Power-up your laptop with the 210 Watt AC Adapter from Dell. The adapter converts AC power into DC power required by the computer. It lets you operate your system or charge your laptop's battery from electrical power outlets. Offering 210 Watts of power, this lightweight and easy-to-carry power adapter proves to be an optimized portable power source wherever you are - at home, in remote office or on the road. For true simplicity, leave one AC Adapter at your desk and keep another in your carrying case for quick access.