---
product_id: 443862348
title: "3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF)"
brand: "startong"
price: "R502"
currency: ZAR
in_stock: true
reviews_count: 1
category: "Startong"
url: https://www.desertcart.co.za/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf
store_origin: ZA
region: South Africa
---

# 3.7V nominal voltage 300+ charge cycles 300mAh capacity 3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF)

**Brand:** startong
**Price:** R502
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your vibe, never miss a beat!

## Quick Answers

- **What is this?** 3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF) by startong
- **How much does it cost?** R502 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf)

## Best For

- startong enthusiasts

## Why This Product

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

## Key Features

- • **Reliable Warranty:** Backed by a 180-day warranty—because your uninterrupted audio experience matters.
- • **Lightweight & Compact:** At just 10 grams and slim dimensions, it fits perfectly without adding bulk to your charging case.
- • **Power-packed Longevity:** Enjoy over 300 full charge cycles—keep your earbuds powered longer without compromise.
- • **Seamless Compatibility:** Specifically engineered for Sony WF-H800, WF-XB700, and WF-C500 models—plug and play perfection.
- • **Certified Safety Assurance:** UL, CE, UN38.3, and RoHS certified for peace of mind in every charge.

## Overview

This 3.7V 300mAh Li-ion polymer replacement battery is designed for Sony WF-H800, WF-XB700, and WF-C500 TWS earbuds charging cases. Certified for safety and reliability, it offers over 300 charge cycles and comes with a 180-day warranty, ensuring long-lasting, hassle-free performance in a lightweight, compact form factor.

## Description

Battery Type: Li-ion Polymer battery Capacity: 300mAh Nominal Voltage: 3.7V Pack Dimension: 6.0 x 17.5 x 32.0mm Weight: 10g Working Temperature: Less than 60℃(140℉)Compatible Models: Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging CaseCautions: 1. DO NOT ATTEMPT OPEN, DISASSEMBLE THE BATTERY. 2. DO NOT CRUSH, PUNCTURE OR DISPOSE OF IN FIRE OR WATER. 3. DO NOT EXPOSE TO ABOVE 60℃(140℉).

Review: I’m happy with the product - Items is good easy to replace

## Features

- Compatible Models: Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case
- 100% Compatible with original battery; 180 days warranty
- Capacity: 300mAh; Nominal Voltage: 3.7V
- Battery Type: Li-ion battery; Safe and reliable battery certified by UL, CE, UN38.3, RoHS
- Over 300 times cycle life; Long working time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09QPP2XPF |
| Battery Capacity | 300 Milliamp Hours |
| Battery Cell Composition | Polymer |
| Battery Cell Type | Polymer |
| Battery Weight | 10 Grams |
| Best Sellers Rank | #388,665 in Electronics ( See Top 100 in Electronics ) #15,401 in Earbud & In-Ear Headphones |
| Brand | STARTONG |
| Customer Reviews | 5.0 out of 5 stars 3 Reviews |
| Item Weight | 10 Grams |
| Manufacturer | STARTONG |
| Model Number | USN-601730PW-WF |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts |

## Product Details

- **Battery Capacity:** 300 Milliamp Hours
- **Battery Cell Composition:** Polymer
- **Brand:** STARTONG
- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Unit Count:** 1 Count

## Images

![3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF) - Image 1](https://m.media-amazon.com/images/I/41lbcK15LWL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I’m happy with the product
*by A***L on October 12, 2025*

Items is good easy to replace

## Frequently Bought Together

- STARTONG 3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF)
- Sony WF-C700N Truly Wireless Noise Canceling in-Ear Bluetooth Earbud Headphones with Mic and IPX4 Water Resistance, Black
- Sony WF-C500 Truly Wireless In-Ear Bluetooth Earbud Headphones with Mic and IPX4 water resistance, Black

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**Shop now:** [https://www.desertcart.co.za/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf](https://www.desertcart.co.za/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-19*