That can't be right, I thought. Because it didn't match up with my childhood memories. But, it seems the cartridge itself (and not the gameboy which I incorrec

That can't be right, I thought. Because it didn't match up with my childhood memories. But, it seems the cartridge itself (and not the gameboy which I incorrectly assumed from your post) has a battery which according to internet[1] lasts about 15 years. https://www.reddit.com/r/Gameboy/comments/4w8xjf/guide_how_to_backup_your_game_save_files/ https://www.reddit.com/r/Gameboy/comments/4w8xjf/guide_how_t...