Product Code: LB85
Lithium Ion (Li-Ion) Voltage 14.4V Nominal Capacity 1700mAh Diameter/Width 209mm Height 19.6mm Length/Breadth/Depth 50mm IBM ThinkPad X20 SeriesIBM ThinkPad X21 SeriesIBM ThinkPad X22 SeriesIBM ThinkPad X23 Series02K6651, 02K6653, 02K6679, 02K6712, 02K6760, This battery is a fully compatible alternatve to the original branded product ,