AC Adapter, 90W, 19.5V, 3

The Dell XXG18 is a 90 W AC adapter for Dell notebook computers, providing a 19.5 V output. The manufacturer part number is XXG18; the corresponding OEM number is 0RT74M.

The specified connection has 3 pins, and the DC connector measures 4.5 mm in diameter. These details help identify the adapter’s connection format. A C6 power cable is specified with the adapter.

Designed for Dell notebooks, the adapter supplies power through its DC connector when an AC outlet is available. Its output rating, pin count, connector diameter and cable type identify this particular XXG18 variant. It is a notebook power adapter, not a battery or data accessory.