> So, it would be interesting to know if the packs have a protect circuit in
> them. I'd be surprised if they did not.

All-battery sells individual cells, but only after you post them a
signed waiver for liability, expressing that you understand the issues
and hazards.  They also sell a couple of different protection boards,
which I use with their cells.

>From the picture at the sparkfun link, I don't see any evidence of such a board.
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist