The Rocstor premium 90W Universal Laptop Charger is designed for quality, durability, and versatility. It includes 9 interchangeable charging tips and can be used as a secondary or replacement adapter for your laptop. With an interchangeable tip system, this charger is compatible with many major laptop brands, including Acer, ASUS, Compaq, Dell, Fujitsu, Gateway, HP, IBM, Lenovo, and Toshiba. It also features built-in power supply protection to keep your laptop safe from over voltage, high current, and temperature. The included Rocstor pouch provides convenient storage for the extra charging tips, and you can buy with confidence knowing this charger is backed by a 2-Year Limited Warranty.