--- product_id: 543004465 title: "4000mAh 14.4V Replacement Battery for Eufy, Ecovacs Deebot Robot Vacuum" brand: "kunlun" price: "£27.52" currency: GBP in_stock: true category: "Kunlun" url: https://www.desertcart.co.uk/products/543004465-4000mah-14-4v-replacement-battery-for-eufy-ecovacs-deebot-robot store_origin: GB region: United Kingdom --- # ≥120 mins runtime 14.4V powerful voltage 4000mAh high capacity 4000mAh 14.4V Replacement Battery for Eufy, Ecovacs Deebot Robot Vacuum **Brand:** kunlun **Price:** £27.52 **Availability:** ✅ In Stock ## Summary > 🔋 Power your clean life—never settle for less than nonstop freshness! ## Quick Answers - **What is this?** 4000mAh 14.4V Replacement Battery for Eufy, Ecovacs Deebot Robot Vacuum by kunlun - **How much does it cost?** £27.52 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/543004465-4000mah-14-4v-replacement-battery-for-eufy-ecovacs-deebot-robot) ## Best For - kunlun enthusiasts ## Why This Product - Trusted kunlun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First, Always:** CE, FCC, ROHS certified with multi-layer protection—clean smarter, safer. - • **Durability That Lasts:** 500+ charge cycles with no memory effect—consistent performance guaranteed. - • **Endless Cleaning Power:** 4000mAh capacity fuels longer vacuum sessions—outlast your mess. - • **Plug & Play Simplicity:** Easy installation with just two screws—get back to spotless floors fast. - • **Universal Compatibility:** Works seamlessly with top Eufy & Ecovacs models—upgrade without hassle. ## Overview This 4000mAh 14.4V lithium-ion replacement battery is designed for Eufy and Ecovacs Deebot robot vacuums, delivering over 120 minutes of runtime per charge. Featuring easy installation, compatibility with multiple models, and certified safety protections, it ensures long-lasting, reliable performance with 500+ recharge cycles and no memory effect. ## Description Shop for the 4000mAh 14.4V Replacement Battery for Eufy, Ecovacs Deebot Robot Vacuum | for Eufy RoboVac 11 11C 11S 12 15C, 15C MAX, 25C 30 30C G10 Hybrid, G20 G30 G32 pro, G40 Hybrid, Ecovacs Deebot N79 N79S at the desertcart Home & Kitchen Store. Find products from KUNLUN with the lowest prices. ## Features - LONG LASTING -- Replacement Battery | Voltage: 14.4V | Capacity: 4000mAh | Removable & Rechargeable | Cycle Times: ≥500cycles | Running Time: ≥120 Mins per charge. Longer duration than others. (Battery lifetime varies with home environment and usage) - WIDELY COMPATIBLE -- Perfect compatible for Ecovacs Deebot N79S, N79, N79SE, N79W, DN622, DN622.11, 500, and for Eufy RoboVac 11, 11S, 11S Plus, 11S MAX, 12, 15C, 15C MAX, 15T, 30, 30C MAX, 35C, G10 Hybrid, G20, G30, G32 pro, G35, G35+, G40, G40 Hybrid, G40+, G40Hybrid+ series robot vacuum cleaners.(NOT Fit for Eufy RoboVac 11+/RoboVac l70 hybrid) - EASY TO INSTALL -- Just remove the two screws on the bottom battery compartment lid, remove the battery connector and connect the new one, then revive your robot again. Please fully charge the battery before using it for the first time. - NO MEMORY EFFECT -- Can be charged or discharged as needed without loss of capacity. Offers long-lasting performance and durability. Keep your machine cleaning all dirt, dust, debris, hair and whatever was on the floor. - ULTRA SAFE -- All KUNLUN batteries have complied with CE, FCC, ROHS certified and standards, built-in over-charge, over-discharge, over-voltage, over-current, and over-heating protection, ensure safer use with your vacuum cleaner. - NOTE -- This battery replacement for Eufy robot vacuum ONLY replace for 3-Prong connector battery, please confirm your original battery connector before purchase. - WHAT YOU GET -- 1 x Replacement battery. Any problem, please feel free to contact us. Please click the "Ask a question" on our storefront or in "YOUR ORDER" options click the "contact seller". ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C5X3CZ91 | | Amperage | 2.8 A | | Antenna Location | Compatible for Eufy RoboVac & Ecovacs Deebot Series Robot Vauum Cleaners | | Battery Capacity | 4000 milliamp_hours | | Battery Cell Type | Lithium Ion | | Battery Weight | 5 ounces | | Best Sellers Rank | #161,502 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #72 in Vacuum Replacement Batteries | | Brand | KUNLUN | | Compatible Phone Models | Compatible for Eufy RoboVac & Ecovacs Deebot Series Robot Vauum Cleaners | | Customer Reviews | 4.6 4.6 out of 5 stars (310) | | Included Components | Battery Pack | | Manufacturer | Dongguan Tenway Power Co.,Ltd | | Model Name | TW4-11 | | Model Number | TW4-11 | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 1 Count | | Voltage | 14.4 volts | | Warranty Description | 30 days money back and 1-year limited warranty | ## Product Details - **Battery Capacity:** 4000 milliamp_hours - **Battery Cell Composition:** Lithium Ion - **Brand:** KUNLUN - **Number of Batteries:** 1 Lithium Ion batteries required. (included) - **Recommended Uses For Product:** Compatible for Eufy RoboVac & Ecovacs Deebot Series Robot Vauum Cleaners ## Images ![4000mAh 14.4V Replacement Battery for Eufy, Ecovacs Deebot Robot Vacuum - Image 1](https://m.media-amazon.com/images/I/71tubxq9APL.jpg) ## Frequently Bought Together - KUNLUN Battery Replacement for Eufy RoboVac 11 11C 11S 12 15C 15C MAX 25C 30 30C G10 Hybrid G20 G30 G40 Hybrid & for Ecovacs Deebot N79 N79S DN622 Robot Vacuum Batteries 14.4V 2800mAh - Spare Accessories Compatible for eufy 11S Max, G30, 30C Max, 15C Max, G32 Pro, Robotic Vacuum Replacements: 1 Roller Brush 6 Side Brushes 5 Unibody Filter 𝙉𝙊𝙏 𝙛𝙤𝙧 𝟏𝟏𝐒 / 𝗚𝟯𝟬 𝗛𝘆𝗯𝗿𝗶𝗱 - SONGRUI Replacement Parts for eufy robovac 11S, 12, 15T, 15C, 25C, 30, 30C, 35C Slim Carpet Robotic Vacuum Cleaner Hepa Filter Pre-filter Roller Brush Spin Side Brushes Attachment (with Pre-Filter) --- ## 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.co.uk/products/543004465-4000mah-14-4v-replacement-battery-for-eufy-ecovacs-deebot-robot](https://www.desertcart.co.uk/products/543004465-4000mah-14-4v-replacement-battery-for-eufy-ecovacs-deebot-robot) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-09-28*