---
product_id: 434969692
title: "3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0"
brand: "startong"
price: "19771CFA"
currency: XOF
in_stock: true
reviews_count: 2
category: "Startong"
url: https://www.desertcart.sn/products/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-wf
store_origin: SN
region: Senegal
---

# 3.7V Voltage UL/CE Certified 800mAh Capacity 3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0

**Brand:** startong
**Price:** 19771CFA
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Up Your Sound Experience!

## Quick Answers

- **What is this?** 3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0 by startong
- **How much does it cost?** 19771CFA 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/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-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

- • **Safety First:** Certified by UL, CE, UN38.3, and RoHS for your peace of mind.
- • **Power That Lasts:** 800mAh capacity ensures you stay powered up for longer.
- • **Endurance Champion:** Over 300 cycles of reliable performance.
- • **Warranty Assurance:** Enjoy 180 days of worry-free usage with our warranty.
- • **Unmatched Compatibility:** 100% compatible with Sony WF-1000XM3 and WF-SP900 models.

## Overview

This 3.7V 800mAh replacement battery is designed specifically for Sony WF-1000XM3 and WF-SP900 wireless earphones, ensuring seamless compatibility and performance. With a robust capacity and extensive cycle life, this Li-ion Polymer battery is both safe and reliable, backed by a 180-day warranty.

## Description

Battery Type: Li-ion Polymer battery Capacity: 800mAh Nominal Voltage: 3.7V Pack Dimension: 50.00 x 17.00 x 14.00 mm Weight: 25g Working Temperature: Less than 60℃(140℉)Compatible Models: Sony WF-1000XM3 WF-SP900 Charging Case Compatible Battery Part Number: 1588-0911Cautions: 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: Excelente producto - Buena y fácil de instalar
Review: Low capacity - Replace my 3 years old OEM battery, only half capacity of the new OEM.

## Features

- Compatible Models: Sony WF-1000XM3 WF-SP900 Charging Case; Compatible Battery Part Number: 1588-0911
- 100% Compatible with original battery; 180 days warranty
- Capacity: 800mAh; Nominal Voltage: 3.7V
- Battery Type: Li-ion Polymer 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 | B09QPJRHZ2 |
| Battery Capacity | 800 Milliamp Hours |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 20 Grams |
| Best Sellers Rank | #314,428 in Electronics ( See Top 100 in Electronics ) #13,258 in Headphone Cases |
| Brand | STARTONG |
| Customer Reviews | 3.8 out of 5 stars 3 Reviews |
| Manufacturer | STARTONG |
| Model Number | USN-14500PW |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts |

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** STARTONG
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 800 Milliamp Hours
- **Unit Count:** 1 Count

## Images

![3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0 - Image 1](https://m.media-amazon.com/images/I/41sRC4Q+dpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excelente producto
*by P***O on August 6, 2025*

Buena y fácil de instalar

### ⭐ Low capacity
*by G***8 on April 11, 2024*

Replace my 3 years old OEM battery, only half capacity of the new OEM.

## Frequently Bought Together

- STARTONG 3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0
- STRENG-CELL 2 Pack CP1254 Replacement Battery for Sony Wf1000X XM3 SP600 700 900 Battery Jabra Rox BandO H5 E6 Galaxy Buds Bluetooth Headset Battery Varta ICR LIR 1254 A2 A3 Made in Germany

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**Shop now:** [https://www.desertcart.sn/products/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-wf](https://www.desertcart.sn/products/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-wf)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-06-01*