C31-X402 Battery for Asus Laptop - 11.1V 4000mAh 6-Cell Li-Ion
€34.99
Tax included
The C31-X402 battery is a compatible replacement for Asus VivoBook laptops with 4000 mAh capacity and 11.1V. It is compatible with S300, S400, X402 series and 9 specific models. New, inspected in Spain, with a 3-year warranty and 24-48h shipping.
C31-X402
C31-X402 Battery for Asus Laptop - 11.1V 4000mAh 6-Cell Li-Ion
Compatible replacement battery for Asus VivoBook S300, S400, and X402 series. New, with 3-year warranty.
- 4000 mAh
- 11.1V / 10.8V
- 6 Li-Ion Cells
- New
Key features
-
Nominal Capacity
4000 mAh for extended autonomy.
-
Voltage
11.1V, compatible with 10.8V systems.
-
Cell Technology
6 Li-Ion cells for stable performance.
-
Specific Compatibility
Designed for Asus VivoBook S300, S400, and X402.
Product description
The Asus laptop battery with reference C31-X402 is a replacement component designed to restore your device's autonomy. With a capacity of 4000 mAh and a voltage of 11.1V (compatible with 10.8V systems), this 6-cell Li-Ion battery provides stable and reliable power.
This replacement is the ideal solution for technical services and users who need to replace an exhausted battery in Asus VivoBook S300, S400, and X402 series laptops. Each unit has been inspected by our technical service to ensure its correct functioning and features integrated protections against overvoltage and undervoltage, protecting your computer.
- Capacity: 4000 mAh
- Voltage: 11.1V (compatible with 10.8V)
- Technology: 6 cells, Li-Ion
- Condition: New component
To maximize the lifespan of your new battery, it is recommended to perform an initial full charge and discharge cycle. Avoid exposure to extreme temperatures and do not habitually let the battery discharge completely. Calibrating the battery every 2-3 months will help maintain the accuracy of your operating system's charge indicator.
Who is this product for?
For technical services and individual users who need to replace the exhausted battery of a compatible Asus VivoBook laptop.
Ideal for
- Battery replacement in Asus VivoBook S300CA.
- Restore autonomy of an Asus VivoBook S400 laptop.
- Repair of an Asus X402C that does not hold a charge.
- Component replacement for laptop fleet maintenance.
Technical specifications
| Capacidad | 4000 mAh |
|---|---|
| Voltaje | 11.1V (compatible with 10.8V) |
| Number of Cells | 6 |
| Cell Technology | Li-Ion |
| Color | Black |
|---|
| Compatible Brand | Asus |
|---|---|
| Part Number Principal | C31-X402 |
Compatibility
Compatible part numbers
- C31-X402
Compatible laptop models
- Asus VivoBook S300
- Asus VivoBook S300C
- Asus VivoBook S300CA
- Asus VivoBook S400
- Asus VivoBook S400C
- Asus VivoBook S400CA
- Asus X402
- Asus X402C
- Asus X402CA
Always check the part number printed on your original part before ordering; if in doubt, contact us with the exact model of your device.
Frequently asked questions
How can I confirm that this C31-X402 battery is the correct one for my Asus laptop?
The safest way is to remove your current battery and check the part number printed on the label. If it matches C31-X402, this is the correct battery. You can also check if your laptop model, such as Asus VivoBook S400CA, is on our list of compatible models.
Is it necessary to calibrate the new battery upon installation?
Yes, it is highly recommended. To calibrate it, install the battery, charge it to 100% without interruption, then use it until it is completely discharged and the laptop turns off. Finally, charge it back to 100%. This process helps the operating system display the charge level accurately.
What warranty does it have and how do returns work if it's not compatible?
We offer a 3-year warranty for private customers and 1 year for professionals. If the battery is not compatible, you have 14 days to return it. You can arrange the return shipping yourself or request a home collection for 8,90 € in Spain and Portugal, which will be deducted from the refund.
How long will my order take to arrive?
All orders are prepared and shipped from our warehouse in Spain. For Spain and Portugal, the delivery time is 24-48 business hours. For other EU countries, such as France or Germany, the timeframe is usually 2 to 5 business days.
Warranty, returns and shipping
- Warranty: 3-year warranty (1 year for business customers)
- Returns: 14-day returns (ship it yourself or €8.90 home pickup in Spain and Portugal)
- Shipping: EU delivery 48-120 h
- Condition: New
BAT-AS87
Data sheet
- CG. Reference
- BAT-AS87
- CG. Type of piece
- Laptop Battery
- CG. State
- New
- CG. Warranty
- 3 years
- CB. Voltage
- 11.1V
- CB. Number of cells
- 6
- CB. Cell technology
- Li-Ion
- CB. Color
- Black
- CB. Capacity
- 4000 mAh
- CB. Overload protection
- Yeah.
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C31-X402 replacement battery for Asus laptops. Offers 11.1V, 4000 mAh, and 6 Li-Ion cells. Compatible with Asus VivoBook S300, S400, X402, and more. New, inspected component with a 3-year warranty.
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