MaxLLTo 9V Power Supply Cord Charger, 6 FT Extra Long Replacement AC Adapter for Casio Keyboard CTK-500, CTK-501, CTK-510, CTK-511, CTK-515, CTK-518, CTK-519, CTK-520, CTK-520L, CTK-530
Sweet Casio CTK - 501 / 518 MIDI Keyboard with Power Supply Cord | Reverb