5B11M90058 Lenovo Internal 4-cell Lithium-Ion battery, 57Wh capacity, designed for specific Lenovo devices, providing reliable power. 57 Wh Internal 4-cell Lithium-Ion battery, 57Wh capacity, designed for specific Lenovo devices, providing reliable power.Power your Lenovo devices effectively with the Internal Lithium-Ion Battery. With a robust capacity of 57Wh and a 4-cell design, this battery delivers reliable performance and extended usage across sessions. It is specifically engineered for seamless integration within compatible Lenovo models, ensuring your system operates efficiently without interruption.Lightweight at just 0.5 kg, this battery enhances portability while maintaining dependable power support. It is subject to rigorous manufacturing standards, assuring compatibility and performance tailored to Lenovo's specifications. Trust in Lenovo's industry expertise for fragile technology needs, knowing you're investing in a dependable power solution.Available , a trusted distributor in IT parts, the Lenovo battery provides authentic products and dedicated support, optimizing your hardware performance.