C31N1339 Battery for Asus Zenbook UX303 and Transformer Book Laptop - 11.31V 3625mAh Li-Polymer
€37.99
Tax included
The C31N1339 battery is a lithium polymer replacement for Asus Zenbook UX303 and Transformer Book Q302 laptops, with 11.31V and 3625mAh (41Wh). Compatible with 4 equivalent part numbers and more than 10 laptop models. New component, with 3 years warranty and shipping from Spain in 24-48 h.
C31N1339
C31N1339 Battery for Asus Zenbook UX303 and Transformer Book Laptop - 11.31V 3625mAh Li-Polymer
New replacement battery with 3 years warranty. 41 Wh capacity.
- 3625 mAh / 41 Wh
- 11.31 V Li-Polymer
- New
Key features
-
Real Capacity
3625 mAh / 41 Wh to restore your device's original autonomy.
-
Specific Voltage
11.31 V, designed for the circuitry of compatible Asus laptops.
-
Li-Polymer Technology
Lithium polymer cells for greater safety, durability, and reduced weight.
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Verified Compatibility
Reviewed to ensure operation in Asus Zenbook UX303, Transformer Book Q302, and TP300 series.
Product description
The replacement battery with reference C31N1339 is the technical solution to restore the autonomy of your Asus laptop. This component has been verified by our technical service to ensure maximum quality and stable performance. With a capacity of 3625 mAh (41 Wh) and a voltage of 11.31 V, this lithium polymer battery will restore mobility to your device, allowing you to work without being connected to power.
Designed to be fully compatible with a wide range of models, including the Asus Zenbook UX303 and Asus Transformer Book Q302 and TP300 series. It incorporates protection circuits against overvoltages and undervoltages to ensure the safety of your laptop during charging and discharging. It is a new replacement component, ready to be installed.
- Capacity: 3625 mAh / 41 Wh
- Voltage: 11.31 V
- Technology: Lithium Polymer (Li-Po)
- Condition: New component
To optimize the lifespan of the C31N1339 battery, an initial calibration cycle is recommended: charge it to 100%, use it until the level drops to 10-15%, and then fully recharge it without interruptions. Avoid recurrent deep discharges (0%) to maximize its long-term durability and performance.
Who is this product for?
For technical services and private users who need to replace the depleted battery of a compatible Asus Zenbook or Transformer Book laptop.
Ideal for
- Replacement of original C31N1339 battery in an Asus Zenbook UX303LN.
- Restore the autonomy of an Asus Transformer Book Q302LA.
- Repair of an Asus laptop that no longer charges or whose battery life is short.
- Battery replacement for an Asus TP300 laptop.
Technical specifications
| Capacity | 3625 mAh |
|---|---|
| Energy | 41 Wh |
| Voltage | 11.31 V |
| Technology | Lithium Polymer (Li-Po) |
| Color | Black |
|---|---|
| Weight | 300 g |
| Brand | Asus |
|---|---|
| Main Part Number | C31N1339 |
Compatibility
Compatible part numbers
- C31N1339
- 0B200-00930000
- 0B200-00930100
- 0B200-00930200
- 0B200-00930300
Compatible laptop models
- Asus Transformer Book Q302
- Asus Transformer Book Q302L
- Asus Transformer Book Q302LA
- Asus Transformer Book Q302U
- Asus Transformer Book Q302UA
- Asus Transformer Book TP300
- Asus Zenbook UX303
- Asus Zenbook UX303L
- Asus Zenbook UX303LA
- Asus Zenbook UX303LB
- Asus Zenbook UX303LN
- Asus Zenbook UX303U
- Asus Zenbook UX303UA
- Asus Zenbook UX303UB
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 tell if this C31N1339 battery is compatible with my Asus laptop?
The safest way is to remove your current battery and check that the printed part number matches C31N1339 or one of the listed compatible ones. You can also verify that your laptop model, for example, 'Asus Zenbook UX303LA', is on our list of compatible models. If you have any doubts, contact our technical support.
Is it necessary to calibrate the new battery the first time?
Yes, it is highly recommended. To calibrate it, charge the battery to 100% without interruptions. Then, use the laptop until the battery discharges to 10-15%. Finally, recharge it to 100%. This process helps the system recognize the battery's real capacity and optimizes its long-term performance.
What warranty does this battery have and how do returns work?
The battery has a 3-year warranty for private customers and 1 year for professionals. It covers any manufacturing defects. Additionally, you have 14 days to return it if you are not satisfied. You can manage 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 does the order take to arrive?
All our products are shipped from Spain. For orders in Spain and Portugal, the delivery time is 24 to 48 business hours. For France, 48 to 72 hours, and for Germany, 48 to 96 hours. For the rest of the European Union, the delivery time is 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-AS132
Data sheet
- CG. Reference
- C31N1339
- CG. Type of piece
- Laptop Battery
- CG. State
- New
- CG. Warranty
- 3 years
- CB. Voltage
- 11.31 V
- CB. Cell technology
- Lithium Polymer
- CB. Color
- Black
- CB. Capacity
- 3625 mAh
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C31N1339 replacement battery for Asus laptops. Offers 11.31V and 3625mAh (41Wh) capacity. Made with lithium polymer cells, it is compatible with Zenbook UX303 and Transformer Book Q302 series. New component with 3 years warranty.
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