NEC mobile pro 780 back-up battery replacement protocal

could someone help me, i dont even know where to find the back-up batterry
Link

I haven't stared at this disassembly set of instructions lately, but I think that among other things, the "backup" battery is shown or described or some such.

(DON'T forget to back up!)

I assume it's perfectly fair to post a link to [John's] stuff.

http://hpcnec.com/scgi-bin/simpleforum.cgi?fid=09&topic_id=1149597169