GBA 3in1 expansion pack alternatives or similar products?

GBA 3in1 expansion pack alternatives or similar products?

monkeyman4412
Jul 11, 2019 at 3:45 PM
Specifically looking for a expansion pack like that, as I already have a slot 1 flashcard. And so is there anything more up to date or better than the original 3in1 expansion pack? Since I heard it has battery issues. And I'm specifically looking for one that does include a memory upgrade and rumble.

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