The Kensington 33195 70-Watt Notebook DC Power Adapter uses patented technology to deliver all the power you need in a size that is 70-percent smaller and 60-percent lighter than comparable chargers, for easy portability. Light, lean, and packed with power - the Kensington Notebook Power Adapter powers and charges the road warrior's essentials. With its DC power supply, you can power virtually any notebook, whether you are on the road, or on a plane. By including multiple charger tips, this adapter is able to power or charge virtually major-brand notebook computers, such as HP, Compaq, Sony, IBM, Gateway, and Averatec. The ideal replacement for, or upgrade to, your existing power supply, the Kensington 33195 is backed by Kensington's one-year warranty. Yet it can power virtually any notebook computer - all from any auto or airline power supply.mputer - all from any auto or airline power supply.