5B10Z37621 Lenovo Laptop battery, 4-cell design, 15.44V voltage, 56Wh capacity, compatible with select Lenovo models. FRU5B10Z37621 56 Wh Laptop battery, 4-cell design, 15.44V voltage, 56Wh capacity, compatible with select Lenovo models.Ensure your Lenovo laptop maintains peak performance with this high-capacity 4-cell laptop battery. Rated at 15.44V and 56Wh, it delivers reliable power and extended usage, perfect for professionals on the go or anyone needing uninterrupted performance. Designed specifically for select Lenovo models, this battery ensures seamless compatibility and efficient energy management.Lenovo consistently delivers quality components, and this battery is no exception; it meets rigorous performance standards and certifications, such as CE Marking. Upgrade your power solution with confidence, as this battery facilitates longevity and enhances your laptop's capabilities.At EET, we specialize in providing authentic Lenovo parts, backed by extensive product support and expertise, ensuring that you make a sound investment in your hardware. Trust our commitment to helping you optimize your equipment's performance.