Dell 492-BBSD is a 45 W AC adapter for powering Dell notebooks. It converts mains power to a DC output of 19.5 V at 2.31 A. The supplied European power cord connects it to a suitable outlet, making the adapter useful at a desk or regular charging spot.
For connection to the notebook, it has a 4.5 × 3.0 mm barrel plug with a central pin. These connector and output specifications identify this adapter for checking against a notebook’s power requirements. A ring of LEDs is described around the DC plug, and the rubber strap helps gather the cable for storage.
The adapter provides the specified 45 W output for Dell notebooks wherever mains power is available. The EU cord handles the outlet connection, while the strap helps keep the cable together between uses.