My brother gave me his Glacier GBA about 12 years ago, I enjoyed it so much as a kid, sadly I lost it. This MadCatz battery cover (and the games) is all
GBA - Console Glacier Clear Nintendo Gameboy Advance w/ Battery Cover – vandalsgaming
New Clear Purple "glacier" Battery Cover - For Game Boy Advance - For Gameboy For Gba Atomic - Cases - AliExpress
Game Boy Advance USB-C Battery Cover for CleanJuice GBA | Hand Held Legend