The Genesis 1588 is like that. I have run it off of a car battery during power outagesSome incubators are 12 v with a 110 transformer that plugs in the wall. I got the cord that I can plug into where the transformer cord goes to the incubator and hook onto a car battery.
http://incubatorwarehouse.com/dc-battery-clips-incubator.html
Hello all! Fighting a cold this week, but all is well!