For those that missed this one in a previous discussion on leaking batteries here are some batteries that will work in your Amiga. One or all is probably stocked at your local electronics store.
Manufacturer -- Part/Model#
Daytona Industries, Inc. -- COMP-16-3P
AT&T -- 6300, 6300+
COMPUTERLAND -- BC88, 286
HYUNDAI -- SUPER 16TE