The C21N1347 battery is a Li-Polymer replacement for Asus laptops with 7.6 V and 4000 mAh. It is compatible with over 150 models from the A555, F555, K555, and X555 series. New, verified component, with 3 years warranty and shipping from Spain in 24-48 h.
C21N1347
C21N1347 Battery for Asus A555, F555, K555, and X555 Laptops - 7.6V 4000mAh Li-Polymer
New, verified replacement component with 3 years warranty.
Designed for Asus laptops using the C21N1347 reference, ensuring a perfect fit and operation in the A555, F555, K555, and X555 series.
Manufactured with 4 Lithium Polymer cells (7.6V, 4000 mAh) with no memory effect for greater durability and efficient charging cycles.
Each unit is individually checked by our technical service to ensure optimal performance, capacity, and safety before shipping.
We offer 3 years warranty for private customers (1 year for professionals) and fast shipping from our warehouse in Spain.
The replacement battery with reference C21N1347 is designed to restore the original autonomy of a wide range of Asus laptops. It is the ideal solution to replace an exhausted or defective battery in equipment from the A555, F555, K555, X555 series and many other compatible ones.
Manufactured with high-quality Lithium Polymer (Li-Polymer) cells, with a voltage of 7.6 V and a capacity of 4000 mAh, it guarantees stable and long-lasting performance, without the "memory effect" that affected older technologies. Each unit is checked and verified by our technical team to ensure its correct operation, compatibility, and safety before shipping.
It is the perfect choice for technical services and private users looking for a reliable and safe replacement component, backed by a 3-year warranty. Recover your equipment's mobility with a battery that meets the performance standards of the original component.
To maximize the lifespan of your new battery, it is recommended to perform a complete initial charge and discharge cycle: charge it to 100% and use the laptop until the operating system warns of low battery before recharging. Avoid exposure to extreme temperatures and do not leave the battery completely discharged for prolonged periods. Calibrating the battery every 2-3 months helps maintain the accuracy of the charge meter.
For technical services and private users who need to replace the exhausted battery of a compatible Asus laptop to restore its autonomy and mobility.
| Voltaje | 7.6 V |
|---|---|
| Capacidad | 4000 mAh |
| Tecnología | Li-Polymer (Li-Po) |
|---|---|
| Número de celdas | 4 |
| Color | Black |
| Referencia | C21N1347 |
|---|---|
| Estado | New |
| Garantía | 3 years |
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 remove the original battery and check the Part Number printed on it. If it matches C21N1347, it is the correct one. You can also check if your exact laptop model (e.g., Asus A555LA) appears in our list of compatible models. If you have doubts, contact our technical support.
Yes, it is highly recommended. To calibrate the new battery, charge it completely to 100%. Then, use the laptop on battery until it discharges and the device turns off. Finally, recharge it to 100% without interruptions. This process helps the operating system recognize the battery's real capacity and display accurate charge percentages.
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 orders are shipped from our warehouse in Spain. For Spain and Portugal, the delivery time is 24-48 business hours. For France, delivery is 48-72 business hours, and for the rest of the EU, the timeframe is 2 to 5 business days.
Data sheet
Working well, fast delivery.
Good battery!