The New, Genuine Lenovo 135W AC Adapter 45N0055 is specifically designed for Lenovo ThinkPad laptops, such as W530, W520, W510, T530, T520, and more. It provides a 20V voltage and 6.75A output current, making it suitable for various models in the ThinkPad T400s, T410, T420, T430, T510, T520, T530, W510, etc. line. Made in China, this power adapter ensures reliable performance and compatibility with Lenovo laptops, offering a reliable power source for your device during use.