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 45-Watt AC Adapter from Dell(TM) is specially designed to meet the power needs of your Dell(TM) laptop. Packed with of 45-Watt power, this adapter enables you to simultaneously operate your system and charge its battery from electrical power outlets. It comes bundled with 0. 91 meter power cord.