---
product_id: 583109915
title: "3.85V Z55H Replacement Battery For WF-1000XM4 WF1000XM4 WF-SP900 Bluetooth Headphones Battery Series Z55H 1254"
brand: "ukkipower"
price: "KSh4074"
currency: KES
in_stock: true
reviews_count: 1
category: "Ukkipower"
url: https://www.desertcart.co.ke/products/583109915-3-85v-z55h-replacement-battery-for-wf-1000xm4-wf1000xm4-wf
store_origin: KE
region: Kenya
---

# 70mAh capacity Perfect WF-1000XM4 fit 3.85V power boost 3.85V Z55H Replacement Battery For WF-1000XM4 WF1000XM4 WF-SP900 Bluetooth Headphones Battery Series Z55H 1254

**Brand:** ukkipower
**Price:** KSh4074
**Availability:** ✅ In Stock

## Summary

> 🔋 Recharge your sound, reclaim your day!

## Quick Answers

- **What is this?** 3.85V Z55H Replacement Battery For WF-1000XM4 WF1000XM4 WF-SP900 Bluetooth Headphones Battery Series Z55H 1254 by ukkipower
- **How much does it cost?** KSh4074 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/583109915-3-85v-z55h-replacement-battery-for-wf-1000xm4-wf1000xm4-wf)

## Best For

- ukkipower enthusiasts

## Why This Product

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

## Key Features

- • **Power Up Your Pods:** 3.85V voltage ensures consistent, reliable energy for uninterrupted listening.
- • **DIY Battery Revival:** Replace your drained buds with confidence—ideal for hobbyists and tech-savvy pros.
- • **Long-Lasting Charge:** 70mAh capacity revives your earbuds’ stamina, extending playtime significantly.
- • **Seamless Compatibility:** Specifically designed for WF-1000XM4 and WF-SP900 models—no guesswork, just perfect fit.
- • **Escape the Firmware Trap:** Bypass common battery drain issues with a fresh, high-quality replacement.

## Overview

This 3.85V, 70mAh replacement battery (model Z55H) is engineered for Sony WF-1000XM4 and WF-SP900 Bluetooth headphones, delivering a reliable power boost to restore your earbuds’ playtime and performance. Lightweight and compact, it’s the perfect fix for drained batteries, helping you avoid frustrating firmware-related battery drain issues.

## Description

Compatible part numbers: Z55H Compatible model: For WF1000XM4 WF-SP900 Headphones

Review: Great replacement battery for Sony wf-1000xm4 - After watching you tube videos replaced right ear bud battery after severe battery drain. (Previous battery lasted only 15 mins playtime compared to the left bud lasting hours. ) While blog posts suggest is a Sony firmware issue, the new battery solved my problem. Fiddly to fit but within the skills of a hobby modeller.

## Features

- 3.85V, 70mAh/0.29Wh/0.27Wh
- Compatible part numbers:Z55H
- Compatible model:For WF1000XM4 WF-SP900 Headphones

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CHHX8X4J |
| Best Sellers Rank | 137 in Mobile Phone Replacement Batteries |
| Guaranteed software updates until | unknown |
| Item model number | WF-SP900 Headphones |
| Manufacturer | Ukkipower |
| Package Dimensions | 10 x 10 x 3 cm; 10 g |

## Product Details

- **Battery capacity:** 70 Milliampere Hour (mAh)
- **Battery cell composition:** Lithium
- **Brand:** Ukkipower
- **Number of batteries:** 1 Lithium Ion batteries required. (included)
- **Unit count:** 1.0 count

## Images

![3.85V Z55H Replacement Battery For WF-1000XM4 WF1000XM4 WF-SP900 Bluetooth Headphones Battery Series Z55H 1254 - Image 1](https://m.media-amazon.com/images/I/41R--cnEzIL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great replacement battery for Sony wf-1000xm4
*by W***W on 29 September 2024*

After watching you tube videos replaced right ear bud battery after severe battery drain. (Previous battery lasted only 15 mins playtime compared to the left bud lasting hours. ) While blog posts suggest is a Sony firmware issue, the new battery solved my problem. Fiddly to fit but within the skills of a hobby modeller.

## Frequently Bought Together

- Ukkipower 3.85V 0.29Wh Z55H Replacement Battery For WF-1000XM4 WF1000XM4 WF-SP900 Bluetooth Headphones Battery Series Z55H CP1254
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**Shop now:** [https://www.desertcart.co.ke/products/583109915-3-85v-z55h-replacement-battery-for-wf-1000xm4-wf1000xm4-wf](https://www.desertcart.co.ke/products/583109915-3-85v-z55h-replacement-battery-for-wf-1000xm4-wf1000xm4-wf)

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*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-01-24*