Packed with 40 Watts of power, this ultra-lightweight and easy-to-carry adapter is a perfect portable power source. Comes with 8 interchangeable tips to fit virtually any Sony, Samsung, Asus, Fujitsu, Lenovo, Toshiba, Acer, MSI, HP & Compaq branded Ultrabook, Netbook, or Chromebook. Easy to install and use, and makes a great spare charger for home or office use.