---
product_id: 731965137
title: "DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement"
brand: "hxjnldc"
price: "VT190"
currency: VUV
in_stock: false
reviews_count: 1
url: https://www.desertcart.vu/products/731965137-dc-3-7v-320mah-621733-rechargeable-li-polymer-battery-sony
store_origin: VU
region: Vanuatu
---

# 3.7V nominal voltage, 4.2V max charge 320mAh high-capacity power Built-in overcharge & short-circuit protection DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement

**Brand:** hxjnldc
**Price:** VT190
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power up your productivity with the battery that keeps pace with your hustle!

## Quick Answers

- **What is this?** DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement by hxjnldc
- **How much does it cost?** VT190 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/731965137-dc-3-7v-320mah-621733-rechargeable-li-polymer-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 Yet Mighty:** Slim 33x17x6.2mm design packs 320mAh capacity without bulk—perfect for on-the-go professionals.
- • **Safety First, Always:** Equipped with Japanese Seiko IC tech to prevent overcharging, overcurrent, and short circuits—peace of mind included.
- • **Lightweight & Durable:** Weighing just 6.5g with heat-resistant silicone cables and genuine JST connectors for reliable, long-lasting performance.
- • **Versatile Compatibility:** Supports a wide range of 3.7-5V devices under 1.184Wh, from Bluetooth speakers to smart home gadgets—one battery to rule them all.
- • **Power Your Premium Sony Headsets:** Seamlessly compatible with top Sony models like WF-1000XM4 & WH-CH510 for uninterrupted audio bliss.

## Overview

This 3.7V 320mAh rechargeable Li-Polymer battery is engineered for Sony headset models including WF-C500, WF-XB700, WF-1000XM4, and more. Featuring a compact 33x17x6.2mm form factor and advanced Japanese Seiko IC protection, it ensures safe, reliable power delivery with overcharge and short-circuit safeguards. Lightweight at just 6.5g, it also supports various 3.7-5V electronic devices under 1.184Wh, making it a versatile, high-performance replacement battery designed for the modern professional’s tech arsenal.

## Description

Product description               Package: 621733 320mAh LiPo Battery x 1, Heat Shrink Insulation Sleeve x 1 Compatible with SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement It can also be used with other 3.7-5V electronic products under 1.184Wh (320mAh). (★Not applicable to large power electric tools or airplanes) It can also be used for MP3, MP4, MP5, GPS, Clock, Power Pack, Detector, Recorder, Bluetooth Mouse, Gaming Headset, Speaker, E-book, LED Light, Sensor Light, Parking Monitor, Car Driving Recorder, Portable DVD, Radio, Toys, Network Box, USB Fan, Tester, Air Purifier, Controller, Bluetooth Speaker, Dash Cam, Keyboard and Mouse, Wi-Fi Enabled Smart Home System, PDA and Digital Camera, Surveillance Unit, Notebook Computer, Notebook Computer, Electronic Computer. Books, Telematy XS, tracking device, sleep management equipment, blood oxygen Moreover, other 3.7-5V electronic products with less than 1.184Wh (320mAh). Size: 1.3 x 0.67 x 0.244 inches (33 x 17 x 6.2 mm) (L x W x Thickness) Capacity: 320mAh Weight: 0.23oz Maximum Current: 0.3A                   Legal Disclaimer               Please compare the polarity of the connector carefully before using, the red line is positive "+", the black line is negative "-", do not reverse charging or reverse connection. Do not use leaking batteries. Do not throw batteries into fire or water or get wet. Please do not knock the nails into the battery, hammer or stepping on the battery to avoid charging near fire or direct sunlight

## Features

- Compatible with SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement It can also be used with other 3.7-5V electronic products under 1.184Wh (320mAh). (★Not applicable to large power electric tools or airplanes)
- Please compare the polarity of the connector carefully before use. ★ Red line is positive "+", black line is negative polarity "-", do not reverse charging or reverse connection. ★For some products, the original battery has no plug, the plug is matched, or polarity mismatched. That is not a problem, you can cut the plug directly and weld it or connect the same color wire with heat shrink insulating sleeve
- 621733 rechargeable lithium-ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 320mAh, power 1.184Wh, ★Size: 33*17*6.2mm(1.3*0.67*0.244inch)(length*width*thick), weight:6.5g (0.23oz), maximum current: 0.3A. It can prevent overcharging, over-discharge, over-current, and short circuit
- It consists of a large capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short-circuit protection board, 3302-26 heat resistant silicone cable, and genuine JST Pitch 1.25mm ★ 2 wire necta module
- ★If you have any quality problems within one year, please contact us at any time by email and exchange for free

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Compatible Devices | SONY WH-CH500 Headset, SONY WH-CH510 Headset, Sony WF-1000XM4 Headset Case, Sony WF-C500 Headset Case, Sony WF-H800 Headset Case, Sony WF-SP800N Headset Case, Sony WF-XB700 Headset Case |
| Batteries Included | No |
| Batteries Required | No |
| Brand | HXJNLDC |
| Manufacturer | HXJN |
| Item Model Number | 402030 |
| Product Dimensions | 3.35 x 1.7 x 0.62 cm; 11 g |
| Item Weight | 11 Grams |

## Product Details

- **Number of Batteries:** 1 C batteries required.
- **Brand:** HXJNLDC
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 320 Milliamp Hours
- **Recommended Uses For Product:** Power Tool

## Images

![DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement - Image 1](https://m.media-amazon.com/images/I/61t3wX6XvDL.jpg)
![DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement - Image 2](https://m.media-amazon.com/images/I/71-BfeM8pdL.jpg)
![DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement - Image 3](https://m.media-amazon.com/images/I/81jSmvePDIL.jpg)
![DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement - Image 4](https://m.media-amazon.com/images/I/81ygEeonPJL.jpg)
![DC 3.7V 320mAh 621733 Rechargeable Li-Polymer Battery for SONY WF-C500, WF-XB700, WF-H800, WF-SP800 N, WF-1000XM4 Headset Case, WH-CH500, WH-CH510 Headset Battery Replacement - Image 5](https://m.media-amazon.com/images/I/61qXLRaoOlL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 純正より少し厚み有り
*by R***S on June 14, 2024*

wf-c500のバッテリー交換の為購入。多少厚みがあり、純正とは少しサイズは異なりますが、問題なく交換できました。配線部分は、購入側はカプラーの為カットしてハンダ付けが必要ですが。他は全く問題ありません。

## Frequently Bought Together

- HXJNLDC DC 3.7V 320mAh 621733 Rechargeable Lithium Battery for Sony WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone Battery Replacement
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**Shop now:** [https://www.desertcart.vu/products/731965137-dc-3-7v-320mah-621733-rechargeable-li-polymer-battery-sony](https://www.desertcart.vu/products/731965137-dc-3-7v-320mah-621733-rechargeable-li-polymer-battery-sony)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-03*