5B11N52048 Lenovo 3-cell lithium-ion battery, 57Wh capacity, 11.52V output, designed for compatible Lenovo devices. 57 Wh 3-cell lithium-ion battery, 57Wh capacity, 11.52V output, designed for compatible Lenovo devices.Ensure your Lenovo laptop stays powered and ready for action with a reliable 57Wh 3-cell battery. Designed specifically for seamless compatibility, this genuine Lenovo battery offers a voltage of 11.52V, making it a perfect choice for enhancing your device's performance during intensive tasks or extended usage. With its straightforward installation process, you can easily replace your old battery without hassle, ensuring you get back to work without downtime.Lenovo is renowned for delivering high-quality components that adhere to strict safety and performance standards. This battery is no exception, providing exceptional energy efficiency and durability, backed by a 12-month warranty. As a verified distributor, EET offers assured product authenticity and expert support, providing peace of mind with your purchase.