The Dell 130-Watt AC adapter is designed to meet the power needs of your Dell Laptop. The adapter let you simultaneously operate your system and charge the battery from electrical power outlets. Packed with 130-watt of power, this lightweight and easy-to-carry power adapter proves to be an optimized portable power source wherever you are - at home, in 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. This product has been tested and validated for your Dell Systems and is fully supported by Dell Technical Support.