How To Use A Slow Cooker In A Power Outage Posted By: Nolie On: February 5, 2014 13 Comments Last week I was relaxing with my feet up, dinner cooking in the slow cooker and life was good. All of a sudden the house was very quiet, the power had gone out. CRAP! Dinner is going to be ruined! Eliminator battery to the rescue. Dinner was saved!