Casio AD-E95 9.5V Power Supply
The AD-E95100B Power Adapter works with the following Casio models: (and usually with newer models that have similar names, if you don't see yours)
CTK-1100, CTK-1150, CTK-1200, CTK-2080, CTK-2300, CTK-240, CTK-245, CTK-3200, CTK-4200
LK-120, LK-125, LK-127, LK-160, LK-165, LK-240, LK-247, LK-280
SA-46, SA-47, SA-76, SA-77, SA-78
WK-220, WK-225
XW-G1, XW-P1