Amazon.com: Replacement Casio DC 9V / 9 V Volt Adapter Power Supply Cord and plug AD-5, AD-5E, AD-5MLE, AD-5MLE-TC1, AD-5MR, AD-5EL, AD-5MU, AD-5GL for Select Casio Keyboards / Digital Piano / Synthesizers:
Amazon.com: Casio 61-Key Portable Premium Keyboard Pack with Stand, Headphones & Power Supply (CTK-6250 PPK): Musical Instruments
Care N Touch Power Adapter/Adaptor for Casio CTK-651: Amazon.in: Home Improvement