Global Supplier Lithium-Ion Battery A31N1519 for ASUS X540

Replace Part Numbers:
A31N1519
Compatible Laptop Models:
For ASUS X540 X540L X540LA X540LJ X540LJ X540SA
X540SC X540YA A540 A540LA F540 R540S R540SA

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.