---
product_id: 571856915
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: "21749CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/571856915-hxjnldc-dc-3-85v-550mah-722428-rechargeable-lithium-battery-sony
store_origin: SN
region: Senegal
---

# 3.85V nominal voltage, 4.2V full charge 550mAh high-capacity power Advanced 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:** 21749CFA
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your premium audio experience without missing a beat!

## 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?** 21749CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/571856915-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

- • **Reliable Support:** 1-year warranty with responsive customer service
- • **Compact Powerhouse:** Slim 29×24×7.2mm size packs 2.117Wh energy
- • **Safety-First Design:** Built-in Japanese Seiko IC safeguards battery life
- • **Plug & Play Flexibility:** Includes JST 3-wire connector with heat-shrink sleeve for easy installation
- • **Seamless Sony Compatibility:** Perfect fit for WH-CH720N, WH-XB910N & INZONE H9 earphones

## Overview

This 3.85V 550mAh rechargeable lithium polymer battery is engineered for Sony WH-CH720N, WH-XB910N, and INZONE H9 wireless noise-cancelling gaming earphones. Featuring a compact form factor (29×24×7.2mm) and advanced Japanese Seiko IC protection, it ensures safe, reliable power delivery with overcharge, overdischarge, and short circuit safeguards. The battery includes a JST 3-wire connector for straightforward replacement and comes backed by a 1-year warranty, making it the ideal upgrade to keep your premium audio gear performing at its best.

## Description

Full description not available

## 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 compare the connector specifications and polarity according to the display diagram before purchasing,★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.

## Product Details

- **Number of Batteries:** 1 C batteries required.
- **Brand:** HXJNLDC
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 550 Milliamp Hours
- **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/61C1X0BYjqL.jpg)

## 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
- WC Freeze Inzone - Cooling Gel Replacement Earpads for Sony Inzone H9 & H7 Headphones by Wicked Cushions - Boost Comfort, Durability, Thickness & Sound Isolation for Epic Gaming | Black
- Sony INZONE H9 Gaming Headset, Wireless Noise Canceling Bluetooth Headset With Microphone, 360 Spatial Sound, For PC and PS5 (WH-G900N), White

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sn/products/571856915-hxjnldc-dc-3-85v-550mah-722428-rechargeable-lithium-battery-sony](https://www.desertcart.sn/products/571856915-hxjnldc-dc-3-85v-550mah-722428-rechargeable-lithium-battery-sony)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-01-27*