The Dell 492-BBUN Auto/Air Adapter supplies power to a Dell notebook when a conventional mains outlet is unavailable. Rated at 65 W, it is designed for car and airplane power outlets, making it useful on journeys where those connections are available.
The adapter connects to the notebook through USB-C. Its power rating is intended to run the system while charging the battery at the same time, provided the connected notebook supports this mode. It is suited to mobile work away from a desk when a compatible car or airplane outlet is available.
This external adapter delivers DC power to a Dell notebook in transit. The Dell part number 492-BBUN identifies this model among Auto/Air adapters with different part numbers or power ratings.