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Replacement Battery B31N1842 for ASUS VivoBook 15 X513 / S15 S531
42Wh · 11.52V · 3-Cell Li-polymer · 1 Year Warranty
Rs. 6,000Rs. 6,500
Save Rs. 500
Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413: 42Wh · 11.55V · 3-Cell Li-polymer · 1 Year Warranty
No reviews yet, write the first oneRs. 6,000
You save Rs. 500
In stock, only 5 left
Last updated 11 Oct 2026
1
- 1 year proud nepal warranty
- Free deliveryAll over Nepal, usually the same day inside Kathmandu Valley, 2 to 3 days elsewhere in Nepal, sent with Nepal Can Move
- Visit the store in Putalisadak, open every day, 10 am to 8 pm
- Genuine productsWarranty policy
- Part number:
- B31N1911
- In the box:
- 1 x Battery
Highlights
- Product Type
- Laptop Battery
- Capacity mAh
- 3640mAh
- Capacity Wh
- 42Wh
- Nominal Voltage
- 11.55V
- Cell Count
- 3 Cells
- Chemistry
- Li-polymer
Click to enlargeSpecifications
Replacement battery B31N1911 for ASUS VivoBook 14 X421 / M413. It fits ASUS VivoBook 14 X421EA, X421EP, X421FA, X421JA, X421DA, M413DA, K413EA, S433EA, TM420IA, VivoBook 15 X1502VA, ExpertBook B1 B1402CVA, B1502CVA. Also sold as C31N1911, B31BME1, 0B200-03580000. Check the code printed on your old battery before ordering. 1 Year shop warranty from Proud Nepal IT Suppliers.
| Specification | Details |
|---|---|
| Product Type | Laptop Battery |
| Model | B31N1911 |
| Compatible Laptop Models | ASUS VivoBook 14 X421EA, X421EP, X421FA, X421JA, X421DA, M413DA, K413EA, S433EA, TM420IA, VivoBook 15 X1502VA, ExpertBook B1 B1402CVA, B1502CVA |
| Compatible Battery Part Numbers | C31N1911, B31BME1, 0B200-03580000 |
| Chemistry | Li-polymer |
| Nominal Voltage | 11.55V |
| Capacity mAh | 3640mAh |
| Capacity Wh | 42Wh |
| Cell Count | 3 Cells |
| Internal / External | Internal |
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Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413
Rs. 6,000
Questions & answers
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Compare Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 with similar products
Compare side by side →| Specification |  Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 |  Replacement Battery B31N1842 for ASUS VivoBook 15 X513 / S15 S531 |  Acer AP20CBL Laptop Battery |  Acer AP18E7M Laptop Battery |
|---|---|---|---|---|
| Price | Rs. 6,000 | Rs. 6,000 | Rs. 6,000 | Rs. 6,000 |
| Brand | ASUS | ASUS | ACER | ACER |
| Availability | In stock | In stock | In stock | In stock |
| Warranty | 1 year (proud nepal warranty) | 1 Year Warranty | 1 Year Warranty | 1 Year Warranty |
| Product Type | Laptop Battery | – | – | – |
| Model | B31N1911 | – | – | – |
| Compatible Laptop Models | ASUS VivoBook 14 X421EA, X421EP, X421FA, X421JA, X421DA, M413DA, K413EA, S433EA, TM420IA, VivoBook 15 X1502VA, ExpertBook B1 B1402CVA, B1502CVA | – | – | – |
| Compatible Battery Part Numbers | C31N1911, B31BME1, 0B200-03580000 | – | – | – |
| Chemistry | Li-polymer | – | – | – |
| Nominal Voltage | 11.55V | – | – | – |
| Capacity mAh | 3640mAh | – | – | – |
| Capacity Wh | 42Wh | – | – | – |
| Cell Count | 3 Cells | – | – | – |
| Internal / External | Internal | – | – | – |
| Part number | B31N1911 | – | – | – |
| Battery | – | 42Wh | 54.6Wh · 3550mAh | 57.5Wh · 3733mAh |
| Features | – | 11.52V · 3-Cell Li-polymer | 15.4V · 4-Cell Li-Polymer · for Acer Nitro 5 AN515-57 AN515-58 AN517-54 AN517-55 & Aspire 7 A715 Series | 15.4V · 4-Cell Li-Polymer · for Nitro 5 AN515-54 AN515-55 AN517-51 AN517-52 & Aspire 7 A715-74G A715-75G · AP18C8K AP18E8M |
Frequently asked questions
What is the price of Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 in Nepal?
Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 costs Rs. 6,000 at Proud Nepal IT Suppliers (offer price; regular price Rs. 6,500), with free delivery all over Nepal.
Is Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 in stock?
Yes, Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 is in stock. Order it online or visit our store in Putalisadak, Kathmandu.
What are the specifications of Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413?
Product Type: Laptop Battery; Model: B31N1911; Compatible Laptop Models: ASUS VivoBook 14 X421EA, X421EP, X421FA, X421JA, X421DA, M413DA, K413EA, S433EA, TM420IA, VivoBook 15 X1502VA, ExpertBook B1 B1402CVA, B1502CVA; Compatible Battery Part Numbers: C31N1911, B31BME1, 0B200-03580000; Chemistry: Li-polymer; Nominal Voltage: 11.55V; Capacity mAh: 3640mAh; Capacity Wh: 42Wh.
What is the part number of Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413?
The part number (MPN) of Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 is B31N1911.
What warranty does Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 come with?
Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 comes with 1 year warranty from Proud Nepal IT Suppliers. Keep the bill, the box and the serial-number sticker for claims.
What's in the box with Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413?
1 x Battery.
Is Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 from Proud Nepal IT Suppliers genuine?
Yes. Everything Proud Nepal IT Suppliers sells is genuine and new, with a bill from Proud Nepal IT Suppliers Pvt. Ltd. and the warranty of the brand or its authorised distributor in Nepal, unless the product page says otherwise.
Do you deliver Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413 outside Kathmandu?
Yes. Delivery is free everywhere in Nepal, with no minimum order. It is usually the same day inside Kathmandu Valley, 2 to 3 days elsewhere in Nepal, sent with Nepal Can Move. We call you to confirm the order first.
How can I pay for Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413?
Pay the full amount online to our company QR and upload the payment screenshot at checkout, or choose cash on delivery: a 50% advance by QR when ordering and the rest when it arrives.
Can I return Replacement Battery B31N1911 for ASUS VivoBook 14 X421 / M413?
We don't offer refunds or change-of-mind returns, so please check the specifications or ask us before ordering. Check the package in front of the delivery person: if it's damaged or not what you ordered, take a photo and tell us the same day. A product that develops a fault is repaired or replaced under its warranty.
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