Casio Keyboard CT-470 Compatible Power Supply Cable & in Car Charger
Guy-Tech AC / DC Adapter Compatible with Casio Casiotone CT-450 CT-460 CT-470 CT-310 CT-395 CT450 CT460 CT470 CT310 CT395 Casio tone Piano Keyboard DC 9V Power Supply - Walmart.com
CASIO CT-470 CASIOTONE KEYBOARD POWER SUPPLY REPLACEMENT ADAPTER UK 9V | eBay