MaxLLTo Replacement AC Adapter For Casio CTK 519 CTK 520L CTK-519 CTK-520L Keyboard Power Supply Cord Charger PSU Output: 9V ; Length: 6 FT , special design for keyboard use Input Voltage : AC 100-240V / 9V 850mA(or Below) Input Frequency : 50-60Hz Adapter Great for Keyboard Power adapter Replacement,US Standard Plug, Short circuit Protection.Light in weight and with heavy-duty cable-wire. Compatible with: CTK 519 CTK 520L Keyboard. Tip : Center(-)Outer(+) MONEY BACK GUARANTEE -MONEY BACK GUARANTEE - We are Company that wants your Repeat Business so, if You Do Not Like our Product or Don't Want It For Any Reason, We Will Happily Accept The Return and Give Your Money Back. No Questions Asked. 30 Days Money Back Guarantee - 24 Months - Exchange.