Dell Latitude LM M166ST Battery - Laptop (used)

This is used battery, pulled out form a working set, tested working for at least one hour under normal usage.

Rechargeable Li-Ion Battery Model Name : Li-ion 42
Dell P/N:97682
Dell LBL P/N:98303
Rating : 10.8V-4050mAH 
Charging Current : 2.5A