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C21N1515 battery for Asus laptop X756, X756UA and X756UQ series

C21N1515 Battery for Asus Laptop - 7.6V 4650mAh 4-Cell Li-Ion

€35.99

Tax included

Reference: BAT-AS112

Brand: OEM

⚠️ LAST UNITS - FEW LEFT

Orders before 4:00 PM (Friday 3:00 PM, Spain time) ship the same day - Delivery in 24-48h (mainland Spain and Portugal)

Only 2 to 4 units left

⚡ Buy it NOW before it's gone!

EU shipping 48-96h 14-day returns 3-year warranty

Quantity:

Warranty
3 years

14 days to return

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payment

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The C21N1515 battery is a replacement for Asus X756 series laptops, with 7.6V voltage and 4650 mAh capacity. It is compatible with over 25 models of the X756 series. It is a new, verified product, with a 3-year warranty and shipping from Spain in 24-48 hours.

C21N1515

C21N1515 Battery for Asus Laptop - 7.6V 4650mAh 4-Cell Li-Ion

Compatible replacement battery, new and with 3 years warranty.

7.6V 4650 mAh
4 Li-Ion Cells
New

Key features

🔧 Guaranteed Compatibility
Specifically designed for Asus X756 series laptops. Direct replacement for reference C21N1515.
⚡ Reliable Performance
With 4 Li-Ion cells, 7.6V and 4650 mAh capacity, it restores your device's original battery life.
🔌 Integrated Safety
Equipped with overvoltage and undervoltage protection circuits to protect your laptop.
💡 Verified Quality
Each battery is checked by our technical service to ensure its correct functioning and durability.

Product description

The replacement battery with reference C21N1515 is the ideal solution to restore the battery life of your Asus laptop. This component has been manufactured with Li-Ion cells, offering a capacity of 4650 mAh and a voltage of 7.6V, specifications that ensure stable and long-lasting performance. It is a direct and reliable replacement for the original battery, ensuring precise compatibility with Asus X756 series models.

All our batteries undergo a rigorous verification process in our technical service to guarantee their perfect functioning and safety, including overvoltage and undervoltage protections. It is a completely new product and ready to install.

Recommended initial calibration: To maximize lifespan, perform a full charge cycle to 100%, followed by a full discharge until the device turns off, and finish with another uninterrupted full charge.

To maximize the lifespan of your new battery, it is recommended to perform a complete initial charge and discharge cycle. Once installed, charge the battery to 100% without interruptions. Then, use the laptop until the battery is completely discharged and the device turns off. Finally, perform another full charge to 100%. This process calibrates the battery and ensures optimal long-term performance.

Who is this product for?

For technical services and private users who need to replace the depleted battery of an Asus X756 series laptop.

Ideal for

Replacement of an original C21N1515 battery that no longer holds a charge.
Repair of an Asus X756UA laptop that does not turn on without being connected to power.
Restore the battery life of an Asus X756UQ laptop for mobile use.
Preventive maintenance on Asus X756 series devices with degraded batteries.

Technical specifications

Electrical Specifications
Voltaje	7.6 V
Capacidad	4650 mAh

Construction
Cell Technology	Li-Ion
Number of cells	4
Color	Black

Compatibility
Compatible Brand	Asus
Main Reference	C21N1515

Compatibility

Compatible part numbers

C21N1515

Compatible laptop models

X756
X756U
X756UA
X756UA BB31
X756UA TY006T
X756UA TY029T
X756UA TY056T
X756UA TY094T
X756UA TY175T
X756UA TY227T
X756UA TY240T
X756UA TY337T
X756UA TY444T
X756UA TY464T
X756UAK
X756UAM
X756UB
X756UB TY019T
X756UB TY028T
X756UJ
X756UQ
X756UQ TY051T
X756UQ TY057T
X756UQ TY165T
X756UQ TY166T
X756UV
X756UV TY205T
X756UV TY206T
X756UW
X756UX

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 C21N1515 battery is compatible with my Asus laptop?

The most reliable way is to check the part number of your original battery. If the label says 'C21N1515', this battery is 100% compatible. You can also check if your laptop model, for example 'Asus X756UA', is on our list of compatible models. If you have any doubts, contact our technical support.

Is it necessary to calibrate the battery the first time I use it?

Yes, it is highly recommended. To calibrate it, perform a full charge to 100% without using the device. Then, use it normally until the battery is completely depleted and the laptop turns off. Finally, charge it back to 100% without interruptions. This process ensures that the system measures the real capacity and optimizes its lifespan.

How many hours of battery life can I expect from this battery?

Battery life depends on laptop usage (screen brightness, programs running, etc.) and its power consumption. This 4650 mAh battery is designed to restore the original battery life your device had when it was new. Performance will be similar to that of the factory-supplied battery.

What warranty does it have and how do returns work if it doesn't suit me?

We offer a 3-year warranty for private customers and 1 year for professionals. If the battery is not compatible or you are not satisfied, you have 14 days to return it. You can arrange the return shipping yourself or request a home pickup for 8.90 € in Spain and Portugal, which will be deducted from the refund.

How long will my order take to arrive?

All our shipments are made from Spain. For orders in Spain and Portugal, the delivery time is 24 to 48 working hours. For France, the period is 48 to 72 hours, and for Germany, 48 to 96 hours. For the rest of the European Union, delivery is made within 2 to 5 working 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

Brand OEM

Reference BAT-AS112

Data sheet