TIL that my Milwaukee heated jacket battery adapter works for my dewalt heated jacket. Battery adapter for my dewalt jacket broke a year ago and haven't used it since. I am in
DEWALT DCHJ076A Heated Heavy Duty Work Coat Kit with 2.0Ah Battery and Charger Tobacco, Large - Amazon.com
DEWALT Tobacco Cotton/Polyester Heated Jacket (Large) in the Work Jackets & Coats department at Lowes.com