Lenovo ThinkPad Battery 77++ - For Mobile Workstation - Battery Rechargeable - 7900 mAh - 13.1 V DC

Smaller and lighter than other rechargeable batteries, proving ideal for portable devices 13.1 V DC battery - Ensures a steady and uninterrupted supply to your mobile workstation 7900 mAh capacity ensures secure power flow to your mobile workstation More environment-friendly as compared to the disposable ones