ASUS B31N1336 Replacement Laptop Battery

Internal replacement battery for ASUS B31N1336 laptops

An internal replacement lithium-ion battery for compatible devices that use part number B31N1336 or C31-S551. It is suitable for replacing an old or weak battery, provided that the specifications and connector match the original battery.

Specifications

• Voltage: 11.4V.
• Approximate capacity: 4200mAh.
• Energy: 48Wh.
• Cells: 3.
• Chemistry: Lithium-ion.

Compatible battery part numbers

• B31N1336.
• C31-S551.
• 31CP7/61/81.

Compatible laptop models

• ASUS VivoBook S551L, S551LA, S551LB, and S551LN.
• ASUS K551L, K551LA, K551LB, and K551LN.
• ASUS V551L, V551LA, and V551LB.
• ASUS R553L, R553LF, and R553LN.
• ASUS A551L, A551LB, A551LN, and R533L.

Check before ordering

Match part number B31N1336 or C31-S551, voltage, energy rating, shape, and connector with the battery installed in your laptop, as battery versions can vary within the same model. If you are unsure, contact us with the full laptop model or a clear photo of the old battery label so we can help confirm compatibility.