I did the same thing last year and taking the same route this winter as well. I do sometimes incorporate an exercise that could be a bit more golf specific, but mostly I stay with simple stuff like deadlifts. I did recently add some slam ball stuff too though and that’s actually kind of fun.
I swear the Counterbalance swing speed club has helped me more than the weighted ones. It’s not that my body doesn’t have the power to generate speed, but it’s my swing that’s not accessing the power…or at least what little I have lol. Swinging the CB club seems to help me get better timing, not rush the downswing and release the club. I tend to have this OTT swing holding the face open that saps the speed…just a few of my many swing faults.