Casio 12UM AC Adapter
Extend your battery life by using this optional AC adapter while you are at home or near an electrical outlet. Adaptor for models WK-1300/1350, CPS-7, CPS-85 (included).
Works with the following models:
CPS-7, CPS-85, CTK-711EX, CTK-811EX, PX-100, PX-100CS, PX-300, PX-500, WK-1200, WK-1250, WK-1300, WK-1350, WK-1600, WK-1630, WK-1800, WK-3000, WK-3000DX, WK-3500
One year parts and labor warranty on all keyboards (includes power supply).