The Lenovo Y540-17L Internal Battery (model 5B10W69449) is engineered to provide a seamless power solution for your Y540-17L laptop. Boasting a robust capacity of 52.5Wh and an output of 11.34V, this 3-cell rechargeable battery delivers outstanding performance and longevity, which means you can enjoy extended periods of productivity or entertainment without interruptions. As a premium offering from Lenovo, a brand renowned for its advanced technology and commitment to quality, this battery meets the rigorous demands of durability and efficiency that modern users expect. Whether you’re a professional working on important tasks, a student managing coursework, or a gamer immersing yourself in the latest titles, the Lenovo Y540-17L battery is a perfect fit. It simplifies the process of replacing an old or dead battery, allowing you to quickly regain power and enhance your productivity anywhere you go. Count on this essential battery for reliable energy support that complements your computing lifestyle.