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 features offers 130 watts enough to power and charge your laptop incorporates a rub