---
product_id: 599788249
title: "EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery"
brand: "ef ecoflow"
price: "AR$10727216"
currency: ARS
in_stock: true
reviews_count: 13
category: "Ef Ecoflow"
url: https://www.desertcart.com.ar/products/599788249-ef-ecoflow-delta-pro-ultra-series-6144wh-smart-extra-battery
store_origin: AR
region: Argentina
---

# Smart app control & monitoring 6144Wh expandable capacity EV-grade LFP cells & triple safety EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery

**Brand:** ef ecoflow
**Price:** AR$10727216
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your peace of mind with the ultimate smart battery boost!

## Quick Answers

- **What is this?** EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery by ef ecoflow
- **How much does it cost?** AR$10727216 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/599788249-ef-ecoflow-delta-pro-ultra-series-6144wh-smart-extra-battery)

## 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

- • **Massive Expandable Power:** Boost your DELTA Pro Ultra with an extra 6144Wh for unstoppable energy freedom.
- • **Plug-and-Play Simplicity:** No setup hassle—just connect and power up instantly.
- • **Next-Level Safety Architecture:** Built with EV-grade LFP cells and a triple-layer safety system for peace of mind.
- • **Ultimate Backup for Every Scenario:** Perfect for whole-house backup, emergency power, camping, and off-grid living.
- • **Smart Monitoring at Your Fingertips:** Control and track your battery’s status anytime via the intuitive EcoFlow app.

## Overview

The EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery is a high-capacity, lithium iron phosphate (LFP) battery designed to expand the power of DELTA Pro Ultra systems. Featuring EV-grade cells, a robust triple safety architecture, and seamless plug-and-play installation, it offers reliable whole-house backup and off-grid power solutions. Controlled via the EcoFlow app, it delivers smart monitoring and effortless management, making it ideal for emergency preparedness, camping, and professional off-grid setups.

## Description

desertcart.com : EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery | Lifepo4 Battery,Plug-and-play,Backup for Home Use, Emergency, Camping, RV : Patio, Lawn & Garden

Review: Whole House Backup Made Easy - The whole-house battery back-up system from Ecoflow was a great investment, especially with the 30% tax credit. I run the Smart Home Panel 2 in Emergency Power (EPS) mode, which provides an instantaneous fail-over for 12 of my circuits. Whenever we lose power, which can happen for short periods in FL, my important circuits never go down. I no longer need the small UPS in these rooms. I don't have solar or a generator (but could) - my main purpose for this system is peace of mind and hurricane season in FL. This replaced my original 100A subpanel, and installation took a full day. Not all the circuits to be backed up were on the original subpanel, so the electrician had to run wires between the sub and main to move the low priority circuits over to the main and the high priority ones to the smart panel. I used an electrician who had installed one previously - they charged $1900 and did a great job. There were other higher quotes. But their job stopped at installation; I had to use the app to update firmware and start up the system. It wasn't too difficult. The app is impressive and works well. It provides good visibility into power consumption and status on each circuit, on/off functions, and other programmatic controls. My only disappointment is that I cannot run it in EPS mode and also schedule fail-over tasks; the app indicates these functions are not compatible. Design suggestion: make the scheduled tasks able to turn off the EPS mode to conduct the fail-over and then turn it back on when it returns to main power. So far I've only had a few short power outages without any issue. No major outages yet, but I'm happy not to have to fuss with a generator when it does. If you hate generators (like me) and all that goes with them, you’ll love this solution.
Review: Efficient Boondock, living with the EcoFlow pro ultra with two extra batteries. - I have the Delta pro ultra with three extra batteries, living off grid in a box truck and a custom engineered RV trailer. Located in Quartzsite, Arizon, Boon-dock living with (16) 250 W solar panels. I have a 7 ft.³ deep, freeze, refrigerator, a 12,000 BTU mini split (22 see2), Starlink, eight high-end night vision cameras, running 24 hours a day, as well as a Mac M4 studio computer operating at least eight hours a day. Thermostat is set at a cozy 72° during the day and 68 at night I found that it is most effective if you were located in extreme heat to have the batteries within the air-conditioned space. The heat produced by the batteries charging is minuscule if you have a mini split.

## 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 | #37,743 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #190 in Outdoor Generators |
| Brand | EF ECOFLOW |
| Brand Name | EF ECOFLOW |
| Color | Silver |
| Customer Reviews | 4.2 out of 5 stars 400 Reviews |
| EU Spare Part Availability Duration | 10 years |
| Engine Power Maximum | 7.2 KW |
| 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 Highlight | Lifepo4 Battery,Plug-and-play,Backup for Home Use, Emergency, Camping, RV |
| 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 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

![EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery - Image 1](https://m.media-amazon.com/images/I/51ydf3PeUuL.jpg)
![EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery - Image 2](https://m.media-amazon.com/images/I/71uh5wruuFL.jpg)
![EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery - Image 3](https://m.media-amazon.com/images/I/71SKMb9jB7L.jpg)
![EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery - Image 4](https://m.media-amazon.com/images/I/7114b-ifziL.jpg)
![EF ECOFLOW DELTA Pro Ultra Series 6144Wh Smart Extra Battery - Image 5](https://m.media-amazon.com/images/I/51Lhao86BFL.jpg)

## Available Options

This product comes in different **Set** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Whole House Backup Made Easy
*by B***9 on February 22, 2025*

The whole-house battery back-up system from Ecoflow was a great investment, especially with the 30% tax credit. I run the Smart Home Panel 2 in Emergency Power (EPS) mode, which provides an instantaneous fail-over for 12 of my circuits. Whenever we lose power, which can happen for short periods in FL, my important circuits never go down. I no longer need the small UPS in these rooms. I don't have solar or a generator (but could) - my main purpose for this system is peace of mind and hurricane season in FL. This replaced my original 100A subpanel, and installation took a full day. Not all the circuits to be backed up were on the original subpanel, so the electrician had to run wires between the sub and main to move the low priority circuits over to the main and the high priority ones to the smart panel. I used an electrician who had installed one previously - they charged $1900 and did a great job. There were other higher quotes. But their job stopped at installation; I had to use the app to update firmware and start up the system. It wasn't too difficult. The app is impressive and works well. It provides good visibility into power consumption and status on each circuit, on/off functions, and other programmatic controls. My only disappointment is that I cannot run it in EPS mode and also schedule fail-over tasks; the app indicates these functions are not compatible. Design suggestion: make the scheduled tasks able to turn off the EPS mode to conduct the fail-over and then turn it back on when it returns to main power. So far I've only had a few short power outages without any issue. No major outages yet, but I'm happy not to have to fuss with a generator when it does. If you hate generators (like me) and all that goes with them, you’ll love this solution.

### ⭐⭐⭐⭐⭐ Efficient Boondock, living with the EcoFlow pro ultra with two extra batteries.
*by B***T on June 12, 2026*

I have the Delta pro ultra with three extra batteries, living off grid in a box truck and a custom engineered RV trailer. Located in Quartzsite, Arizon, Boon-dock living with (16) 250 W solar panels. I have a 7 ft.³ deep, freeze, refrigerator, a 12,000 BTU mini split (22 see2), Starlink, eight high-end night vision cameras, running 24 hours a day, as well as a Mac M4 studio computer operating at least eight hours a day. Thermostat is set at a cozy 72° during the day and 68 at night I found that it is most effective if you were located in extreme heat to have the batteries within the air-conditioned space. The heat produced by the batteries charging is minuscule if you have a mini split.

### ⭐⭐⭐⭐⭐ Clever design
*by S***A on July 17, 2026*

Great product. It has a clever modular design that’s easy to assemble and set up for use.

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**Shop now:** [https://www.desertcart.com.ar/products/599788249-ef-ecoflow-delta-pro-ultra-series-6144wh-smart-extra-battery](https://www.desertcart.com.ar/products/599788249-ef-ecoflow-delta-pro-ultra-series-6144wh-smart-extra-battery)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-13*