Stay unplugged longer with these genuine ThinkPad batteries. These rechargeable batteries use Lithium-Ion technology and can be used as replacement for aging system batteries or as a convenient spare battery.
Product Details:
Lithium-Ion (Li-Ion) technology
6 cell system battery
Battery energy (Watt-hours): 66 Wh
Not compatible with the ThinkPad External Battery Charger (40Y7625)