Type: Battery Compatibility: ThinkPad X200 Series Battery Type: 4 Cell Lithium-Ion Battery Voltage: 14.4V Battery Capacity: 2.0 Ah Features: Lithium Ion (Li-Ion) technology Four-cell, rechargeable system battery, 14.4 V, 2.0 Ah Standard system battery specifications Over-discharge protection Parts: 1 year limited Labor: 1 year limited