DC 9V Power Supply Adapter for Casio CTK-574, CTK-591, CTK-601 Keyboard Piano 5055329377307 | eBay
Casio Keyboard CTK-700 Compatible Power Supply Cable & in Car Charger
9V 1A AC/DC Adaptor Adapter Power Supply wall Charger For Casio CTK-700 CTK-800 CTK-900 CTK-2000 CTK2100 Keyboard US EU UK Plug - AliExpress Consumer Electronics
casio universal keyboard adapter from Sears.com
9V AC/DC Adapter Charger Power For Casio CTK-671 CTK-691 CTK-700 CTK-720 707943779085 | eBay
Amazon.com: LIANSUM 9V AC DC Adapter Power Cord for Casio Keyboard Piano AD-5 WK-110 WK-200 CTK-2100 CTK-496 LK-220 LD-50 HT-700 CA-100 CTK-710 CTK-720 Replacement Original Chargers AD-5MU / AD-5MR Supply Cable :
Amazon.com: AC Adapter for Casio CTK-700 CTK700 Keyboard Charger Power Supply Cord PSU : Musical Instruments