Stay unplugged longer with these genuine Lenovo batteries. These rechargeable batteries use Lithium-Ion technology and can be used as replacement for aging system batteries or as a convenient spare battery.
Compatible with T440, T440s, X240
Lithium-Ion (Li-Ion) technology
6 cell system battery
Over-discharge protection to prolong the life of the battery
Battery energy (Watt-hours): 72Wh
Battery Safeguard chip authenticates with Lenovo systems