Stay unplugged for longer with the help of a spare or replacement ThinkPad system battery. Get more than twice the capacity of the 4-cell system battery (selected models) or carry an extra to extend your unplugged computing time. Its compatible design allows it to be in a system connected to the ThinkPad X200 UltraBase.
Compatible with X200/X201
• Lithium Ion (Li-Ion) technology
• Nine-cell, rechargeable system battery, 10.8 V, 7.8 Ah
• Standard system battery specifications
• Over-discharge protection