--- product_id: 741840394 title: "3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V" brand: "cqceo" price: "10.88 DT" currency: TND in_stock: false reviews_count: 5 url: https://www.desertcart.tn/products/741840394-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid store_origin: TN region: Tunisia --- # 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:** 10.88 DT **Availability:** ❌ Out of Stock ## Summary > 🔋 Power your clean with confidence — never miss a spot again! ## 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?** 10.88 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/741840394-3400mah-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 - • **Safe & Smart:** Built-in overcharge, over-discharge, and overheating protection for worry-free performance. - • **Easy Activation:** Simple 3-4 charge cycles to ‘wake up’ your battery and maximize lifespan. - • **Power That Lasts:** 3400mAh capacity ensures longer cleaning cycles without interruption. - • **Eco-Efficient Design:** Low power consumption IC design extends battery life and reduces energy waste. - • **Seamless Compatibility:** Specifically engineered for Eufy RoboVac LR20, LR30, L35 Hybrid+ models for a perfect fit. ## Overview The CQCEO 3400mAh Lithium-ion battery delivers a robust 14.4V output tailored for Eufy RoboVac LR20, LR30, and L35 Hybrid+ models. Featuring advanced safety protections and an eco-efficient design, it guarantees longer runtime and reliable performance, making it the ultimate upgrade for your smart cleaning routine. ## Description Specifications: Voltage:14.4V Capacity:3400mAh Battery Type:Lithium ion Battery Condition: Brand New Color: Black Condition: 100% New from Manufacturer, Grade A Cell Compatible Part Numbers: CMICR18650F9M-4S1P T2996011 Compatible Model: for Eufy RoboVac LR20 Robot for Eufy RoboVac LR30 Hybrid Robot for Eufy RoboVac LR30 Hybrid+ Robot for Eufy RoboVac L35 Hybrid+ Robot 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 | | Brand | CQCEO | | Brand Name | CQCEO | | Customer Reviews | 3.9 out of 5 stars 24 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 | | Voltage | 14.4 Volts | ## Product Details - **Number of Batteries:** 1 Lithium Ion batteries required. - **Brand:** CQCEO - **Battery Cell Composition:** Lithium Ion - **Battery Capacity:** 3400 Milliamp Hours - **Recommended Uses For Product:** Vacuum Cleaner - **Voltage:** 14.4 Volts - **Reusability:** Rechargeable - **Battery Weight:** 100 Grams - **Compatible Devices:** Vacuum Cleaner - **UPC:** 712110359250 ## 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) ![3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V - Image 2](https://m.media-amazon.com/images/I/61etO-8RlFL.jpg) ![3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V - Image 3](https://m.media-amazon.com/images/I/61fEkxF-T8L.jpg) ![3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V - Image 4](https://m.media-amazon.com/images/I/61JArlthIRL.jpg) ![3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V - Image 5](https://m.media-amazon.com/images/I/71m-1A3jXuL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good aftermarket replacement battery since manufacturer no longer provides it. *by C***S on 30 June 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 25 April 2026* Swapped out and cleaned worked as new. ### ⭐⭐⭐ Doesn't hold a charge well *by J***N on 7 June 2026* Its been 7 months since purchase. The battery did bring my eufy back to life but it does not last long. It frequently loses charge mid vacuum and we have manually take the vacuum to the charge station. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/741840394-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid](https://www.desertcart.tn/products/741840394-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-01*