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.Lithium-Ion (Li-Ion) technology 9 cell system battery Over-discharge protection to prolong the life of the battery Battery energy (Watt-hours): 100Wh Battery Safeguard chip authenticates with Lenovo systems
Lenovo Battery 57++(0c52864) 9 Cell Extended Life Thinkpad Battery For Models L440, L540, T440p, T540p, W540, W541, Lenovo Original Factory Sealed Retail Packaging.
Lenovo part number 0c52864 Thinkpad Battery 57++ , 9 Cell extended life 100wh, 10.8v , 9.21Ah ( 0c52864 retail / alternate part Numbers for searching not buying 45N1150 , 45N1151, 45N1153).
Lenovo Extended Life Batteries will Stick Out of the Battery Compartment by 1 Inch.
Over-discharge protection to prolong the life of the battery / Battery Safeguard chip authenticates with Lenovo systems. 9 Cell ,100wh, 9.21ah, 10.8v, 485 gram weight.
This item is Compatible with the Following Lenovo Thinkpads; L440, L540, T440p, T540p, W540, W541.
Warning - Lenovo model #'s are suffix specific - for example- this item works in the T440P but not the T440. Works in the T540P but Not the T540.