---
product_id: 680991922
title: "702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh"
brand: "exmumcmr"
price: "VT214"
currency: VUV
in_stock: false
reviews_count: 5
url: https://www.desertcart.vu/products/680991922-702428-battery-compatible-with-sony-battery-for-wf-1000xm4-charging
store_origin: VU
region: Vanuatu
---

# 3.85V Stable Voltage 100% Original Compatibility 520mAh High Capacity 702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh

**Brand:** exmumcmr
**Price:** VT214
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power up your sound, never miss a beat!

## Quick Answers

- **What is this?** 702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh by exmumcmr
- **How much does it cost?** VT214 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/680991922-702428-battery-compatible-with-sony-battery-for-wf-1000xm4-charging)

## Best For

- exmumcmr enthusiasts

## Why This Product

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

## Key Features

- • **Power That Lasts:** 520mAh capacity ensures extended playtime for your Sony WF-1000XM4 charging case.
- • **Reliable Voltage:** Stable 3.85V output guarantees consistent charging performance and device safety.
- • **Hassle-Free Warranty:** Enjoy peace of mind with a 12-month warranty plus 60-day refund policy and 24/7 email support.
- • **Easy Battery Recovery:** Smart charge management tips included to restore battery recognition and maximize lifespan.
- • **Seamless Compatibility:** 100% compatible replacement battery designed specifically for Sony WF-1000XM4 charging cases—no guesswork, just perfect fit.

## Overview

This brand-new 702428 Li-Polymer battery offers a 520mAh capacity and 3.85V voltage, perfectly compatible with Sony WF-1000XM4 charging cases. Backed by a 12-month warranty and 60-day refund, it delivers reliable, long-lasting power with easy installation and expert support.

## Description

Specification: Type: Battery Model: 702428 Voltage: 3.85V Capacity: 520mAh Battery Type: Li-Polymer Battery Battery Condition: Brand New Replace Part Number: 702428 LP702428. Note: please make sure your BATTERY model before order. Thank you! Compatible Notebook: FOR Sony WF-1000XM4 Charging Case Package included: 1X Battery NOTE:If your WF-1000XM4 can not recognize the new battery, the battery cannot be fully charged or goes to 0% instantly，please change the laptop's Power Manager Charge Setting to the "Standard" mode， then discharge and recharge the battery 3-4 times. In this way， the battery may be recognized or recover to have a good capacit

Review: Fits, works and charges in Sony WH-CH720N
Review: justo a la medida de los sony xm4 - la medida y voltaje del estuche de mis audifonos

## Features

- 100% Compatible with original battery.
- For battery part number:LP702428,702428
- Battery Voltage:3.85V Battery Capacity:520mAh,
- Compatible for Sony WF-1000XM4 Charging Case
- Warranty :Rest assured with 60 days Refund and 12 months Warranty;24 x 7 email support.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CGXT92VB |
| Antenna Location | Indoor/Outdoor |
| Battery Capacity | 520 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 60 Grams |
| Battery capacity | 520 Milliamp Hours |
| Battery cell composition | Lithium Ion |
| Brand | EXMUMCMR |
| Compatible Phone Models | WF-1000XM4 Charging Case |
| Customer Reviews | 4.6 out of 5 stars 43 Reviews |
| Manufacturer | FENGMAI LIMITED |
| Model Name | LP702428 |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Number of batteries | 1 Lithium Polymer batteries required. (included) |
| Recommended uses for product | Indoor/Outdoor |
| Reusability | Rechargeable |
| Unit Count | 1.0 Count |
| Unit count | 1.0 Count |
| Voltage | 3.85 Volts |

## Product Details

- **Battery capacity:** 520 Milliamp Hours
- **Battery cell composition:** Lithium Ion
- **Brand:** EXMUMCMR
- **Number of batteries:** 1 Lithium Polymer batteries required. (included)
- **Recommended uses for product:** Indoor/Outdoor

## Images

![702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh - Image 1](https://m.media-amazon.com/images/I/61Y9mjf1cFL.jpg)
![702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh - Image 2](https://m.media-amazon.com/images/I/61VV2ekjRKL.jpg)
![702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh - Image 3](https://m.media-amazon.com/images/I/61UzHdL-mXL.jpg)
![702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh - Image 4](https://m.media-amazon.com/images/I/61+PZh0MVXL.jpg)
![702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh - Image 5](https://m.media-amazon.com/images/I/61YeWrOsPgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits, works and charges in Sony WH-CH720N
*by B***N on 1 February 2026*



### ⭐⭐⭐⭐⭐ justo a la medida de los sony xm4
*by C***N on 21 September 2025*

la medida y voltaje del estuche de mis audifonos

### ⭐⭐⭐⭐⭐ PERFECT!!!
*by T***N on 13 August 2025*



## Frequently Bought Together

- EXMUMCMR 702428 Battery,Compatible with Sony Battery for WF-1000XM4 Charging Case P/N: LP702428 3.85v 520mAh
- EXMUMCMR 𝟮𝟬𝟮𝟓 𝗡𝗲𝘄 𝗨𝗽𝗴𝗿𝗮𝗱𝗲𝘀 𝐙𝟓𝟓𝐇 𝐁𝐚𝐭𝐭𝐞𝐫𝐲,Compatible with Sony Headset Battery for WF-1000XM4(𝟐𝐏𝐂𝐒)+with Installation Tools Kit

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**Shop now:** [https://www.desertcart.vu/products/680991922-702428-battery-compatible-with-sony-battery-for-wf-1000xm4-charging](https://www.desertcart.vu/products/680991922-702428-battery-compatible-with-sony-battery-for-wf-1000xm4-charging)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-17*