---
product_id: 663625940
title: "eufy Accessory-Replacement Battery Omni S1 Pro/S1, 4,600 mAh Real Capacity, 21.6V Lithium-Ion"
brand: "eufy"
price: "$273"
currency: NZD
in_stock: true
reviews_count: 1
url: https://www.desertcart.nz/products/663625940-eufy-accessory-replacement-battery-omni-s1-pro-s1-4-600
store_origin: NZ
region: New Zealand
---

# 21.6V high-voltage power 4600mAh real capacity Advanced battery protection eufy Accessory-Replacement Battery Omni S1 Pro/S1, 4,600 mAh Real Capacity, 21.6V Lithium-Ion

**Brand:** eufy
**Price:** $273
**Availability:** ✅ In Stock

## Summary

> 🔋 Keep your eufy Omni S1 Pro powered up and unstoppable!

## Quick Answers

- **What is this?** eufy Accessory-Replacement Battery Omni S1 Pro/S1, 4,600 mAh Real Capacity, 21.6V Lithium-Ion by eufy
- **How much does it cost?** $273 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/663625940-eufy-accessory-replacement-battery-omni-s1-pro-s1-4-600)

## Best For

- eufy enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Swap:** Quick, tool-free battery replacement keeps your robot running with zero downtime
- • **Power That Lasts:** 4600mAh capacity fuels longer cleaning sessions without interruption
- • **Authentic Quality:** Genuine eufy accessory ensures optimal lifespan and peak device health
- • **Smart Safety Tech:** Built-in intelligent battery protection monitors current & temperature in real-time
- • **Seamless Compatibility:** Designed exclusively for eufy Omni S1 Pro/S1 for a perfect fit and performance

## Overview

This genuine eufy replacement battery offers a robust 4600mAh lithium-ion capacity at 21.6V, engineered with advanced protection systems to monitor current and temperature in real-time. Compatible exclusively with the eufy Omni S1 Pro/S1, it enables quick and easy battery swaps to maximize your robot vacuum’s uptime and lifespan.

## Description

Full description not available

## Features

- Compatible with eufy Omni S1 Pro/S1.
- Made with high-quality battery cells, offering intelligent and advanced battery protection system, real-time monitoring current and temprature which help boast a durable lifespan.
- Simply remove the robot's battery cover, unlatch to take out the old battery, then insert the new one with the sticker side up. Ensure the battery wires are neatly tucked inside the compartment for a perfect fit.
- Battery replacement frequency may vary depending on usage. Please refer to the product manual for recommended maintenance intervals.
- Authentic eufy Accessory: To extend the lifespan of your machine

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Unit Count | 1.0 Count |
| Battery Cell Type | Lithium Ion |
| Recommended Uses For Product | eufy S1 Pro |
| Reusability | Rechargeable |
| Battery Capacity | 4600 Milliamp Hours |

## Product Details

- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Brand:** eufy
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 4600 Milliamp Hours
- **Recommended Uses For Product:** eufy S1 Pro

## Images

![eufy Accessory-Replacement Battery Omni S1 Pro/S1, 4,600 mAh Real Capacity, 21.6V Lithium-Ion - Image 1](https://m.media-amazon.com/images/I/61AgBgQEa3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits my eufy S1 pro
*by E***L on May 19, 2025*

Perfect fit for a eufy S1 Pro I bought recently that didn't come with the battery. Removing the cover, placing the battery, and putting it in took less than 5 minutes in total. Had about 6 screws.

## Frequently Bought Together

- eufy Accessory-Replacement Battery Omni S1 Pro/S1, 4,600 mAh Real Capacity, 21.6V Lithium-Ion
- eufy Robot Vacuum Omni S1 Pro with All-in-One Station, HydroJet Robot Vacuum and Mop Combo, Eco-Clean Ozone, 8000 Pa Suction, Obstacle Avoidance, Auto Mop Washing & Drying, Self-Emptying
- eufy Accessory Kit for Omni S1 Pro/S1, 2 Rolling Mops, 4 High-Performance Filters, Dirty Water Reservoir Filter, Rolling Brush & Brush Guard, 3 Dust Bags, and 2 Sets of Side Brushes

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**Shop now:** [https://www.desertcart.nz/products/663625940-eufy-accessory-replacement-battery-omni-s1-pro-s1-4-600](https://www.desertcart.nz/products/663625940-eufy-accessory-replacement-battery-omni-s1-pro-s1-4-600)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-17*