Amazon.com: MaxLLTo™ 6 FT Extra Long AC Power Replacement Adapter for Casio LK-40 LK-50 LK-55 LK-73 LK-90TV LK-200S LK-210 Keyboard Charger Power Supply Cord : Musical Instruments
DC 9V Power Supply Adapter for Casio LK-110, LK-200S, LK-210 Keyboard Piano | eBay