POWER-FENG
POWER-FENG 50Wh C31N1811 Battery for Asus ZenBook 14 UX433
50 Wh lithium-polymer replacement battery at 11.55 V fits Asus ZenBook 14 UX433 series and related models
- TypeBattery
- Battery TypeLaptop Batteries
- 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.
Highlights
- 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
Specifications
| Type | Battery |
|---|---|
| Battery Type | Laptop 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.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.



