9V AC Power Adapter For Casio LK220 LK-220 Keyboard Wall Charger Power Supply Cord PSU 9V AC Power Adapter For Casio LK220 LK-220 Keyboard Wall Charger Power Supply Cord PSU Input: AC 100-240V, 50-60Hz; Output: DC 9V 850mA, Tip : Center(-)Outer(+). Great for Casio 9V 850mA(or below)Replacement,US Standard Plug Compatible with:Casio LK-220 LK 220 Electronic Keyboard. 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.