5B11M90038 Lenovo Internal lithium-ion battery, 86Wh capacity, 4 cells, designed for Lenovo notebooks and ultrabooks using CXP interface. 86 Wh Internal lithium-ion battery, 86Wh capacity, 4 cells, designed for Lenovo notebooks and ultrabooks using CXP interface.Revitalize your Lenovo notebook or ultrabook with the Internal Lithium-Ion Battery. Equipped with a robust 86Wh capacity and built with four cells, this internal battery ensures extended usage without compromising performance. The reliable lithium-ion chemistry offers enduring power and enhanced cycle life, tailored to meet the demands of your on-the-go lifestyle.Designed for seamless integration into specific Lenovo models, this battery guarantees compatibility with your device, allowing for an easy installation process. It adheres to stringent manufacturing standards, ensuring safe usage and reliability crucial for productivity in business settings.Lenovo has built a strong reputation in the computing industry for quality and innovation, and this battery exemplifies those standards, as a leading IT distributor, provides authentic products and expert support to ensure optimal performance of your Lenovo devices.