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`B31N1911 C31N1911 Laptop Battery 11.55V 42Wh for ASUS VivoBook Flip 14 TM420IA M413DA TP470EZ TP470EA TP420UA TP420IA F413 S413 V4050F ADOL14FQC REDOLBOOK14F/E/I X421 Series, Replaces 0B200-03750000
- High Compatibility: Directly replaces original ASUS B31N1911 battery, compatible with V4050F, ADOL14FQC, REDOLBOOK14F/E/I, X421, and more models.
- Reliable Performance: 11.55V, 42Wh Li-ion battery ensures stable power output, longer standby time, and supports safe charging cycles.
- Safety & Durability: Built with Grade A cells, overcharge/over-discharge/short circuit protection, CE & RoHS certified.
- Easy Installation: Plug-and-play design, no extra tools or driver modifications required.
- Year Warranty: Full replacement or refund guarantee for any quality issues within 3 years.
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Overview
Specs
Reviews
**Product Overview**
Upgrade your ASUS laptop with this high-quality replacement battery (Model: B31N1911). Designed specifically for V4050F, ADOL14FQC, REDOLBOOK14F/E/I, X421 series, it delivers the same voltage and capacity as the original, ensuring seamless compatibility and reliable performance.
** Important Voltage Warning**
Please confirm your original battery voltage is ** 11.55V ** before purchasing. Using an incorrect voltage battery may cause charging failure or damage to your device.
**Compatible Laptop Models (Partial List) **
- ASUS V4050F Series
- ASUS ADOL14FQC Series
- ASUS REDOLBOOK14F / 14E / 14I Series
- ASUS X421 Series
- Other models using B31N1911 battery
**Battery Specifications**
| Parameter | Value |
|-----------|-------|
| Model | B31N1911 |
| Voltage | 11.55V |
| Capacity | 42Wh |
| Cell Type | Li-ion |
| Color | Black |
| Warranty | 3 Years |
**Comparison Table: Original vs. Our Battery**
| Feature | Original ASUS Battery | Our Replacement Battery |
|---------|----------------------|------------------------|
| Voltage | 11.55V | 11.55V (Exact Match) |
| Capacity | 42Wh | 42Wh (Equal) |
| Cell Grade | Standard | Grade A (Higher Cycle Life) |
| Safety Certifications | Yes | CE, RoHS, FCC |
| Warranty | 1 Year | 3 Years |
**Installation Tips**
1. Shut down your laptop and unplug the AC adapter.
2. Remove the bottom cover (screws may vary by model).
3. Disconnect the old battery cable and remove the battery.
4. Install the new battery, reconnect the cable, and secure the cover.
5. Charge fully before first use for optimal performance.
**Package Includes**
- 1x Replacement Battery (B31N1911)
-
**Note**
This is a compatible replacement, not an OEM product. Please verify your laptop model and battery voltage before ordering. For any compatibility questions, contact us with your laptop serial number.
**3-Year Warranty & Support**
We stand behind our product. If you encounter any issues, we will replace or refund within 3 years.
Upgrade your ASUS laptop with this high-quality replacement battery (Model: B31N1911). Designed specifically for V4050F, ADOL14FQC, REDOLBOOK14F/E/I, X421 series, it delivers the same voltage and capacity as the original, ensuring seamless compatibility and reliable performance.
** Important Voltage Warning**
Please confirm your original battery voltage is ** 11.55V ** before purchasing. Using an incorrect voltage battery may cause charging failure or damage to your device.
**Compatible Laptop Models (Partial List) **
- ASUS V4050F Series
- ASUS ADOL14FQC Series
- ASUS REDOLBOOK14F / 14E / 14I Series
- ASUS X421 Series
- Other models using B31N1911 battery
**Battery Specifications**
| Parameter | Value |
|-----------|-------|
| Model | B31N1911 |
| Voltage | 11.55V |
| Capacity | 42Wh |
| Cell Type | Li-ion |
| Color | Black |
| Warranty | 3 Years |
**Comparison Table: Original vs. Our Battery**
| Feature | Original ASUS Battery | Our Replacement Battery |
|---------|----------------------|------------------------|
| Voltage | 11.55V | 11.55V (Exact Match) |
| Capacity | 42Wh | 42Wh (Equal) |
| Cell Grade | Standard | Grade A (Higher Cycle Life) |
| Safety Certifications | Yes | CE, RoHS, FCC |
| Warranty | 1 Year | 3 Years |
**Installation Tips**
1. Shut down your laptop and unplug the AC adapter.
2. Remove the bottom cover (screws may vary by model).
3. Disconnect the old battery cable and remove the battery.
4. Install the new battery, reconnect the cable, and secure the cover.
5. Charge fully before first use for optimal performance.
**Package Includes**
- 1x Replacement Battery (B31N1911)
-
**Note**
This is a compatible replacement, not an OEM product. Please verify your laptop model and battery voltage before ordering. For any compatibility questions, contact us with your laptop serial number.
**3-Year Warranty & Support**
We stand behind our product. If you encounter any issues, we will replace or refund within 3 years.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 90 days
- This item is covered by xuanlan Return Policy
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