Dell New Version New Size 45W Original AC Adapter For DELL XPS 13 Ultrabook DA45NM131, XPS 12 L221X Input: 100-240V, 50-60Hz~1.5A Output: 19.5V 2.31A 45W Model: DA45NM131,Connecter size: 4.5*3.0mm 1 Year Warranty. Come with 3 ft power Cord