PROLINE 6-Cell Li-Ion Battery 10.8V 4000mAh LENOVO X300 X301 series

Proline batteries are 100% tested and compatible for the systems intended for. This high quality 4000mAh battery has a similar form factor to the OEM and is made specifically for the Lenovo X300 series. Battery life depends on many factors including: available DRAM, screen brightness, applications, features, power management, battery condition and other customer preferences. Proline part numbers mimic the OEM, and are comparable in form factor and battery life.