--- product_id: 662050319 title: "3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V" brand: "cqceo" price: "980921₫" currency: VND in_stock: true reviews_count: 8 category: "Cqceo" url: https://www.desertcart.vn/products/662050319-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid store_origin: VN region: Vietnam --- # 14.4V powerful voltage 3400mAh high capacity Built-in multi-layer safety 3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V **Brand:** cqceo **Price:** 980921₫ **Availability:** ✅ In Stock ## Summary > 🔋 Power your clean lifestyle with confidence and never settle for less! ## 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?** 980921₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/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 - • **Advanced Safety Tech:** Integrated over-charge, over-discharge, over-voltage, over-current, and over-heating protection for worry-free use. - • **Seamless Compatibility:** Specifically engineered for Eufy RoboVac LR20, LR30 Hybrid+, and L35 Hybrid+ models—plug and play perfection. - • **Long-Lasting Power Boost:** 3400mAh capacity keeps your RoboVac running longer, so you never miss a cleaning beat. - • **Eco-Friendly Rechargeable Design:** Rechargeable lithium-ion battery reduces waste while powering your smart home cleaning routine. - • **Easy Installation & Wake-Up Cycle:** Simple replacement with a quick 3-4 charge cycles to maximize battery life and performance. ## Overview This brand-new 3400mAh lithium-ion battery delivers a robust 14.4V output, designed exclusively for Eufy RoboVac LR20, LR30 Hybrid+, and L35 Hybrid+ models. Featuring advanced multi-layer safety protections and a rechargeable design, it ensures reliable, long-lasting performance. Easy to install and backed by a 12-month warranty, it’s the perfect upgrade to keep your smart vacuum running at peak efficiency. ## Description desertcart.com: CQCEO 3400mAh Vacuum Cleaner Battery for Eufy RoboVac LR20, LR30 Hybrid+, L35 Hybrid+, T2996011 CMICR18650F9M-4S1P 14.4V : Home & Kitchen Review: Worked great - Swapped out and cleaned worked as new. Review: Brought my Anker Eufy L35 Hybrid+ back to life - This brought my Anker Eufy L35 Hybrid+ back to life. So far so good. ## 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 | #745,249 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #739 in Vacuum Replacement Batteries | | Brand | CQCEO | | Customer Reviews | 3.8 out of 5 stars 16 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 ### ⭐⭐⭐⭐⭐ Worked great *by P***E on April 25, 2026* Swapped out and cleaned worked as new. ### ⭐⭐⭐⭐⭐ Brought my Anker Eufy L35 Hybrid+ back to life *by B***P on July 1, 2025* This brought my Anker Eufy L35 Hybrid+ back to life. So far so good. ### ⭐ 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 --- ## 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.vn/products/662050319-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid](https://www.desertcart.vn/products/662050319-3400mah-vacuum-cleaner-battery-for-eufy-robovac-lr20-lr30-hybrid) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-22*