Power Supply AC Adaptor CASIO AD-5: CTK-541 CTK-550 CTK-551 CTK-555L CTK-560L | eBay
Amazon.com: MaxLLTo 6ft Extra Long 9V (Extra Long 6FT Cable) for Casio Piano Keyboard (CTK, CA, MA, HT, LK, CT, Series) AD-5 AD-5MU AD5MU AD-5MLE AD-5GL AD5 Power Supply Cord Charger :
Casio AD-5 adapter 9v | Reverb
9V 1A AC/DC Power Adapter Charger For Casio CTK-401 CTK-150 CTK-120 WTAD5 AD5 | eBay