01AV478 Lenovo Lithium-Ion battery, 57Wh capacity, 3 cells, 11.58V voltage, designed for specific Lenovo laptops, includes safety protections. FRU01AV478, 792417, 99112940 57 Wh Lithium-Ion battery, 57Wh capacity, 3 cells, 11.58V voltage, designed for specific Lenovo laptops, includes safety protections.Enhance your Lenovo laptop's performance and reliability with the 57Wh Lithium-Ion battery. Designed for specific Lenovo models, this battery offers a powerful capacity of 4708mAh and operates at a voltage of 11.58V, ensuring your device stays charged throughout demanding workdays. This battery features three cells designed to deliver reliable energy while safeguarding your device with built-in protections against overcharging, overheating, and short circuiting. As a reputable brand, Lenovo has engineered this battery to meet safety standards, backed by certifications such as CE, UL, and ROHS. Purchasing assures you access to authentic products and expert support to keep your technology running smoothly.