Pearl doesn't have one, Ruby does, but it's only to run the clock and if there are several ways to fix it without actually changing the battery, though they involve connecting up with other games.
once i find it ill have a looksie ^^ (yes its in a box somewhere xD)
---------- Post added 2013-01-03 at 10:00 PM ----------
think i just killed the thread xD, any streams up tonight btw?
bought myself a notebook today so i can write on the train ^^