Amazon.com: MaxLLTo™ 6 FT Extra Long 9V AC Power Adapter for Casio LK100 LK 100 LK-100 Keyboard Wall Charger Power Supply Cord PSU : Musical Instruments
HQRP AC Adapter / Power Supply for Casio CTK-80 / CTK80 / CTK-100 / CTK100 Keyboards Replacement - Walmart.com
Amazon.com: HQRP AC Adapter/Power Supply for Casio CTK-720 / CTK720 / CTK-731 / CTK731 Keyboards Replacement [UL Listed] Plus HQRP Euro Plug Adapter : Musical Instruments