WTB crappy NES/SNES carts w/ battery backup
I want to experiment with the guts of NES/SNES carts. However, I would prefer to be tearing apart and potentially break games no one really cares about.
For this reason I'm hoping to buy a few stacks of poor condition (but functional), or very low demand NES/SNES games that have a battery back up. I'm hoping I can find one or two members with a bunch I can buy (to reduce shipping costs). I don't care if it has marker all over it, cracks in the case, no label, or even is only the board. I just want it to be a game featuring battery back up, is functional (battery can be dead), and to get as many carts I can at as cheap a price I can get them.
I'm looking for roughly 25-50 carts to start off. However, it all depends on the rates I can get them at.