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