Replacement Battery Specification
- Battery Model: C21N1808
- Capacity: 38Wh / 4940mAh
- Voltage: 7.7V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- C21N1808
- C21PqCH
- 0B200-03060000
- 0B200-03130000
Compatible Laptop Model
For Asus Chromebook C423NA Series
C423NA-BV0001 C423NA-BV0017 C423NA-BV0044 C423NA-BV0051 C423NA-BV0054 C423NA-BV0078.
C423NA-BZ0004 C423NA-BZ0027 C423NA-BZ0038 C423NA-BZ0057 C423NA-DH02.
C423NA-EB0108 C423NA-EB0020 C423NA-EB0033 C423NA-EB0050 C423NA-EB0063.
C423NA-RH91T-CB C423NA-0031AN4200 C423NA-1A.
For Asus Chromebook C523NA Series
C523NA-A20007 C523NA-A20025 C523NA-A20026 C523NA-A20033.
C523NA-A20045 C523NA-A20057 C523NA-A20093 C523NA-A20105.
C523NA-BR0035 C523NA-BR0043 C523NA-BR0067 C423NA-BV0028.
C523NA-EJ0052 C523NA-EJ0053 C523NA-EJ0054 C523NA-EJ0058.
C523NA-DH02 C523NA-IH24T C523NA-0021AN4200 C523NA-1A.
Product Features
- 100% brand new replacement battery, rigorously tested for safety and performance
- OEM-grade Li-ion cells with 38Wh / 4940mAh capacity for reliable all-day Chromebook use
- Built-in smart protection circuit: overcharge, over-discharge, and short-circuit protection
- Plug-and-play compatibility — no drivers or software required
- Meets or exceeds original Asus Chromebook manufacturer specifications
- 1-year warranty and dedicated customer support
Why Choose This Battery
This C21N1808 replacement battery is engineered for Asus Chromebook C423NA and C523NA series users who need dependable, long-lasting power for everyday education, work, and browsing on their Chromebook.
Key Benefits
- Precise fit for Asus Chromebook C423NA and C523NA series
- Stable 7.7V output for consistent Chromebook performance
- Advanced BMS for safe, stable charging cycles
- Drop-in replacement with no modification required
- Cost-effective alternative to OEM replacement