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Black rectangular laptop battery with connector pins

POWER-FENG

POWER-FENG 50Wh C31N1811 Battery for Asus ZenBook 14 UX433

SKU CH-XK1B-8A6G7

50 Wh lithium-polymer replacement battery at 11.55 V fits Asus ZenBook 14 UX433 series and related models

  • Battery typeLaptop Batteries
  • Product typeBattery
  • 50 Wh capacity powers the ZenBook 14 through a full workday
  • 55 V lithium-polymer chemistry delivers stable output for UX433 models
  • Replaces original C31N1811 part for direct fit in Asus U4300 and UX433 series
  • 4335 mAh rating matches factory specification for consistent runtime
  • Brand-new black cell restores mobility without adapter tether

Genuine Replacement Battery for ZenBook 14

This 50Wh lithium-polymer pack is built to fit Asus ZenBook 14 UX433 series laptops. It operates at 11.55V and delivers 4335mAh of capacity. The black unit replaces the original C31N1811 part number directly.

Suits owners of listed UX433 models needing

Buyers with UX433F, UX433FA, UX433FN, U433FN or BX433FN chassis can install this unit. It does not fit laptops outside the identified model range. Users requiring higher capacity or a different voltage should look elsewhere.

Drops into the existing battery bay without extra

The pack uses the stock connector and mounting points so no adapter cables or screws are needed. Swapping it restores mobile runtime and frees the owner from staying tethered to an outlet.

How it compares

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

Price $46.99
Pricier than about 79% of the 27,790 comparable items (median $30.99).

Specifications

Product
Product typeBattery
Power
Battery typeLaptop Batteries

Questions about this item

Which Asus ZenBook 14 models will the C31N1811 50Wh battery fit?

The C31N1811 50Wh battery fits Asus ZenBook 14 models UX433F, UX433FA, UX433FN, UX433FX, U4300F, U4300FA, U4300FN, and BX433FN.

Can I keep my original 11.55V charger when installing this 50Wh replacement?

Yes, the replacement operates at the same 11.55V, so your existing charger will continue to charge it normally.

How can I confirm the new 4335mAh cell is recognised by the system after fitting?

Open the battery report in Windows or check the BIOS power page; both should show a design capacity of 50Wh and a voltage of 11.55V.

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