Bestcompu &reg; 19.5V 3.34A 65W Replacement AC Adapter Charger for Dell XPS 18 1810 Portable All-in-One Desktop 05NW44 074VT44.5mm / 3.0mm Input: AC 100-240V, 50-60Hz; Output: DC 19.5V 3.34A Power: 65W Outlet: 3-prong Connecter size: 4.5 mm outer diameter / 3.0 mm inner diameter with central pin Condition: Brand New Replacement Product, works as genuine parts, 100% OEM Compatible!! 2.5ft US Power cord included. Replace Part Number 05NW44 074VT4