Lenovo part: Lenovo ThinkPad Battery 50(3 Cell Bay Battery - X300 Series)
Features and Benefits: * Delivers the power of a second battery, but you do not have to carry around a loose battery * Lithium Polymer technology * Three-cell, rechargeable system battery, 11.2 V DC, 2.12 Ah * Standard system battery specification * Over â€“ discharge protection.
|Description||ThinkPad Battery 50 (3 Cell Bay Battery - X300 Series)|
|Power management||3 Cell LiPolymer Bay|
|Battery type(s)||3 Cell LiPolymer Bay|
|Battery Voltage||11.2 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).|