I just changed these batteries myself ($40 value). One is Japan region in a US case and the other is all original USA region.
$75 each or trade for dead carts.
I also have several Jojo and Jojo2 carts with recently replaced batteries if anyone is interested.
$75 each or trade for dead carts.
I also have several Jojo and Jojo2 carts with recently replaced batteries if anyone is interested.