Soldered Battery to a Gameboy Advance Game PCB so it can save, it still does not want to save. | TechPowerUp Forums
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![A Showcase of the Internal Construction of the Game Boy Advance Cartridge | A Technophile's Indulgence A Showcase of the Internal Construction of the Game Boy Advance Cartridge | A Technophile's Indulgence](https://rakanalysis.files.wordpress.com/2012/08/doom1.jpg)