---
product_id: 586185078
title: "B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh"
brand: "antiee"
price: "VT21031"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/586185078-b31n1842-laptop-battery-for-asus-vivobook-s15-s531fa-s531fl-k531fa
store_origin: VU
region: Vanuatu
---

# 11.52V Voltage 500 Recharge Cycles 42Wh Capacity B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh

**Brand:** antiee
**Price:** VT21031
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Your Passion with Confidence!

## Quick Answers

- **What is this?** B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh by antiee
- **How much does it cost?** VT21031 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/586185078-b31n1842-laptop-battery-for-asus-vivobook-s15-s531fa-s531fl-k531fa)

## Best For

- antiee enthusiasts

## Why This Product

- Trusted antiee brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** CE / FCC / RoHS certified, ensuring top-notch safety and reliability.
- • **Worry-Free Warranty:** 30-day money-back guarantee and 12-month warranty for peace of mind.
- • **Seamless Compatibility:** Designed to fit a wide range of ASUS VivoBook models for hassle-free integration.
- • **Long-lasting Performance:** Enjoy up to 500 recharge cycles, making this battery a sustainable choice.
- • **Power Up Your Productivity:** Experience uninterrupted work sessions with a robust 42Wh capacity.

## Overview

The B31N1842 Laptop Battery is a high-quality, rechargeable lithium-ion battery designed specifically for various ASUS VivoBook models. With a capacity of 42Wh and a voltage of 11.52V, it ensures reliable performance and longevity, supporting up to 500 recharge cycles. This battery is rigorously tested for safety and compatibility, making it an essential upgrade for your laptop.

## Description

B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh

## Features

- 【Specification】Voltage: 11.52V. Capacity: 42Wh 3653mAh. Battery Type: Li-Polymer. Condition: Brand new, from high quality materials, top circuit boards and smart chip.
- 【Replace Part Number】Fit for B31N1842 / 0B200-03440000.
- 【Compatible Laptop Models】Fit for Asus VivoBook 15 M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP X513EA X513EP X513EQ X513IA,VivoBook S15 S531FA S531FL Series,Asus K531 V531 X531 S5500F S5500FL V5050E V5050EA V5050EA1135 Series Notebook.
- 【ANTIEE Promise】Each products has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety. About 500 recharge cycles over the life.
- 【ANTIEE After-sales】30 days money back, 12 months of warranty! Support: The return window will be closed a month after you received the the product. Contact us by email at any time, we will be more than glad to offer a perfect solution.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Battery Weight | 250 Grams |
| Unit Count | 1.0 Count |
| Battery Cell Type | Lithium Ion |
| Recommended Uses For Product | Laptop |
| Reusability | Rechargeable |
| Battery Capacity | 365 Milliamp Hours |
| Voltage | 11.52 Volts |
| Compatible Phone Models | ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513UA M513IA K513EA K513EQ F513EA F513EP S513EA S513EP S513EQ V531FA V531FL X513EA X513IA X513EP X513EQ S5500F S5500FL V5050E V5050EA V5050EA1135 Laptop |

## Product Details

- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Brand:** ANTIEE
- **Battery Cell Composition:** Lithium Ion
- **Compatible Phone Models:** (function(f) {var _np=(window.P._namespace("DetailPageProductOverviewTemplatesJava"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {
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}));  ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513UA M513IA K513EA K513EQ F513EA F513EP S513EA S513EP S513EQ V531FA V531FL X513EA X513IA X513EP X513EQ S5500F S5500FL V5050E V5050EA V5050EA1135 LaptopASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513UA M513IA K51…    See more
- **Recommended Uses For Product:** Laptop

## Images

![B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh - Image 1](https://m.media-amazon.com/images/I/716DeUaySuL.jpg)
![B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh - Image 2](https://m.media-amazon.com/images/I/716Kd3tPEKL.jpg)
![B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh - Image 3](https://m.media-amazon.com/images/I/71YMvwTbLeL.jpg)
![B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh - Image 4](https://m.media-amazon.com/images/I/61C9oOjIpPL.jpg)
![B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh - Image 5](https://m.media-amazon.com/images/I/61guVEX5agL.jpg)

## Frequently Bought Together

- B31N1842 Laptop Battery for ASUS VivoBook S15 S531FA S531FL K531FA K531FL X531FA X531FL M513IA M513UA K513EA K513EQ F513EA F513EP S513EA S513EQ S513EP V531FA V531FL X513EA X513IA X513EP X513EQ 42Wh
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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-16*