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Chat with our SpecialistThe Lenovo 5B10Z21197 is a high-quality replacement battery pack designed for select Lenovo laptops. It ensures reliable power supply and long-lasting performance. The battery features advanced Lithium-Polymer technology, providing efficient power management and longer battery life. Key Features: Manufacturer: Lenovo Model Number: 5B10Z21197 Type: Lithium-Polymer (Li-Poly) Voltage: 11.55V Capacity: 3810mAh (43.99Wh) Compatibility: Designed for specific Lenovo laptops (verify exact compatibility with your device model before purchase) Reliable PerformanceHigh-quality cells ensure consistent performance. Long Battery LifeWith a capacity of 3810mAh, it provides extended usage time between charges. Safety and CertificationBuilt to meet or exceed OEM specifications, including safety certifications.