Now you no longer need to carry your power adapter back and forth between the office and home. Equip yourself with a second power adapter for your notebook, so you have one for the office and one for home or on the go. The 165-watt power adapter from Dell is specifically designed to meet the power requirements of your Dell notebook. With the powerful 165-watt power adapter, you can connect your system to the power supply for operation and to simultaneously charge the battery. A 1m long power cord is included. 165 watts for simultaneous operation and charging of your notebook. A 1m long power cord is included. With a rubber strap for easy cable management and an LED light ring on the DC connector. The Dell 165-watt GaN power adapter features gallium nitride technology (GaN), developed in collaboration with GaN Systems. Compared to silicon-based products, GaN systems have the following advantages: Significant reduction in power losses. High energy efficiency, lower power consumption, and minimal expenses. Easily portable, typically up to 75% smaller and lighter. Less water and fewer materials used in the manufacturing process. Made from high-quality materials in OEM quality, with the components subjected to rigorous tests for reliability and compatibility.