---
product_id: 594894328
title: "HXJNLDC 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: "€ 20.20"
currency: EUR
in_stock: false
reviews_count: 5
url: https://www.desertcart.fr/products/594894328-hxjnldc-dc-3-85v-550mah-722428-rechargeable-lithium-battery-sony
store_origin: FR
region: France
---

# 3.85V nominal voltage for stable output 550mAh high-capacity power Built-in overcharge & short circuit protection HXJNLDC 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:** € 20.20
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your play, protect your day!

## Quick Answers

- **What is this?** HXJNLDC 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?** € 20.20 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/594894328-hxjnldc-dc-3-85v-550mah-722428-rechargeable-lithium-battery-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

- • **Compact Powerhouse:** Slim 29×24×7.2mm size packs 550mAh capacity, balancing portability with lasting performance.
- • **DIY Friendly Design:** 3-wire JST connector with clear polarity coding and included heat shrink sleeve for easy, secure installation.
- • **Advanced Safety Tech:** Equipped with Japanese Seiko IC to prevent overcharge, overdischarge, and short circuits—protect your gear and peace of mind.
- • **Lightweight & Reliable:** Only 11g, engineered with high-temp silicone cables for durability in everyday use and gaming marathons.
- • **Precision Compatibility:** Seamlessly fits Sony WH-CH720N, WH-XB910N & INZONE H9 earphones for hassle-free replacement.

## Overview

The HXJNLDC 3.85V 550mAh rechargeable lithium polymer battery is a compact, lightweight replacement designed specifically for Sony WH-CH720N, WH-XB910N, and INZONE H9 wireless noise-cancelling gaming earphones. Featuring a robust 3-wire JST connector and advanced Japanese Seiko IC protection, it ensures safe, stable power delivery while preventing overcharge, overdischarge, and short circuits. Ideal for professionals seeking reliable, easy-to-install battery replacements that keep their audio gear performing at peak levels.

## Description

Buy HXJNLDC DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Ripoff - Garbage. Says low battery after 3 minutes of use. Charge all day with no improvement.
Review: Doesn't charge - I bought 2 of them, none is charging, don't waste your time. I give 2 stars only because you can return the item without any issues

## Features

- Compatible with Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement。Also suitable for DIY electronic products with 3.7-5V and less than 2.117Wh 550mAh built-in 3-wire battery replacement.（★ 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 "-"，White 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 29×24×7.2mm(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 | Indoor/Outdoor |
| Battery Capacity | 550 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 11 Grams |
| Battery capacity | 550 Milliamp Hours |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | #94,423 in Electronics ( See Top 100 in Electronics ) #735 in Rechargeable Household Batteries |
| Brand | HXJNLDC |
| Customer Reviews | 2.1 out of 5 stars 16 Reviews |
| Item Dimensions | 28 x 24 x 7 millimeters |
| Item Weight | 11 Grams |
| Item height | 7.2 millimeters |
| Manufacturer | HXJN |
| Model Name | 402030 |
| Model Number | 402030 |
| Number of Batteries | 1 C batteries required. |
| Number of batteries | 1 C batteries required. |
| Recommended uses for product | Indoor/Outdoor |
| Reusability | Rechargeable |
| UPC | 754525114758 |
| Unit Count | 1.0 Count |
| 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:** Indoor/Outdoor

## Images

![HXJNLDC 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/41wpLRzs1JL.jpg)
![HXJNLDC DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 2](https://m.media-amazon.com/images/I/61-09GlWwEL.jpg)
![HXJNLDC DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 3](https://m.media-amazon.com/images/I/61C1X0BYjqL.jpg)
![HXJNLDC DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 4](https://m.media-amazon.com/images/I/61dmJfYrMQL.jpg)
![HXJNLDC DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 5](https://m.media-amazon.com/images/I/71bGdJE0CCL.jpg)

## Customer Reviews

### ⭐ Ripoff
*by E***S on 9 December 2025*

Garbage. Says low battery after 3 minutes of use. Charge all day with no improvement.

### ⭐ Doesn't charge
*by P***N on 30 December 2025*

I bought 2 of them, none is charging, don't waste your time. I give 2 stars only because you can return the item without any issues

### ⭐ No carga la bateria
*by N***A on 9 February 2025*

Por qué no carga al 100 solo llega al 35% cuál es problema??? Quiero apolo en el producto pero no puedo comunicarme

## Frequently Bought Together

- HXJNLDC DC 3.85V 550mAh 722428 Rechargeable Lithium Battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless Noise Reduction Gaming Earphones Battery Replacement
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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-23*