Features: Buffets Can Now Operate Cord-Free With D.W. Haber's Powercell Induction Unit. This Battery-Operated Warming Unit Eliminates The Need To Run Wires And Works With Any Stainless Steel Cookware (Both Magnetic And Non-Magnetic). With A Battery That Lasts Up To 6 Hours, Venues Can Serve Breakfast With Ease, Then Quickly Recharge For Dinner Service.