Laptop Lithium Battery C21N1509 for ASUS Notebook A Series

Replace Part Number:
C21N1509

Compatible Laptop Model:
For Asus Notebook A Series: A556 A556U

For Asus Notebook X Series: X556UA X556UB X556UF
X556UJ X556UQ X556UR X556UV XO015T XO076T

For Asus Notebook F Series: F556 F556U F556UA F556UJ F556UQ;

For Asus Notebook K Series: K556 K556U K556UA K556UB K556UF K556UJ K556UQ K556UR K556UV

For Asus Notebook FL5900U Series

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.