LENOVO ThinkPad 77 Notebook Battery

The 4-cell ThinkPad battery 77 is a replacement/spare battery for P50 system. The battery is rechargeable and can be used as replacement or as a convenient spare for mobile workstation ThinkPad P50 system. This battery is powered by Lithium-Ion technology and has a safeguard chip which authenticates with Lenovo systems. The battery lasts on average 66 watt hours and utilises over-discharge protection to ensure a secure flow of power. *Many factors affect battery life. These include: screen brightness, battery conditioning, features, applications, power management and other customer preferences.Lithium-ion technology
4 cell system battery
Over-discharge protection to prolong the life of the battery
Battery energy (Watt-hours): 66Wh
Battery Safeguard chip authenticates with Lenovo systems