Save the batteries for when you're away from home. This AC adapter plugs you into endless hours of playing, not to mention saves you a bundle on batteries. This high quality adapter is designed specifically for your Casio Keyboard.
Extend your battery life by using this optional AC adapter while you're at home or near an electrical outlet. This AC adapter works with CPS-7, CPS-85, CTK-711EX, CTK-811EX, PX-100, PX-300, PX-500, WK-1200, WK-1250, WK-1300, WK-1350, WK-1600, WK-1630, WK-3000, WK-3000DX, WK-3500.