---
product_id: 662050319
title: "3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V"
brand: "cqceo"
price: "€ 41.89"
currency: EUR
in_stock: true
reviews_count: 8
category: "Cqceo"
url: https://www.desertcart.hr/products/662050319-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid
store_origin: HR
region: Croatia
---

# 14.4V stable voltage 3400mAh high capacity Multi-layer safety protection 3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V

**Brand:** cqceo
**Price:** € 41.89
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your clean game — don’t let a dead battery slow your flow!

## Quick Answers

- **What is this?** 3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V by cqceo
- **How much does it cost?** € 41.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/662050319-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid)

## Best For

- cqceo enthusiasts

## Why This Product

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

## Key Features

- • **Smart Safety First:** Built-in overcharge, over-discharge, over-current, and overheating protection ensures worry-free operation.
- • **Long-Term Reliability:** Durable battery design backed by a 12-month warranty and responsive 24/7 support keeps you covered.
- • **Plug & Play Compatibility:** Seamlessly replaces original Eufy RoboVac LR20, LR30 Hybrid+, and L35 Hybrid+ batteries with zero hassle.
- • **Power Through Your Cleaning:** 3400mAh lithium-ion capacity delivers extended runtime for uninterrupted RoboVac performance.
- • **Revive Your RoboVac’s Mojo:** Restores peak suction power and efficiency, eliminating those frustrating clog warnings.

## Overview

This brand-new 3400mAh lithium-ion battery (14.4V) is a direct replacement for Eufy RoboVac LR20, LR30 Hybrid+, and L35 Hybrid+ models. Engineered with advanced safety features and high capacity, it restores your vacuum’s original performance and runtime. Easy to install and backed by a 12-month warranty, it’s the essential upgrade for maintaining a spotless home without interruption.

## Description

desertcart.com: CQCEO 3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V : Home & Kitchen

Review: Good aftermarket replacement battery since manufacturer no longer provides it. - Works great so far for my Eufy LR20 robovac. It had been giving me warnings that it was clogged, even after cleaning the unit, filters, and emptying the bin. Presumably the original battery wasn't able to provide enough current for it to continue working effectively. Battery replacement has brought functionality back to "as new".
Review: Worked great - Swapped out and cleaned worked as new.

## Features

- Battery type: Lithium ion; Battery Condition: Brand New; Voltage: 14.4V; Capacity: 3400mAh
- Replace Part Numbers: for Eufy CMICR18650F9M-4S1P T2996011
- Compatible Models: for Eufy RoboVac LR20 LR30 L35 Hybrid+ Robot Vacuum Cleaner
- Important note: Before purchasing, please confirm whether the model of the sweeper conforms to, If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery
- Safe to Use: The lithium-ion battery comes with built-in over-charge, over-discharge, over-voltage, over-current, and over-heating protection. Battery life varies based on settings, usage & temperature. Lower power consumption IC Design & High capacity circulatory function, perfect replace your original batteries

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DDXRSCB2 |
| Antenna Location | Vacuum Cleaner |
| Battery Capacity | 3400 Milliamp Hours |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 100 Grams |
| Best Sellers Rank | #499,038 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #470 in Vacuum Replacement Batteries |
| Brand | CQCEO |
| Customer Reviews | 3.8 out of 5 stars 19 Reviews |
| Manufacturer | Foshan Eurasia Energy Technology Co., Ltd |
| Model Number | T2996011 |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Recommended Uses For Product | Vacuum Cleaner |
| Reusability | Rechargeable |
| UPC | 712110359250 |
| Unit Count | 1.0 Count |
| Voltage | 14.4 Volts |
| Warranty Description | 12 Months Warranty. 30 Days money back guarantee. 24 x 7 Email support. |

## Product Details

- **Battery Capacity:** 3400 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** CQCEO
- **Number of Batteries:** 1 Lithium Ion batteries required.
- **Recommended Uses For Product:** Vacuum Cleaner

## Images

![3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V - Image 1](https://m.media-amazon.com/images/I/61S8-rAtSJL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good aftermarket replacement battery since manufacturer no longer provides it.
*by C***S on June 30, 2026*

Works great so far for my Eufy LR20 robovac. It had been giving me warnings that it was clogged, even after cleaning the unit, filters, and emptying the bin. Presumably the original battery wasn't able to provide enough current for it to continue working effectively. Battery replacement has brought functionality back to "as new".

### ⭐⭐⭐⭐⭐ Worked great
*by P***E on April 25, 2026*

Swapped out and cleaned worked as new.

### ⭐ Mala batería
*by R***A on February 21, 2026*

No aguanta la limpieza o el trabajo de la aspiradora, la batería no dura ni la mitad del tiempo que debería durar para limpiar, la aspiradora se apaga limpiando

## Frequently Bought Together

- CQCEO 3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V
- eufy Official Replacement Dust Bags for eufy L60/L50 Series with Self-Empty Station(Pack of 6)
- Replacement Parts Compatible with eufy L60/L50/L60 SES/L50 SES Robot Vacuums Accessories Kit Brush, Filter Attachemnt Combo

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-15*