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. &lt;br /&gt;&lt;br /&gt;The 90-Watt AC Adapter from Dell is specially designed to meet the power needs of your Dell laptop. Packed with of 90-Watt power this adapter enables you to simultaneously operate your system and charge its battery from electrical power outlets.