The ThinkPad Battery 68 is a 3 cell Lithium-Ion battery which lasts for 23.6 watt hours* on average. It is equipped with over-discharge protection, to help prolong the life of the battery.
Compatible with X240, X250, X260, X270, W550, W550s, P50s, L450, L460, L470, T440, T440s, T450s, T450, T460, T460p, T470p, T550, T560; Over-discharge protection; Safeguarded with a chip to authenticate itself with Lenovo systems
