How to replace a GameBoy cartridge battery without losing saved data - Gamer By Mistake
Nintendo Gameboy Game Cartridge Battery Replacement – VideoGamePerfection.com
Save Battery Replacement Service – Game boy, Pokemon, N64 SNES – GeekGearStore
Save Battery Replacement Service – Game boy, Pokemon, N64 SNES – GeekGearStore
my copy of pokemon silver cartridge shipped with a bad save battery. i'd only be able to get to the fourth gym or so before the batteries in my gameboy would die.