My first time replacing the battery :) How did I do? : r/PokemonEmerald
Save Battery Replacement Service Game Boy, Pokemon, N64, SNES,& More - Etsy
Replacing the battery in a Nintendo Gameboy Advance Game || Pokemon Sapphire Clock Based Events Fix! - YouTube
Amazon.com: taessv 12 Pack CR2025 Battery, CR2025 3V Lithium Battery for Pokemon, Pokemon Crystal, Gameboy, Gameboy Color Game Battery Replacement : Video Games