Lenovo 45N1137 Battery Thinkpad T440s 68+ 6 Cell - 6600 mAh - Lithium Ion (Li-Ion) - 10.8 V DC - 1 Pack

General InformationStay 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.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 systemsBattery InformationApplication/Usage: NotebookBattery Rechargeable: YesBattery Size: Proprietary Battery SizeBattery Chemistry: Lithium Ion (Li-Ion)Battery Capacity: 6600 mAhBattery Energy: 72 WhNumber of Cells: 6Output Voltage: 10.8 V DCPhysical CharacteristicsHeight: 0.9"Width: 8.1"Depth: 2.5"Weight (Approximate): 11.82 ozMiscellaneousCompatibility: Lenovo ThinkPad Notebooks: T440S 20AQT440S 20ARX240