Lenovo part: Lenovo ThinkPad Battery 49(6 Cell - X300 Series)
Features and Benefits: * Original equipment specifications for correct fit and capabilities * Six-cell, rechargeable Lithium-Ion (Li-Ion) system battery, 10.8 V dc, 4.0 Ah * A spare battery lets you stay unplugged longer * And it's backed by a Warranty by Lenovo with renowned Service and Support available from IBM.
|Description||ThinkPad Battery 49+ (6 Cell - X300 Series)|
|Power management||6 Cell Lithium-Ion|
|Battery type(s)||3 Cell LiPolymer Bay|
|Battery Voltage||10.8 V|
|Note||Stay unplugged longer. Get twice the capacity of the 3-cell system battery (on select systems). Achieve all-day computing when you combine the ThinkPad X300 Series 6 Cell Li-Ion battery with the optional ThinkPad X300 Series 3 Cell LiPolymer Bay Battery (43R1966). Battery life (and recharge times) varies based on many factors including screen brightness, applications, features, power management, battery conditioning, and other customer preferences. Compatible with the new ThinkPad X300. (For battery life, go to lenovo.com/alldaycomputing).|