Our group's 6 slip rings came in! Thanks to Ross for doing this run and all the leg work to make it happen. Two of the slip rings are mine :)
I moved the Velcro that was holding the battery to this plate out of the way and checked the fit of the ring.
It fits great but will only work in this configuration if I mount it upside down. I need to check first to see if this is possible without damaging the ring. If not I will have to make a stationary holder for it below this one.