Replacement Asus B31N1911 laptop battery. Catalog-listed compatibility includes ADOL14FQC, V4050F, V4050E, X421DA, X421JQ. Match the old battery label, voltage, connector and shape before confirmation.

Compatibility profile

Laptop brand: ASUS
Exact model: X421DA
Matching batteries: 1

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B31N1911 is listed for ASUS X421DA. We will reconfirm the old battery part number, voltage, connector, and shape before processing.

3,680 mAh3 cells11.55V

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Battery is swollenOnly works while plugged inShuts down soon after unpluggingNot charging or percentage is stuckVery low backup after a full chargeBattery is not detectedOther problem

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