Lithium-Ion Battery B31N1336 for ASUS VivoBook S551 Series

Replace Part Number:
B31N1336 C31-S551

Compatible Laptop Model:
For ASUS VivoBook S551 Series
S551
S551L
S551LB
S551LA
S551LN-1A
For ASUS VivoBook R553L Series
R553L
R553LN
R553LF
For ASUS VivoBook K551 Series
K551L
K551LN
K551LB
For ASUS VivoBook V551 Series
V551L
V551LA
K551L
K551LN

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.