Stay unplugged longer with Think Pad Battery 29++. This rechargeable battery uses Lithium-Ion (Li-Ion) technology & can be used as replacement for aging system batteries or as a convenient spare battery. Features Technology: 9-cell Lithium Ion Voltage: 11.1 V Capacity: 9000 m Ah
Dimensions Width 23.1 cm Depth 7.9 cm Height 2.7 cm Weight 0.51kg