Hobbyist or repairer · for some experience
Fixing eBay Junk - Game Boy Cartridge Battery Replacement
About this video
Replacing the save battery in a Game Boy cartridge takes a CR2025 with tabs, and the maker says the same job suits NES, SNES, Sega and some N64 games.
Good to know: Leaked residue is corrosive. Use a cell with solder tabs already fitted and solder only the tabs, never put an iron on the cell itself, and never short or charge it. Soldering means burns and fumes.
Why watch it
Two cells are named, a tabbed CR2025 and a CR2032 of higher capacity that the maker describes as fine to use, so check which fits your cartridge before ordering.
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