---
product_id: 742592298
title: "702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery"
brand: "vvuilsty"
price: "S$2"
currency: SGD
in_stock: false
url: https://www.desertcart.sg/products/742592298-702428-battery-replacement-for-sony-wf-1000xm4-headset-charging-box
store_origin: SG
region: Singapore
---

# 0-cycle fresh battery for max longevity 520mAh high-capacity power Smart IC chip multi-protection 702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery

**Brand:** vvuilsty
**Price:** S$2
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Recharge your Sony WF-1000XM4 case with power and peace of mind!

## Quick Answers

- **What is this?** 702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery by vvuilsty
- **How much does it cost?** S$2 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/742592298-702428-battery-replacement-for-sony-wf-1000xm4-headset-charging-box)

## Best For

- vvuilsty enthusiasts

## Why This Product

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

## Key Features

- • **DIY Friendly Kit:** Includes all tools needed for a smooth battery swap—upgrade your charging case hassle-free.
- • **Safety First, Always:** Built-in smart IC chip guards against overcharging, overheating, and short circuits.
- • **Seamless Compatibility:** Specifically engineered for Sony WF-1000XM4 charging case—perfect fit guaranteed.
- • **Expert Support On Demand:** Responsive customer service ready within 24 hours to keep your audio experience uninterrupted.
- • **Power Up with Confidence:** Brand new 0-cycle 520mAh battery ensures longer standby and fewer recharges.

## Overview

This 702428 replacement battery is a premium 520mAh lithium polymer cell designed exclusively for the Sony WF-1000XM4 charging case. Featuring zero-cycle freshness for extended battery life, integrated smart IC protection for safety, and a complete tool kit for easy installation, it revitalizes your charging case’s performance. Ideal for professionals who demand uninterrupted premium audio and want to avoid costly replacements.

## Description

Model number:702428 Capacity:520mAhPackaging:1 x battery，1x tools Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery Important notes For the first three recharges, please drain the battery before fully charging it so that the battery can be used optimally. Keep in mind that optimal performance and battery life will only be achieved after 3 to 5 complete charge/discharge cycles. Some questions about using batteriesQuestion: Auto shutdown when there is still 60% battery left?Answer: Some users' cell phone system version is lowered, and the battery charging Chip does not match, we recommend you to upgrade your cell phone system. Question: What should I pay attention to after replacing the battery?Answer: Due to the replacement of the battery disassembly, the phone is not waterproof. Please try your best to avoid getting the phone wet. Question: The battery capacity is not equal to the actual capacity?Answer: Except for high-capacity batteries, the actual capacity of ordinary batteries will also be higher than the nominal capacity. The actual capacity of a newly installed battery can only be reached after 2-3 full charge/discharge cycles. Question: Newly installed batteries get hot and consume power quickly?Answer: Poor installation contact, damage to the battery wiring during installation, and leakage of electricity lead to high power consumption. Question: Repeated automatic reboot after installation, unable to turn on the battery, unable to charge it.Answer: Poor installation contact, or not installed the pressure piece lock fixing screws, or cell phone system, battery problems, please ask a professional. Question: Battery bulging problem after installationAnswer: Poor mounting contact, or not installed the pressure plate lock fixing screws, or cell phone system, battery problem.

## Features

- 【Compatible Model】Only Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery, battery model number is 702428 battery,The headphone charging case can be difficult to remove, so please be sure to use caution! please double check your cell phone model match before purchasing the battery.
- 【Durable and long-lasting】New 0-cycle battery cells with upgraded capacity, batteries are tested under strict quality control standards before leaving the factory, storing more power, bringing more standby time, prolonging battery life and reducing the number of recharges.
- 【Easy Installation】Complete repair kit is provided. Instruction/manual is not included, before removing, please read the battery replacement guide video on YouTube carefully. Please remember that the battery will only reach its best use after 3 to 5 full charge/discharge cycles.
- 【Multi-protection】Built-in upgraded smart IC chip technology prevents overcharging, overheating, short-circuiting, etc. to ensure safety.
- 【Friendly Customer Service】If you encounter any problems after installing the battery, please contact us at the first time. We will contact you within 24 hours. We will be happy to serve you. Thanks.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Vvuilsty |
| Manufacturer | Dongguanshiqianfandianzikejiyouxiangongsi |
| Model | 702428 |
| Model Name | 702428 |
| Package Dimensions | 17.5 x 8.5 x 1.5 cm; 70 g |
| Batteries | 1 Lithium Polymer batteries required. |
| Item model number | 702428 |
| Number of items | 1 |
| Voltage | 3.7 Volts |
| Batteries Included | No |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Manufacturer | Dongguanshiqianfandianzikejiyouxiangongsi |
| Item Weight | 70 g |

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required.
- **Brand:** Vvuilsty
- **Battery Cell Composition:** Lithium Polymer
- **Recommended Uses For Product:** Indoor/Outdoor
- **Net Quantity:** 1.0 Count
- **Voltage:** 3.7 Volts
- **Reusability:** yes
- **Model Name:** 702428
- **Battery Weight:** 50 Grams
- **Manufacturer:** Dongguanshiqianfandianzikejiyouxiangongsi

## Images

![702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery - Image 1](https://m.media-amazon.com/images/I/71AdDhQlbIL.jpg)
![702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery - Image 2](https://m.media-amazon.com/images/I/71PVXRyTHxL.jpg)
![702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery - Image 3](https://m.media-amazon.com/images/I/71vnxCGNJiL.jpg)
![702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery - Image 4](https://m.media-amazon.com/images/I/71b5uItTXIL.jpg)
![702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery - Image 5](https://m.media-amazon.com/images/I/71pIkdunc7L.jpg)

## Frequently Bought Together

- Vvuilsty 702428 Battery Replacement for Sony WF-1000XM4 Headset Charging Box Case Battery，Rechargeable 0 Cycle Battery Compatible with Sony WF-1000XM4 Headset Charging Box Case Battery
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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-18*