--- product_id: 638080480 title: "8kWh Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub, 120/240V 8000W AC Output, Solar Generator for Home Use, Camping Accessories, Emergencies, Power Outages, RVs" brand: "ef ecoflow" price: "€ 12492.78" currency: EUR in_stock: true reviews_count: 3 url: https://www.desertcart.fr/products/638080480-8kwh-home-battery-backup-2-delta-pro-3-with-50 store_origin: FR region: France --- # 8000W peak power output 30 dB whisper-quiet operation 4096Wh battery capacity, expandable to 48kWh 8kWh Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub, 120/240V 8000W AC Output, Solar Generator for Home Use, Camping Accessories, Emergencies, Power Outages, RVs **Brand:** ef ecoflow **Price:** € 12492.78 **Availability:** ✅ In Stock ## Summary > 🔋 Power your life, silently and endlessly—because downtime is so last decade. ## Quick Answers - **What is this?** 8kWh Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub, 120/240V 8000W AC Output, Solar Generator for Home Use, Camping Accessories, Emergencies, Power Outages, RVs by ef ecoflow - **How much does it cost?** € 12492.78 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/638080480-8kwh-home-battery-backup-2-delta-pro-3-with-50) ## Best For - ef ecoflow enthusiasts ## Why This Product - Trusted ef ecoflow brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Silent Guardian:** X-Quiet tech keeps noise at a whisper-quiet 30 dB, perfect for peaceful nights and focused work. - • **Plug & Play Simplicity:** Setup in minutes with no installation—portable, app-controlled, and ready for any adventure or emergency. - • **Endless Energy, Zero Refuel:** 4096Wh LFP battery with expansion options and 25+ charging methods means power that never quits. - • **Instant Backup, Zero Downtime:** Ultra-fast 10 ms switchover protects your devices and keeps life uninterrupted during outages. - • **Double the Power, Double the Freedom:** Chain two DELTA Pro 3 units for a massive 8000W output—run every home appliance without compromise. ## Overview The EF ECOFLOW 8kWh Home Battery Backup combines two DELTA Pro 3 units linked by a 50 Amp Hub to deliver a robust 8000W AC output. Featuring a 4096Wh lithium iron phosphate battery expandable up to 48kWh, it supports 99% of home appliances with ultra-fast 10 ms switchover for seamless backup. With 25+ charging options including solar and EV chargers, whisper-quiet operation at 30 dB, and app-based remote control, it’s the ultimate portable power solution for home, RV, and emergency use—backed by a 5-year warranty for peace of mind. ## Description Extra Battery DELTA 3 Ultra Plus DELTA 3 Ultra DELTA Pro 3+400W DELTA Pro 3+Extra Battery ## Features - [Double Power, Expanded Home Use] Easily chain together two units of DELTA Pro 3 using the 50 Amp Hub. It doubles the AC output to 8000W, so you can run 99% of all home appliances, including high-wattage ones like a clothes dryer or electric heater. - [Forget Refueling] Featuring a 4096Wh LFP battery capacity, expandable to 48kWh with extra batteries or smart generators, providing 2-4 days of whole-home backup power. With 7 unique and 18 combo charging methods like AC wall outlets, solar panels, gas generators, EV charging piles, or the EcoFlow smart home panel 2, you can forget fuel worries. - [Plug and Play] Experience hassle-free power with the DELTA Pro 3, a versatile portable power station that's easy to set up, even a kid can manage it. No installation or maintenance required. Its portable handle design makes this solar generator perfect for clean, renewable energy anywhere, anytime. Control and monitor your power with the EcoFlow app, even remotely. - [Silent as a Whisper] With X-Quiet technology, this solar generator operates at a peaceful hum as low as 30 dB, ensuring undisturbed sleep even beside your bed. Its whisper-quiet operation is so discreet, you'll hardly notice it's there, making it perfect for both indoor and outdoor use. - [Uninterrupted Life] With the ultra-fast 10 ms switch-over capability of the EcoFlow DELTA Pro 3, enjoy instant backup for your NAS systems, servers, and entertainment devices. Safeguard against power disruptions and ensure continuous, safe operation. This portable power station is your reliable partner for an uninterrupted life. - [Explore the Secure Feeling] The EcoFlow DELTA Pro 3 features automotive-grade LFP cells and IP65-rated CTC battery pack technology, safeguarding battery health and extending lifespan. Enjoy peace of mind with a 5-year warranty and exceptional customer service, available anytime for any issues. ## Technical Specifications | Specification | Value | |---------------|-------| | Additional Features | EcoFlow Home Battery Backup: 2 DELTA Pro 3with Double Voltage Hub | | Asin | B0D14FSBYV | | Best Sellers Rank | #609,126 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #1,360 in Outdoor Generators | | Brand Name | EF ECOFLOW | | Color | 240V/8000Wh | | Customer Reviews | 4.3 4.3 out of 5 stars (4) 4.3 out of 5 stars | | Engine Type | 4 Stroke | | Frequency | 60 hertz | | Fuel Type | Non-gasoline | | Ignition System Type | Electric Start | | Included Components | EcoFlow Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub | | Item Dimensions L X W X H | 16.16"L x 13.43"W x 27.38"H | | Item Type Name | power-generators | | Item Weight | 230 pounds | | Manufacturer | EcoFlow | | Manufacturer Part Number | EFD521 | | Material Type | Aluminum, Lfp, Copper, Plastic, Rubber | | Model Name | EFD521 | | Model Number | EFD521 | | Number Of Items | 3 | | Number Of Packs | 2 | | Output Wattage | 4000 | | Power Source | Solar Powered | | Recommended Uses For Product | Residential | | Running Wattage | 8000 watts | | Runtime | 2 minutes | | Starting Wattage | 4000 watts | | Total Power Outlets | 18 | | Unit Count | 2 Count | | Upc | 842783143075 | | Voltage | 240 volts_of_alternating_current | | Warranty Description | 5 Year Manufacturer | | Wattage | 4096 watt-hours | ## Product Details - **Brand:** EF ECOFLOW - **Fuel Type:** Non-gasoline - **Included Components:** EcoFlow Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub - **Item Weight:** 230 Pounds - **Output Wattage:** 4000 - **Power Source:** Solar Powered - **Recommended Uses For Product:** Residential - **Special Feature:** EcoFlow Home Battery Backup: 2 DELTA Pro 3with Double Voltage Hub - **Voltage:** 240 Volts (AC) - **Wattage:** 4096 Watt-hours ## Images ![8kWh Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub, 120/240V 8000W AC Output, Solar Generator for Home Use, Camping Accessories, Emergencies, Power Outages, RVs - Image 1](https://m.media-amazon.com/images/I/61GfsZvhmPL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Make sure you update firmware *by on Reviewed in the United States January 22, 2026* Works great, once you update the firmware. Powered 3 bedroom 2 bath house no problem. Not sure what max run time is, only ran for 6 hours before main power was restored ### ⭐⭐⭐ Hub only works if you use the smart app *by on Reviewed in the United States January 3, 2025* When my Hub wouldn't turn on, they said I would need the app to update the Pro3s' firmware. Not being smart-stuff inclined (and not trusting that the update wouldn't introduce more glitches), I declined and shipped the hub back and got a bare-bones refund for it. I'm keeping the Pro3s, which are doing fine. I suspect the Hub was designed for the Ultra and they figured they could get it to work for the older Pro3s by means of a firmware update. But nothing in this 3-part bundle's description indicates the Hub won't work right out of the box. It won't (in my experience). ### ⭐⭐⭐⭐⭐ Excellent I recommend it 100% *by on Reviewed in the United States August 17, 2025* Very good, it lasts a lot for the load with several connected devices. ## Frequently Bought Together - EF ECOFLOW 8kWh Home Battery Backup: 2 DELTA Pro 3 with 50 Amp Hub, 120/240V 8000W AC Output, Solar Generator for Home Use, Camping Accessories, Emergencies, Power Outages, RVs - EF ECOFLOW 400W Portable Solar Panel, Foldable & Durable, Complete with an Adjustable Kickstand Case, Waterproof IP68 for Outdoor Adventures --- ## 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.fr/products/638080480-8kwh-home-battery-backup-2-delta-pro-3-with-50](https://www.desertcart.fr/products/638080480-8kwh-home-battery-backup-2-delta-pro-3-with-50) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-08-22*