I do have a 12VDC 35A Astron power supply but I wasn't sure if 12V would be enough. I'll try powering the actuator with 12V and see what happens. This is my older actuator but I was hoping to get another 20 years out of it. I'm not touching the wife's actuator!Try with just a 12volt car battery hooked to the actuator motor, and see if that moves it freely. 12 volts is enough, though it'll move very slowly if good.