PSA: If you're going to replace the battery in an old cartridge, do it properly. With solder. : r/retrogaming
Game Boy Advance Cartridge Battery Replacement - iFixit Repair Guide
Send in Service: Gameboy / GBC / GBA / Super Nintendo SNES / | Etsy Ireland
How to change a Game Boy game battery without soldering - Gamer By Mistake
Revive your dead Game Boy cartridges with a new battery - Make:
How to replace a GameBoy cartridge battery without losing saved data - Gamer By Mistake
How to Change Game Boy Cartridge Battery : 8 Steps (with Pictures) - Instructables
Game Boy Advance Cartridge Battery Replacement - iFixit Repair Guide
Save Battery Replacement Service – Game boy, Pokemon, N64 SNES – GeekGearStore
GameBoy Color games do not save any more - Retrocomputing Stack Exchange
Gameboy color / pocket / GBA - cartridge save battery replacement service | eBay
GameBoy Color games do not save any more - Retrocomputing Stack Exchange
How to Change Game Boy Cartridge Battery : 8 Steps (with Pictures) - Instructables
How to Change Your Game Boy Cartridge Battery (Quick & Easy) - Howchoo
How a Gameboy cartridge looks on the inside – AllAgora
Game Boy Advance Cartridge Battery Replacement - iFixit Repair Guide
How to replace a gba game battery? (with pictures, videos) Answermeup
How to replace Game Boy cartridge battery. - YouTube
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.