---
product_id: 597285719
title: "MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh"
brand: "muls"
price: "31704 Ft"
currency: HUF
in_stock: true
reviews_count: 7
category: "Muls"
url: https://www.desertcart.hu/products/597285719-muls-b31n1842-laptop-battery-for-asus-vivobook-15-f513-m513
store_origin: HU
region: Hungary
---

# Up to 500 recharge cycles 42Wh high-capacity power CE, FCC & RoHS certified safety MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh

**Brand:** muls
**Price:** 31704 Ft
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your productivity, no compromises.

## Quick Answers

- **What is this?** MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh by muls
- **How much does it cost?** 31704 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/597285719-muls-b31n1842-laptop-battery-for-asus-vivobook-15-f513-m513)

## Best For

- muls enthusiasts

## Why This Product

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

## Key Features

- • **Risk-Free Upgrade:** Enjoy peace of mind with a 30-day money-back guarantee and 12-month hassle-free exchange plus 24/7 customer support.
- • **Safety You Can Trust:** Certified by CE, FCC, and RoHS with built-in protections against short circuits, overheating, and overcharging.
- • **Power That Lasts All Day:** 42Wh capacity ensures your VivoBook stays energized through back-to-back meetings and creative sprints.
- • **Plug & Play Compatibility:** Seamlessly fits a wide range of Asus VivoBook 15 models—no hassle, just instant power.
- • **Recharge-Ready for the Long Haul:** Up to 500 recharge cycles means fewer replacements and more reliable performance over time.

## Overview

The MULS B31N1842 Laptop Battery is a premium 42Wh lithium-ion replacement battery designed for multiple Asus VivoBook 15 models. It delivers reliable power with up to 500 recharge cycles, certified safety features, and broad compatibility. Backed by a 12-month warranty and responsive customer support, it’s the smart upgrade for professionals seeking dependable, long-lasting laptop performance.

## Description

desertcart.com: MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh : Electronics

Review: Pleasantly surprised - I was skeptical of an after market battery, but I must say, this has done better than expected. Easily installed in my Asus Vivobook 15, charges quickly and holds the charge. Great price too
Review: Great! 45Wh instead of the advertised 42Wh. - Excellent, almost 45Wh actually. Super easy to install. Comes with screwdrivers and plastic tab openers.

## Features

- 【Battery Specification】Capacity: 3550mAh 42Wh Voltage: 11.52V .100% brand new. Up to 500 recharge cycles over the life of the battery. High-quality materials and circuit board.
- 【Replacement For Laptop】Fit for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F Series; Fit for Asus VivoBook S15 V5050E V5050EA V5050EA1135 S5500F S5500FL X513EA X513EP X513EQ X531F X531FA K531F S531F S531FA S531FL V531F V531FA V531FL Series.
- 【Compatible with Part Number】Fit for B31N1842 B31BmE1 0B200-03440000.
- 【Safety Above All】Our batteries are certified by CE, FCC and RoHS to ensure your safety, and packed with prevention measures like short circuit, overheat and overcharge protection.Our laptop batteries are made with premium materials and circuit boards to ensure performance and durability.
- 【Give Customers the Best Benefit】:30 Days no-questions-asked full money back and 12 Months Exchange Guarantee. (The return window will be closed a month after you received the the product. CONTACT US, we will make it up and solve it more efficiently). We providing you 24/7 email service to support you with any problem, be rest assured that you will get the best when you choose MULS products.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CKHS4VVJ |
| Antenna Location | Laptop |
| Battery Capacity | 3550 Milliamp Hours |
| Battery Cell Composition | Lithium |
| Battery Cell Type | Lithium |
| Battery Weight | 12 Ounces |
| Best Sellers Rank | #70,558 in Electronics ( See Top 100 in Electronics ) #920 in Laptop Batteries |
| Brand | MULS |
| Compatible Phone Models | Asus VivoBook 15 S15 |
| Customer Reviews | 4.9 out of 5 stars 16 Reviews |
| Manufacturer | Dongguan jiataiyuan electronics Co., Ltd |
| Model Name | 2F8K3 |
| Model Number | 2F8K3 |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Recommended Uses For Product | Laptop |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Voltage | 11.52 Volts (DC) |
| Warranty Description | 12-Months Manufacturer |

## Product Details

- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Brand:** MULS
- **Battery Cell Composition:** Lithium
- **Battery Capacity:** 3550 Milliamp Hours
- **Recommended Uses For Product:** Laptop

## Images

![MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh - Image 1](https://m.media-amazon.com/images/I/51F4TY8ANRL.jpg)
![MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh - Image 2](https://m.media-amazon.com/images/I/613t0ENjgmL.jpg)
![MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh - Image 3](https://m.media-amazon.com/images/I/615WrXFw57L.jpg)
![MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh - Image 4](https://m.media-amazon.com/images/I/6186YdnWKlL.jpg)
![MULS B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh - Image 5](https://m.media-amazon.com/images/I/61t6h7g6ySL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Pleasantly surprised
*by D***G on November 1, 2025*

I was skeptical of an after market battery, but I must say, this has done better than expected. Easily installed in my Asus Vivobook 15, charges quickly and holds the charge. Great price too

### ⭐⭐⭐⭐⭐ Great! 45Wh instead of the advertised 42Wh.
*by K***N on October 20, 2025*

Excellent, almost 45Wh actually. Super easy to install. Comes with screwdrivers and plastic tab openers.

### ⭐⭐⭐⭐⭐ Great product
*by J***S on August 2, 2025*

Excellent, all was perfect. The battery fitted really good, and it’s working as I expected.

## Frequently Bought Together

- B31N1842 Laptop Battery for Asus VivoBook 15 F513 M513 K513 S513 X513 S15 S531F VivoBook S15 V5050E V5050EA S5500F S5500FL X513EA X531F X531FA K531F S531F S531FA V531F V531FA 0B200-03440000 42Wh
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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-03-23*