Dell 450-AFVB is an AC adapter for powering and charging compatible Dell laptops. It converts mains AC to the DC power a laptop needs, so it can serve as a replacement or an additional adapter for a suitable device.
With 130W output at 19.5V and 6.7A, it supplies power for laptop operation and battery charging. These ratings identify the output of this specific model.
For a desk setup or another work location, an adapter can provide an external power source for a compatible laptop. The Future-X listing states that a power cable is included.
Package contents: power cable.