Amazon.com: MyVolts 12V Power Supply Adaptor Compatible with/Replacement for Yamaha YPT-210 Keyboard - US Plug with Extension and ON/Off Switch : Musical Instruments
HQRP AC Adapter & Sustain Pedal for Yamaha PSR-E203, YPT-200, YPT-210, YPT-220, PSR-E313, DGX-200, DGX-300, DGX-500 Keyboards - Walmart.com
Omilik AC-DC Adapter compatible with Yamaha YPT-200 YPT-210 YPT-220 YPT-230 YPT-240 Power Supply - Walmart.com
Amazon.com: PK Power AC Adapter for Yamaha YPT-200 YPT-210-KIT YPT230 YPT220 YPT-410 YPT-420 YPR-1 YPR-7 Power Supply Cord Charger : Musical Instruments