Replaced with a new battery. Torneko's Great Adventure Shiren the Wanderer Tested and working on Super Famicom. Disinfected with anhydrous ethanol. Please judge the condition of the cartridge from the images. Please purchase only if you are satisfied. The cartridge terminals have been cleaned and polished with anhydrous ethanol and a polishing compound to remove dirt. While the cartridge starts almost immediately on my console after this maintenance, there is no guarantee it will start immediately on other consoles. This is an old product from several decades ago, so it may require multiple insertions and removals to start.