The C21N1347 battery is a replacement for Asus laptops with a capacity of 4000 mAh and 7.6V. It is compatible with over 150 models from the A555, F555, K555, X555, and R556 series. It is delivered new, with a 3-year warranty and shipping from Spain in 24-48 hours.
C21N1347
C21N1347 Battery for Asus Laptop - 7.6V 4000mAh 4-Cell Li-Ion
New replacement battery, compatible with Asus A555, F555, K555, and X555 series. 3-year warranty.
4000 mAh for extended autonomy.
7.6V, compatible with 7.4V systems, for safe performance.
4 Li-Ion cells for reliable and long-lasting performance.
Designed for Asus A555, F555, K555, X555, and R556 series.
Integrated protection against overvoltage and undervoltage.
The laptop battery with reference C21N1347 is the ideal solution to replace an exhausted component and restore original autonomy in a wide range of Asus laptops. This replacement has a capacity of 4000 mAh, a voltage of 7.6V (compatible with 7.4V), and is built with 4 high-quality Li-Ion cells.
It includes integrated protection circuits against overvoltages and undervoltages, ensuring safe and reliable operation for your device. It is fully compatible with Asus A555, F555, K555, X555, R556 series and many more. Each unit is verified by our technical service in Spain to ensure its correct functioning and compatibility before shipping.
For optimal performance, it is recommended to perform a full charge cycle (100%) and discharge (down to 10-15%) after the first installation. Avoid exposure to extreme temperatures and regularly fully discharging the battery to prolong its lifespan.
For technical services and private users who need to replace the exhausted battery of their Asus laptop to regain mobility and autonomy.
| Capacity | 4000 mAh |
|---|---|
| Voltage | 7.6V (compatible with 7.4V) |
| Number of cells | 4 |
| Cell technology | Li-Ion |
| Color | Black |
|---|
| Condition | New |
|---|---|
| Protection | Circuits against overvoltage and undervoltage |
Always check the part number printed on your original part before ordering; if in doubt, contact us with the exact model of your device.
The safest way is to check the part number of your original battery. If it is 'C21N1347', this is the correct one. You can also check if your laptop model (e.g., A555LA, X555UJ) appears in our 'Compatible Equipment Models' list. If you have doubts, contact our technical service.
Yes, it is highly recommended. After installing it, charge the battery to 100% without interruptions. Then, use the laptop until the battery discharges to 10-15% and the system notifies you. Finally, charge it back to 100%. This initial cycle helps calibrate the charge sensor and optimizes its performance.
We offer a 3-year warranty for private customers and 1 year for professionals. If the battery is not compatible or has any defect, you have 14 days to return it. You can manage the return yourself or request a home collection for €8.90 in Spain and Portugal, which will be deducted from the refund.
All our orders are shipped from Spain. For Spain and Portugal, the delivery time is 24-48 business hours if you place the order before 16:00. For other EU countries, such as France or Germany, the period may vary between 2 and 5 business days.
Data sheet
effective battery with good duration
Green Cell brand battery, quality.
The laptop gained a new life.
Very good price.
Great
I just changed it on my asus f555l.
For now, it works correctly
Very good.
Phenomenal
Good product