Power up and stay productive on the road, in-flight or in your office with the Dell Power Adapter. It is an all-in-one, DC device that will both power your Dell laptop as well as charge its battery. It plugs into any auto outlet or air outlet for long-lasting performance. This two-in-one charger is useful for traveling. 90 W maximum output power for maximum dependability and added productivity. Auto and Airline Adapter provides a dependable and fast charging solution for your notebook with maximum productivity. Auto and Airline Adapter with 12 V DC input voltage for optimal performance with maximum usability.