Stay unplugged longer with Think Pad Batteries 17 & 17+. These rechargeable batteries use Lithium-Ion (Li-Ion) technology & can be used as a replacement for aging system batteries or as a convenient spare battery. Features Technology: Lithium Ion Capacity 5200m Ah / 57 Wh Voltage 10.8V Cells: 6
Dimensions Width 21.4 cm Depth 5.39 cm Height 2.05 cm