--- product_id: 599788249 title: "Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV" brand: "ef ecoflow" price: "€ 4509.02" currency: EUR in_stock: true category: "Ef Ecoflow" url: https://www.desertcart.hr/products/599788249-extra-battery-for-delta-pro-ultra-and-delta-pro-ultra store_origin: HR region: Croatia --- # App-controlled plug & play 6144Wh expandable capacity EV-grade LFP cells & triple safety Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV **Brand:** ef ecoflow **Price:** € 4509.02 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your freedom—never run out, never slow down! ## Quick Answers - **What is this?** Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV by ef ecoflow - **How much does it cost?** € 4509.02 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/599788249-extra-battery-for-delta-pro-ultra-and-delta-pro-ultra) ## 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 - • **Smart Monitoring:** Control and track your battery’s performance anytime via the intuitive EcoFlow app. - • **Next-Level Safety:** Built with EV-grade LFP cells and a triple-layer safety system for peace of mind. - • **Massive Power Boost:** Add 6144Wh to your Delta Pro Ultra for unstoppable energy on demand. - • **Versatile Powerhouse:** Perfect for home backup, camping, RV adventures, and emergency readiness. - • **Effortless Integration:** Plug-and-play design means zero setup—just connect and power up instantly. ## Overview The EF ECOFLOW Extra Battery for Delta Pro Ultra & Ultra X delivers an additional 6144Wh of high-capacity, lithium iron phosphate power. Engineered with EV-grade cells and a robust triple safety architecture, it ensures reliable, safe energy storage. Designed for seamless plug-and-play use, it integrates effortlessly with your Delta Pro Ultra system and offers smart app control for real-time monitoring. Ideal for home backup, outdoor adventures, and emergency situations, this battery expands your power horizon with 7200W output and up to 720 hours runtime. ## Description desertcart.com : EF ECOFLOW Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV : Patio, Lawn & Garden ## Features - Expandable capacity - Increase the capacity of DELTA Pro Ultra&DELTA Pro Ultra X with an extra 6144Wh. - The Highest Safety Standards: EV-grade LFP cells, dual BMS, and 3-level safety architecture. - Plug-and-play without setup. And use the EcoFlow app to monitor and control. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQXLCK75 | | Additional Features | Expandable Capacity, LFP Battery | | Best Sellers Rank | #34,247 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #114 in Outdoor Generators | | Brand | EF ECOFLOW | | Brand Name | EF ECOFLOW | | Color | Silver | | Customer Reviews | 4.3 out of 5 stars 98 Reviews | | EU Spare Part Availability Duration | 10 Years | | Engine Power Maximum | 7.2 Kilowatts | | Engine Type | Battery-based | | Fuel Type | Electric | | Included Components | DELTA Pro Ultra Battery, EcoFlow Battery Connection Cable | | Item Dimensions L x W x H | 26"L x 18"W x 8"H | | Item Type Name | portable power station | | Item Weight | 111.8 Pounds | | Manufacturer | EcoFlow | | Manufacturer Part Number | EFYJ751-BP | | Material Type | Lithium Iron Phosphate (Lfp), Steel, Aluminum | | Model Name | DELTA Pro Ultra Extra Battery | | Model Number | EFYJ751-BP | | Output Wattage | 7200 | | Power Source | Battery Powered | | Recommended Uses For Product | Camping, Commercial, Residential | | Running Wattage | 7200 Watts | | Runtime | 720 hours | | Starting Wattage | 7200 Watts | | Total Power Outlets | 1 | | UPC | 842783132925 | | Unit Count | 1.0 Count | | Voltage | 120 Volts | | Warranty Description | 5 year manufacturer | | Wattage | 7200 watts | ## Product Details - **Brand:** EF ECOFLOW - **Fuel Type:** Electric - **Included Components:** DELTA Pro Ultra Battery, EcoFlow Battery Connection Cable - **Item Weight:** 111.8 Pounds - **Output Wattage:** 7200 - **Power Source:** Battery Powered - **Recommended Uses For Product:** Camping, Commercial, Residential - **Special Feature:** Expandable Capacity, LFP Battery - **Voltage:** 120 Volts - **Wattage:** 7200 watts ## Images ![Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV - Image 1](https://m.media-amazon.com/images/I/51ydf3PeUuL.jpg) ![Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV - Image 2](https://m.media-amazon.com/images/I/71uh5wruuFL.jpg) ![Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV - Image 3](https://m.media-amazon.com/images/I/71SKMb9jB7L.jpg) ![Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV - Image 4](https://m.media-amazon.com/images/I/7114b-ifziL.jpg) ![Extra Battery for Delta Pro Ultra&Delta Pro Ultra X, Lifepo4 Battery Backup for Home Use, Emergency, Camping, RV - Image 5](https://m.media-amazon.com/images/I/51Lhao86BFL.jpg) ## Available Options This product comes in different **Style** options. --- ## 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.hr/products/599788249-extra-battery-for-delta-pro-ultra-and-delta-pro-ultra](https://www.desertcart.hr/products/599788249-extra-battery-for-delta-pro-ultra-and-delta-pro-ultra) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-04*