Description: Capacity: 4400 mAh Voltage: 10.8V (11.1V) Number of cells: 6 Cells technology: Li-Ion Warranty: 12 months Cells manufacturer: Green Cell Colour: Black Overdischarge protection: Yes Overcharge protection: Yes The possibility of return: Up to 30 days Product code: LE89 Manufacturer: Green Cell Compatibility list: Compatible with following battery models : 0C52863,0C52864,45N1144,45N1145,45N1147,45N1148,45N1149,45N1150,45N1151,45N1152,45N1153,45N1154,45N1155,45N1156,45N1157,45N1158,45N1159,45N1160,45N1161,45N1162,45N1163,45N1769 Compatible with following devices : Lenovo ThinkPad L540,Lenovo ThinkPad T540p,Lenovo ThinkPad W540,Lenovo ThinkPad W541,Lenovo ThinkPad L440,Lenovo ThinkPad T440P,Lenovo ThinkPad T540P