5B11M90008 Lenovo Internal Lithium-Ion battery, 3 cells, 57Wh capacity, Smart Battery Data interface, designed for Lenovo laptops. 57 Wh Internal Lithium-Ion battery, 3 cells, 57Wh capacity, Smart Battery Data interface, designed for Lenovo laptops.Power your Lenovo laptop with confidence using this internal lithium-ion battery. Featuring a robust capacity of 57Wh and 3 cells, this battery is tailored for exceptional performance and longevity, ensuring your device operates without interruption during critical tasks. Designed for select Lenovo models, its Smart Battery Data (SWD) interface provides accurate power management, allowing your laptop to optimize energy consumption efficiently.Lenovo is renowned for its quality and innovation in portable power solutions, developing batteries to the highest manufacturing standards. Each unit promises reliability, meeting rigorous safety protocols for your peace of mind. to provide authentic Lenovo components, supported by our expertise and commitment to delivering top-tier IT solutions.