EU X421 laptop battery, replacement X421 Li-ion battery pack

When order the X421 laptop battery, you should open your X421 laptop, Carefully compare it with your original X421 battery, checking details such as the battery model, output voltage, connector type, and screw hole positions.

X421 laptop battery, 11.55V 3640mAh, 42.00Wh

Battery Code:NASB31N191142WHB3
Battery Name:X421 battery
Battery Type: Li-Polymer
Battery Volt: 11.55V
Battery Capacity: 3640mAh, 42.00Wh
Battery Color: Black
Battery Cells: Grade A, 3 Cells
Battery Condition: original/genuine 1 Year Warranty
Compatible Battery Models:[ 3ICP5/57/80 ], [ B31N1911 ], [ C31N1911 ],
  • In stock
  • Original price: € 41.70
  • Today's price:
    € 29.19
    (Updated: Aug 2026 In stock)
  • You save: € 12.51
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Rechargeable B31N1911 Battery for Asus VivoBook Flip 14 TM420IA Series Li-Polymer
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