Lenovo ThinkPad L440 20AS ThinkPad L540 20AU 20AV Series 10.8V 48Wh 4100mAh Rechargeable 6-Cell 3INR19/66-2 Li-Ion Laptop Battery 45N1160 11S45N1160.
Battery Voltage: 10.8V
Battery Watt-Hour (Wh): 48Wh
Battery Capacity (mAh/Ah): 4100mAh
Battery Number of Cells: 6
Battery Type: 3INR19/66-2, Li-Ion
Color: Black
Type: Laptop Battery