---
product_id: 636711324
title: "DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement"
brand: "hxjnldc"
price: "KD 11.14"
currency: KWD
in_stock: true
category: "Hxjnldc"
url: https://www.desertcart.com.kw/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony
store_origin: KW
region: Kuwait
---

# 3.85V nominal voltage with 4.2V max charge 550mAh high-capacity power Advanced overcharge & short circuit protection DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement

**Brand:** hxjnldc
**Price:** KD 11.14
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your wireless freedom with confidence!

## Quick Answers

- **What is this?** DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement by hxjnldc
- **How much does it cost?** KD 11.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony)

## Best For

- hxjnldc enthusiasts

## Why This Product

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

## Key Features

- • **Safe & Reliable:** Built-in Japanese Seiko IC safeguards against overcharge, overdischarge, and short circuits for peace of mind.
- • **Compact Yet Mighty:** Slim 28.5×24×7.2mm size packs a powerful 550mAh capacity, perfect for sleek wireless devices.
- • **Effortless Installation:** Includes genuine JST 3-wire connector and heat shrinkable sleeves for easy, secure wiring—no tech headaches.
- • **Universal Compatibility:** Works with any 3.85-5V devices under 2.117Wh, giving you versatile replacement options beyond just headphones.
- • **Power Your Premium Audio:** Specifically engineered for Sony WH-CH720N, WH-XB910N & INZONE H9 earphones to keep your sound uninterrupted.

## Overview

This rechargeable 3.85V 550mAh lithium polymer battery is designed as a direct replacement for Sony WH-CH720N, WH-XB910N, and INZONE H9 wireless noise-cancelling gaming earphones. Featuring a compact form factor and advanced Japanese Seiko IC protection, it ensures safe, reliable power delivery with overcharge and short circuit safeguards. Compatible with other low-power 3.85-5V devices under 2.117Wh, it offers versatile use and easy installation with a genuine JST connector and heat shrink sleeves. Backed by a 1-year warranty for quality assurance.

## Description

Shop DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement. Free delivery and returns on eligible orders.

## Features

- Compatible with Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement。It can also be used in other 3.85-5V electronic products with power less than 2.117Wh (550mAh).（★ Not applicable to high-power electric tools and model aircraft）
- Please note that the specifications and polarity of the connector are based on the product display image,★the red wire is the positive "+" and the black wire is the negative "-"，yellow wire is thermistor "NTC"，Do not reverse-charge or reverse-connectreverse. ★The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
- 722428 rechargeable lithium ion polymer battery, nominal voltage 3.85V, full charge voltage 4.2V, capacity 550mAh, power 2.117Wh, ★size 28.5×24×7.2mm(1.122×0.945×0.283inch）(L*W*T), Weight:11g(0.39oz)，Maximum current:0.6A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit.
- It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-28 high temperature resistant silicone cable, and genuine JST Pitch 1.0mm ★3 wire connector module.
- If there are any quality issues within a year, ★please feel free to contact us via email for replacement.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CHYTS544 |
| Amperage | 0.6 Amps |
| Antenna Location | Clock |
| Battery Capacity | 550 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 11 Grams |
| Brand Name | HXJNLDC |
| Compatible Phone Models | WH CH720N, WH XB910 |
| Country of Origin | China |
| Customer Reviews | 2.1 2.1 out of 5 stars (16) |
| Item Dimensions | 28 x 24 x 7 millimetres |
| Item Weight | 11 Grams |
| Manufacturer | HXJN |
| Model Name | 402030 |
| Model Number | 402030 |
| Number of Batteries | 1 C batteries required. |
| Product Warranty | 1 |
| Reusability | Rechargeable |
| UPC | 754525114758 |
| Unit Count | 1.0 count |
| Voltage | 3.85 Volts (DC) |

## Product Details

- **Battery capacity:** 550 Milliamp Hours
- **Battery cell composition:** Lithium Polymer
- **Brand:** HXJNLDC
- **Number of batteries:** 1 C batteries required.
- **Recommended uses for product:** Clock

## Images

![DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 1](https://m.media-amazon.com/images/I/61C1X0BYjqL.jpg)

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**Shop now:** [https://www.desertcart.com.kw/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony](https://www.desertcart.com.kw/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-05-20*