Most Game Boy (Original, Color and Advance) cartridges that allow games to be saved contain a small internal battery to store your save states. Over time, this battery degrades and needs replacement.

Use this send in service to get 1 Game Boy, Game Boy Color or Game Boy Advance games internal battery replaced with a brand new one.

• Once you have placed your order, you’ll get shipping info.
  After receiving your cartridge the following steps will be done to your cartridge:
• Open it up
• PCB cleaning
• Contact pins cleaning
• and finally replacing the game save battery with a brand new battery.