This product is either discontinued or we cannot get that from suppliers.
Dell 492-11632 Ac Adapter For Latitude, Power 180w, Input AC 100-240V~50-60Hz (worldwide use), Output Current 9.23A, Output Voltage 19.5V, Connector 7.4 5.0mm.
The 180-Watt AC Adapter from Dell is specially designed to meet the power needs of your Dell laptop. Packed with of 180-Watt power.