Stay unplugged longer with the help of a spare or replacement ThinkPad system battery. Get more the twice the capacity of the 4 cell system battery (select models) or carry an extra to extend your unplugged computing time Its compatible design allows it to be in the system when the system is connected to ThinkPad X200 UltraBase. Manufacturer: Lenovo Group Limited Manufacturer Part Number: 43R9255 Manufacturer Website Address: http://www.lenovo.com/us/en/ Brand Name: Lenovo Product Name: Lithium Ion Notebook Battery Product Type: Notebook Battery Battery Information: Battery Rechargeable: Yes Battery Information: Battery Chemistry: Lithium Ion (Li-Ion) Compatibility: Lenovo ThinkPad X200 Notebook Series
