# Replacement Battery B31N1842 for ASUS VivoBook 15 X513 / S15 S531

42Wh · 11.52V · 3-Cell Li-polymer · 1 Year Warranty

- Price: NPR 6,000 (offer; regular price NPR 6,500, you save NPR 500, 8% off)
- Availability: In stock, only 5 left
- Brand: [ASUS](https://proudnepal.com.np/brands/asus)
- Category: Battery
- Warranty: 1 year proud nepal warranty
- Part number: B31N1842
- In the box: 1 x Battery
- Last updated 11 Oct 2026

## Key specifications

- Product Type: Laptop Battery
- Capacity mAh: 3653mAh
- Capacity Wh: 42Wh
- Nominal Voltage: 11.52V
- Cell Count: 3 Cells
- Chemistry: Li-polymer

## Description

Replacement battery B31N1842 for ASUS VivoBook 15 X513 / S15 S531. It fits ASUS VivoBook 15 X513EA, X513EP, X513IA, X513UA, K513EA, VivoBook S15 S531FA, S531FL, K531FA, V531FA, X531FA. Also sold as C31N1842, 0B200-03440000. Check the code printed on your old battery before ordering. 1 Year shop warranty from Proud Nepal IT Suppliers.

- Product Type: Laptop Battery
- Model: B31N1842
- Compatible Laptop Models: ASUS VivoBook 15 X513EA, X513EP, X513IA, X513UA, K513EA, VivoBook S15 S531FA, S531FL, K531FA, V531FA, X531FA
- Compatible Battery Part Numbers: C31N1842, 0B200-03440000
- Chemistry: Li-polymer
- Nominal Voltage: 11.52V
- Capacity mAh: 3653mAh
- Capacity Wh: 42Wh
- Cell Count: 3 Cells
- Internal / External: Internal

## Delivery, warranty and returns

- Delivery: free all over Nepal, usually the same day inside Kathmandu Valley, 2 to 3 days elsewhere in Nepal, sent with Nepal Can Move.
- Refunds: We don't offer refunds. Faulty products are repaired or replaced under warranty. https://proudnepal.com.np/policies/returns
- Warranty policy: https://proudnepal.com.np/policies/warranty
- Prices are in Nepali rupees (NPR).

## Contact

- Proud Nepal IT Suppliers Pvt. Ltd., Putalisadak, Kathmandu, Nepal
- Phone and WhatsApp: +977 9867174242
- Email: proudnepalits@gmail.com

Product page: https://proudnepal.com.np/products/replacement-battery-b31n1842-for-asus-vivobook-15-x513-s15-s531