This is a oem power charger from YAMAHA , it will works with following models

PSR: PSR-F50, PSR-F51, PSR-223, PSR-233, PSR-243, PSR-253, PSR-273 PSR-313, PSR-323, PSR-333, PSR-343, PSR-353  psr 473 

KB: KB-208KB, KB-180, KB-181, KB-190, KB-191, KB-200

P: P-125, P-45, P-48, P-70, P-85, P-95, P-105, P-115

NP: NP-12, NP-32, NP-V60 

YDP: YDP-103R, YDP-142, YDP-143, YDP-162, YDP-163

YPT:YPT 255 YPT 230 YPT 300 YPT 320  YPT 400

IF YOUR PIANO IS NOT LIST HERE PLEASE CONTACT ME TO CHECK. THANK YOU FOR LOOKING.