C21N1819 Battery for Asus Laptop - 7.7V 4940mAh 2-Cell Li-Ion
€65.99
Tax included
The C21N1819 battery is a replacement part for Asus laptops with 7.7V and 4940mAh capacity. It is compatible with various VivoBook 14 series models and part numbers such as 0B200-03200100. New component, with 3 years warranty and shipping from Spain in 24-48 h.
Asus · C21N1819
C21N1819 Battery for Asus Laptop - 7.7V 4940mAh 2-Cell Li-Ion
New replacement component, with 3 years warranty and shipping from Spain.
- 7.7 V / 4940 mAh
- 2 Li-Ion Cells
- New
Key features
-
Nominal Voltage
7.7 V, ensuring electrical compatibility with your device.
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Capacity
4940 mAh (38 Wh) for extended autonomy.
-
Cell Technology
2 Li-Ion cells for greater efficiency and durability.
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Specific Compatibility
Designed for Asus VivoBook 14 series laptops.
Product description
The battery with part number C21N1819 is a replacement component designed to restore autonomy to Asus laptops. This compatible replacement operates at a voltage of 7.7 V and has a capacity of 4940 mAh (38 Wh), using 2-cell lithium-ion (Li-Ion) technology that offers an excellent balance between durability and weight.
It is the ideal solution for technicians and users who need to replace a degraded or defective battery in Asus VivoBook 14 series devices. All our batteries are new components, individually checked in our technical service to guarantee their correct functioning and safety. It is delivered ready for installation, allowing for quick and effective repair.
To ensure 100% compatibility, it is essential to verify that the part number of your original battery matches C21N1819 or one of its equivalents. It is also advisable to compare the voltage (V) with that of the part to be replaced. A small difference in capacity (mAh) does not affect operation, but it does affect the device's final autonomy.
Who is this product for?
For technical services and individual users who need to replace the depleted battery of an Asus VivoBook laptop to restore its autonomy and portability.
Ideal for
- Replacement of original C21N1819 battery in an Asus VivoBook 14.
- Repair of an Asus laptop that does not charge or whose battery life is short.
- Restore the portability of a computer that only works when connected to power.
- Preventive maintenance of equipment with batteries degraded by use.
Technical specifications
| Voltage | 7.7 V |
|---|---|
| Capacity | 4940 mAh |
| Energy | 38 Wh |
| Technology | Li-Ion |
|---|---|
| Number of Cells | 2 |
| Color | Black |
| Brand | Asus |
|---|
Compatibility
Compatible part numbers
- C21N1819
- 0B200-03200100
- 0B200-03200000
Compatible laptop models
- Asus VivoBook 14 F420 Series
- Asus VivoBook 14 F420F
- Asus VivoBook 14 F420FA
- Asus VivoBook 14 F420U
- Asus VivoBook 14 F420UA
- Asus VivoBook 14 S420UA
- Asus VivoBook X420FA
- Asus VivoBook X420UA
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 be sure that this C21N1819 battery is the correct one for my Asus VivoBook?
The most reliable way is to remove the original battery and check the part number (P/N) printed on it. If it matches C21N1819 or one of its equivalents (0B200-03200100, 0B200-03200000), this is the correct battery. You can also verify that your laptop model is on our compatibility list.
Is it necessary to calibrate the new battery after installation?
Yes, it is highly recommended. To calibrate it, charge the battery to 100% with the laptop turned off. Then, turn it on and use it until the battery is completely discharged and the device turns off. Finally, recharge it to 100% without interruptions. This process helps the system recognize the actual capacity of the new battery.
What warranty does the battery have and what do I do if it doesn't work or fit?
The battery has a 3-year warranty for private customers and 1 year for professionals. If for any reason it is not compatible or does not work, 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 does it take for the order to arrive at my workshop or home?
All our shipments are made from Spain. For orders in Spain and Portugal, the delivery time is 24 to 48 working hours. For other EU countries such as France or Germany, the period can be 48 to 96 hours. Orders placed before 16:00 (Friday 15:00) are prepared on the same day.
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-AS917
Data sheet
- CG. Reference
- C21N1819
- CG. Type of piece
- Battery
- CG. State
- New
- CG. Warranty
- 3 years
- CB. Voltage
- 7.7 V
- CB. Number of cells
- 2
- CB. Cell technology
- Li-Ion
- CB. Color
- Black
- CB. Capacity
- 4940 mAh
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C21N1819 replacement battery for Asus VivoBook 14 laptops. Offers 7.7V and 4940mAh (38Wh) capacity with 2 Li-Ion cells. New, verified component with 3 years warranty to restore your device's autonomy.
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