Casio CTK2400 61- Key Portable Keyboard with USB : Musical Instruments - Amazon.com
Amazon.com: DC 9.5V for Casio Keyboard Power Cord ADE95100LU Compatible with Casio Keyboard Power Supply LK-135 WK-225 CTK-2500 CTK-2400 CTK-2550 CTK-1100 WK-220 LK-165 CTK-2090 SA-76 SA-46 Keyboard(5.9Ft Long) : Musical Instruments
Amazon.in:Customer reviews: Casio CTK-2500 61-Keys Piano (Black)
Amazon.com: 9.5V Charger Replacement for Casio Keyboard Power Cord ADE95100LU for Casio Keyboard Power Supply CTK-2400 CTK-2500 CTK-2090 Mini Keyboard : Musical Instruments