Battery for ASUS VivoBook S13 S330FN S330UA, 11.55V 42Wh C31N1806, High Capacity Li-ion Laptop Battery [2-Year Warranty]

**Product Overview**
Upgrade your ASUS VivoBook S13 S330FN or S330UA with this high-performance replacement battery (Model: C31N1806). Designed to match original specifications, it provides stable power output and extended runtime for daily computing, video streaming, and office tasks.

** Important Voltage Warning**
Please confirm your original battery voltage is ** 11.55V ** before purchasing. Using an incorrect voltage battery may cause system instability or damage. This battery is NOT compatible with 7.6V or 14.8V models.

**Compatible Laptop Models**
- ASUS VivoBook S13 S330FN (all sub-models)
- ASUS VivoBook S13 S330UA (all sub-models)
- Also fits: S330F, S330U series with C31N1806 battery slot

**Replacement Part Numbers**
C31N1806, 0B200-03140000, 0B200-03140100

**Product Specifications**

| Specification |

Details

|
|---------------|---------|
| Battery Type | Li-ion |
| Voltage | 11.55V |
| Capacity | 42Wh / 3800mAh |
| Cells | 3-cell |
| Color | Black |
| Weight | Approx. 220g |
| Warranty | 2 Years |

**Comparison: Original vs. Replacement**

| Feature | Original ASUS Battery | Our Replacement |
|---------|----------------------|----------------|
| Voltage | 11.55V | 11.55V (identical) |
| Capacity | 42Wh | 42Wh (same) |
| Safety Certification | Yes | CE, FCC, RoHS |
| Price | High | Affordable |
| Warranty | 1 year | 2 years |

**Installation Tips**
1. Power off your laptop and disconnect the AC adapter.
2. Remove the bottom cover screws (Phillips #0 screwdriver recommended).
3. Gently disconnect the old battery cable and remove the battery.
4. Insert the new battery, connect the cable, and secure the cover.
5. Charge fully before first use for optimal performance.

**Package Includes**
- 1 x Replacement Battery for ASUS VivoBook S13
-

**Quality Assurance**
Each battery undergoes 100% charge/discharge testing, voltage stability check, and safety protection verification. We stand behind our product with a 2-year warranty and 30-day no-questions-asked return policy.

**Note**
- Please recycle old batteries responsibly.
- If your laptop does not power on after installation, double-check the cable connection.
- For any compatibility questions, contact us with your laptop model and original battery part number.

Order now and bring your VivoBook S13 back to full power!