The Lenovo 4-Cell Battery (model 5B11B66552) is a reliable and high-performance power solution designed specifically for Lenovo laptops. With a voltage of 15.36V and a substantial capacity of 75Wh, this rechargeable battery provides extended usage time, ensuring that you stay productive throughout your day without interruption. It features advanced battery technology, which not only promotes longevity but also enhances safety by preventing overheating and overcharging. This product is ideal for students, professionals, and anyone who relies heavily on their laptop for work or study. Lenovo, renowned for its commitment to innovation and quality, positions this battery as an essential accessory for users who demand reliability and durability from their devices. With this battery, you can experience consistent, dependable performance that aligns perfectly with the high standards associated with the Lenovo brand.