---
product_id: 594894328
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: "$23.09"
currency: USD
in_stock: false
reviews_count: 5
url: https://www.desertcart.us/products/594894328-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony
store_origin: US
region: United States of America
---

# 3.85V nominal voltage 550mAh capacity 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:** $23.09
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power your premium sound with confidence — never miss a beat!

## 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?** $23.09 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/594894328-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

- • **Precision Power Fit:** Custom-designed for Sony WH-CH720N, WH-XB910N & INZONE H9 earphones ensuring seamless replacement.
- • **Advanced Safety Tech:** Built-in Japanese Seiko IC safeguards against overcharge, overdischarge, and short circuits.
- • **Compact & Lightweight:** Slim 29×24×7.2mm size and just 11g weight for zero bulk and maximum comfort.
- • **DIY Friendly Connector:** 3-wire JST Pitch 1.0mm module with clear polarity for easy, secure installation or custom mods.
- • **Reliable Warranty Support:** 1-year replacement guarantee to keep your audio gear powered without worry.

## Overview

This 3.85V 550mAh rechargeable lithium polymer battery is engineered as a direct replacement for Sony WH-CH720N, WH-XB910N, and INZONE H9 wireless noise-cancelling gaming earphones. Featuring a compact form factor, advanced Japanese Seiko IC protection circuitry, and a user-friendly 3-wire JST connector, it delivers reliable power with built-in safeguards against overcharge, overdischarge, and short circuits. Ideal for professionals seeking a hassle-free battery swap with warranty-backed peace of mind.

## 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 | #95,336 in Electronics ( See Top 100 in Electronics ) #736 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 |
| 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

![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)
![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)
![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)
![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)
![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 United States of America*
*Store origin: US*
*Last updated: 2026-02-15*