Dell - power adapter - Gallium Nitride (GaN), small form factor (SFF) - 240 Watt

Stop carrying your AC adapter between home and office. Get a second AC adapter for your laptop at the office, and use the other one at home or on the move.
Dell's 240-watt AC adapter is specially designed to meet the needs of your Dell laptop. With 240 watts of power, this adapter lets you run your system and charge its battery simultaneously from electrical outlets.