The Lenovo (5B10W51863) 4-Cell Battery is engineered specifically for users who demand reliability and longevity from their devices. Operating at 15.44V with a capacity of 52.5Wh, this rechargeable internal battery delivers excellent performance for various Lenovo laptops. Ideal for professionals, students, and anyone who relies on their laptop for extended usage, it provides a seamless experience without frequent interruptions for charging. Built with advanced technology, this battery ensures a robust power supply while being compact enough to fit comfortably within your device. Lenovo, a trusted name in the electronics industry, focuses on delivering innovative solutions that cater to the needs of users looking for efficient and durable products. This battery not only enhances your device's performance but also extends its lifespan, making it an essential accessory for modern computing needs.