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 130-Watt AC Adapter from Dell™ is specially designed to meet the power needs of your Dell laptop. Packed with of 130-Watt power, this adapter enables you to simultaneously operate your system and charge its battery from electrical power outlets. It comes bundled with 2 meter power cord.Compatibility- Genuine Dell-branded parts undergo rigorous testing by qualified engineers to ensure compatibility and reliability in your Dell system.- Our sustaining qualification process allows for testing and certification of the newest technology on your Dell system.This product is compatible with the following systems:- Latitude E5440- Latitude E5540- Latitude E6440- Latitude E6540- Latitude E7240- Latitude E7440