Sometime back someone here that knows his stuff about electricity told me how to rig up something where if I have a power outage the power outage will trigger a solenoid or something to cause a battery powered agitator to kick in vs. the one that is powered by AC current.

If you're reading this could you explain it again? I know it's here somewhere but the search engine here totally frustrates me.

Or can anyone else help?

I have the RAS set up in the basement and want added insurance in case we have a power outage. I know I could just hook up the battery powered agitator but I could be sleeping or not home when the power goes out.

If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.