The Lenovo 4X50M08812 61++ Rechargeable Battery for ThinkPad is a reliable and high-quality replacement battery designed specifically for Lenovo laptops. With a voltage of 10.8V and 6 battery cells, this Li-Ion battery provides long-lasting power for your device. The sleek black design complements your laptop seamlessly, making it a perfect accessory for anyone in need of a new battery. Upgrade your laptop's performance and stay productive on the go with this compatible Lenovo battery.