Laptop Battery M4450 for Lenovo B40 B50 N40 N50

Replace Part Numbers:
L13L4A01 L13S4A01 L13M4A01
L12L4E55 L12S4E55 L12M4E55
45N1183 45N1184 4N1185 45N1186 45N1187
Compatible Laptop Models:
For Lenovo B40 Series B40-30 B40-45 B40-70 B40-80
For Lenovo B50 Series B50-30 B50-45 B50-70 B50-80
For Lenovo N40 Series N40-30 N40-45 N40-70
For Lenovo N50 Series N50-30 N50-45 N50-70
For Lenovo M4400 Series M4400A
For Lenovo M4450 Series M4450A
For Lenovo V4400 Series V4400A
For Lenovo E40-30 E40-45 E40-80 E40-70 E41-80 E50-80
For Lenovo Tian Yi 300-15ISK
For Lenovo Tian Yi 300-14ISK

Installation and usage instructions:

1. Before replacing the battery, be sure to turn off the power first and then remove the charger plug. Replacing the battery during the startup process may pose a safety hazard.
2.After removing the original battery, press the power button continuously for 10 seconds without releasing it. Release the remaining power and static electricity on the motherboard before replacing the new battery.
3. Before installing a new batter
y, confirm the positive and negative poles of the battery, especially the built-in battery, and be careful not to plug it in incorrectly.

Regarding Capacity:

Lithium batteries are consumables, and it is normal for their capacity to fluctuate by around+5% due to factors such as inventory time and usage environment.