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Amazon.com: 9V Piano Supplies Power Adapter Replacement Casio Keyboard Power Cord 6.6Ft Mirco USB Charger Cable for AD-5 AD-5MU WK-200 LK-43 LK-220 CTK-496 CTK-700 CTK-720 CTK-2100 with : Musical Instruments
Amazon.com: GSParts AC Adapter Power Cord for Casio LK-100 LK-220 LK-43 WK-110 Keyboard Charger : Electronics