity rating than the original.
http://www.atbatt.com/sealed-lead-acid-batteries/b/panasonic/m/lc-r062r4pu.asp
The usual disclaimers apply -- I am not affiliated in any way... etc, etc.