Computing power is never far away when you've got a Dell 90-Watt AC adapter specially designed to meet the power needs of your Dell system. The adapter enables you to operate your system or charge the battery from electrical power outlets. Packed with 90 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 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 on Dell Systems. It is supported by Dell Technical Support when used with a Dell system.