I used to rebuild my own bats, but I found out that Batteries Plus will do just as good a job and not cost much (if any) more than me buying the cells...

That was going to be my suggestion. Drill a very small hole - maybe very shallow as well - and mark it with a marker to make it stand out. But even ...

Been there, done that. A picture is indeed worth a 1000 words!

I have done one a couple of times dealing with "Historical Resources on the Web for Surveyors".