Battery Pacs for Yamaha PSR-975

by David Jarvis
(New Rochelle NY)

I am the proud owner of a Yamaha PSR-S975. Has anyone used a battery pack like a Rav power rp-pb14?


There is a video of a guy using one with his Kurtzweil https://www.youtube.com/watch?v=hA-6pdoJ5B8&t=237s

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