Save Battery Replacement Service – Game boy, Pokemon, N64 SNES – GeekGearStore
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5X CR1616 SAVE BATTERY REPLACEMENT W/ TABS! GAMEBOY COLOR GBA ADVANCE! POKEMON! | eBay
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How to change a Game Boy game battery without soldering - Gamer By Mistake
Amazon.com: CR1616 Batteries with Tabs,12 Pack CR1616 Lithium Replacement Save Battery for Nintendo Game Boy, GB Color, Advance and Pokemon Games : Video Games
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.