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ASUS C31N1811 Replacement Battery vs ASUS C31N2021 Replacement Battery: Comparison
C31N1811 Replacement Battery vs C31N2021 Replacement Battery capacity wh compared
Start with capacity wh, because it is the widest measured gap between them: C31N1811 Replacement Battery 50 Wh against C31N2021 Replacement Battery 63 Wh, 21% in favour of C31N2021 Replacement Battery. They differ on battery model code too, C31N1811 on the C31N1811 Replacement Battery versus C31N2021 on the C31N2021 Replacement Battery. Nominal voltage is not the same on both, 11.55 V on the C31N1811 Replacement Battery versus 11.61 V on the C31N2021 Replacement Battery. There is a split on capacity basis as well, OEM Label on the C31N1811 Replacement Battery versus Seller Claim on the C31N2021 Replacement Battery. Compatible models is not the same on both, ASUS ZenBook 14 UX433FA, UX433FN, UX433FL, U4300F, U4300FA, U4300FN,... on the C31N1811 Replacement Battery versus ASUS Zenbook 14X UX5401 on the C31N2021 Replacement Battery.
Who each one is for
The C31N1811 Replacement Battery suits ZenBook 14 UX433FA, UX433FN and UX433FL owners and ZenBook Deluxe 13 RX433F and Deluxe 14 BX433F owners. It is not the one for other ZenBook 14 generations, such as models outside the UX433 and U4300 family. The C31N2021 Replacement Battery is the one to take for zenbook 14X UX5401 OLED configuration owners, though it is not the pick for Non-OLED UX5401 configurations, unless independently confirmed.
What C31N1811 Replacement Battery and C31N2021 Replacement Battery have in common
Where they agree, they agree completely, expected firmware state and shipping classification included, so the decision does not turn on any of those.
Specs and benchmarks
Brand
- ASUS C31N1811 Replacement Battery
- ASUS
- ASUS C31N2021 Replacement Battery
- ASUS
Battery Model Code
- ASUS C31N1811 Replacement Battery
- C31N1811
- ASUS C31N2021 Replacement Battery
- C31N2021
Nominal Voltage
- ASUS C31N1811 Replacement Battery
- 11.55 V
- ASUS C31N2021 Replacement Battery
- 11.61 V
Capacity Wh
- ASUS C31N1811 Replacement Battery
- 50 Wh-21%
- ASUS C31N2021 Replacement Battery
- 63 WhBest
Capacity Basis
- ASUS C31N1811 Replacement Battery
- OEM Label
- ASUS C31N2021 Replacement Battery
- Seller Claim
Expected Firmware State
- ASUS C31N1811 Replacement Battery
- full_function
- ASUS C31N2021 Replacement Battery
- full_function
Shipping Classification
- ASUS C31N1811 Replacement Battery
- UN3481
- ASUS C31N2021 Replacement Battery
- UN3481
Compatible Models
- ASUS C31N1811 Replacement Battery
- ASUS ZenBook 14 UX433FA, UX433FN, UX433FL, U4300F, U4300FA, U4300FN, ZenBook Deluxe 13 RX433F, ZenBook Deluxe 14 BX433F
- ASUS C31N2021 Replacement Battery
- ASUS Zenbook 14X UX5401 (Core i7-1195G7, 16GB, 2.8K OLED)
Which one should you pick?
Choose ASUS C31N1811 Replacement Battery if you already have it on hand or find it at a lower price.
Choose ASUS C31N2021 Replacement Battery if you want the higher capacity wh (63 Wh vs 50 Wh).



