Stop lugging your AC adapter back and forth between home and office. Get a second AC adapter for your notebook and keep one in the office and one for home or travel. The Dell 90-Watt AC adapter enables you to operate your notebook or charge the battery from electrical power outlets. This product has been tested and validated on Dell systems to ensure it will work with your computer. It is supported by Dell Technical Support when used with a Dell system. - Enables you to operate your notebook or charge the battery using electrical power outlets - This product has been tested and validated on Dell systems to ensure it will work with your computer - Supported by Dell Technical Support when used with a Dell system - Latitude E6500 / E6400 / E5400 / E5500