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Black rectangular lithium-ion laptop battery with connector pins

Beisite

Beisite C31N2021 63Wh 11.61V laptop battery

SKU CH-HW8P-CBYMK

Replacement lithium-ion battery delivers 63 Wh at 11.61 V for compatible Asus ZenBook 14X and 14 Flip OLED models

  • Battery typeLithium-Ion
  • Product colorBlack
  • Product typeBattery
  • 63Wh capacity powers extended work sessions
  • 61V lithium-ion chemistry matches original spec
  • Replaces C31N2021 and 0B200-04030000 part numbers
  • Fits ZenBook 14X OLED and 14 Flip OLED models
  • Brand-new condition with 12-month warranty coverage

63Wh replacement battery for Asus Zenbook

This 11.61V lithium-ion pack replaces part numbers C31N2021 and 0B200-04030000 in compatible Asus Zenbook 14 Flip OLED and Zenbook 14X OLED models. It fits machines such as the UP5401EA, UM5401QA and UX5400EA series. Buyers needing a different voltage or form factor cannot use this unit.

Sustained discharge at rated capacity

The 63Wh rating reflects energy available under normal operating load rather than a brief peak. Internal cell chemistry maintains stable voltage through the discharge curve so the laptop reports consistent remaining time. Systems that draw significantly higher continuous power will deplete the pack faster than the rated figure suggests.

Lithium-ion chemistry limits

Li-ion cells permanently lose capacity if stored fully charged or fully depleted for long periods. The pack should be cycled occasionally when the laptop stays docked. It is not a user-serviceable component; opening the case voids the 12-month warranty and risks damage to the protection circuit.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $50.99
Pricier than about 82% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameC31N2021
Model nameC31N2021
Product colorBlack
Product typeBattery
Power
Battery typeLithium-Ion

Questions about this item

Does the 11.61 V 63 Wh battery generate noticeable heat during all-day use?

Lithium-ion cells at 11.61 V and 63 Wh run cool under normal loads; the pack has no fan and produces only slight warmth during extended sessions.

Must my Asus Zenbook 14X OLED already have the original C31N2021 or 0B200-04030000 part installed for this replacement to fit?

Yes, this unit replaces part numbers C31N2021 and 0B200-04030000, so the laptop must use that exact battery design.

Will the 11.61 V 63 Wh pack work in an older Zenbook 14X OLED UX5400EA that currently holds a C31N2021 cell?

It fits the UX5400EA series listed, matching the original 11.61 V 63 Wh specification for direct compatibility.

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