MaxLLTo 6ft Extra Long 9V 850mA AC Power Replacement Adapter For Casio CTK-700 CTK-800 CTK-900 CTK-2000 CTK2100 Keyboard Wall Charger Power Supply Cord High Quality AC Wall Power Charger, special design for keyboard use, Length: 6 FT Input: AC 100-240V, 50-60Hz; Output: DC 9V 850mA. Tip : Center(-)Outer(+). Great for Casio 9V 850mA(or below)Replacement, US Standard Plug, Short circuit Protection.Light in weight and with heavy-duty cable-wire. Note: Please make sure the DC output and tip size of ac adapter are accordant before you bid. Industry Quality : Over Voltage Protection, Over Heat Protection, CE Compatible with: Casio CTK-700 CTK-800 CTK-900 CTK-2000 CTK2100 Digital Electronic Keyboard.