The Dell E5 65W USB-C AC Power Adapter, model DELL-V3CCW, supplies power from an AC source to compatible equipment through USB-C. Its 65 W output makes it a laptop power accessory for setups that use USB-C charging.
The USB-C connection provides a way to power compatible devices from the mains. Use it as a regular adapter or as a replacement for the same model. The Dell E5 name and model number identify this specific adapter in a catalogue.