EcoFlow DELTA Pro Ultra X Whole-Home Backup | 6144Wh | 12kW | 10kW Solar Input

Experience The Future Of Home Energy Independence With The EcoFlow DELTA Pro Ultra X

The EcoFlow DELTA Pro Ultra X is the most advanced whole-home power system ever built — delivering instant, intelligent, and installation-ready energy security for your entire home.

With up to 36kW of output and a massive 180kWh of expandable capacity, it’s powerful enough to keep everything running, from your lights and refrigerators to a 5-ton air conditioner — no matter how long the outage lasts.

Real-World Applications of the DELTA Pro Ultra X

Whole-Home Backup So That You Never Miss A Beat When The Power Goes Out

The EcoFlow DELTA Pro Ultra X is an ideal solution for home backup systems, offering homeowners an insurance policy against unexpected power outages. Keep your family comfortable and your home operating flawlessly, without interruption.

RV Travel For Adventurous Freedom And Ease

This portable power station is perfect for RV travelers eager to break free from traditional campground hookups. Power essential devices and luxury gadgets alike, ensuring your trips are comfortable and connected no matter where you roam.

Off-Grid Living For Long-Term Sustainable Independence

Off-grid living enthusiasts will find the EcoFlow DELTA Pro Ultra X a pivotal component in achieving energy independence. Enjoy remote living with a reliable power source that caters to every need, from basic lighting to complex cooking and cooling.

Mobile Worksites So That You Can Power Projects Anywhere

For mobile businesses, this power station means never sacrificing productivity for location. Power heavy-duty tools and equipment to maintain workflows, enhancing efficiency and effectiveness across all job sites.

Why Choose EcoFlow DELTA Pro Ultra X Over Alternatives?

Unrivaled Performance Compared To Any Product That Has Ever Existed

• 12–36 kW Output & 12–180 kWh Capacity — Scale power as your needs grow.
• Plug-and-Play Generator Compatibility — Unlimited runtime when paired with your existing generator.
• <20 ms Auto-Switching — Keeps power seamless during blackouts.
• 10 kW Solar Input — Recharge your system to 80% in about one hour.

Installed and Ready in Just 7 Days

Forget 90-day installation timelines and $10,000 labor bills. The EcoFlow DELTA Pro Ultra X arrives ready to install — with an exclusive quick-connect design that cuts installation time and cost by up to 80%. You’ll be fully powered and future-proofed in just one week.

Smart Power, Total Control

Choose between the EcoFlow Smart Home Panel 3 for circuit-by-circuit precision or the Smart Gateway for hands-off automation. Manage up to 32 smart circuits from the EcoFlow App, monitor energy use in real time, and let Storm Guard Mode automatically charge your system before severe weather hits.

Built for Safety and Longevity

Every EcoFlow DELTA Pro Ultra X is engineered with EV-grade battery cells, dual-BMS protection, and a 3-level safety architecture for unmatched reliability. It even self-heats in freezing weather and auto-balances cell efficiency for decades of safe operation.

Massive Savings, Real ROI

Save up to $6,000 per year by optimizing off-peak rates, solar production, and battery storage. With an average 3-year return on investment, your EcoFlow DELTA Pro Ultra X doesn’t just protect your home — it pays you back.

Why Homeowners Choose EcoFlow DELTA Pro Ultra X

• Powers every circuit in your home, including HVAC
• Installs faster than any competing system
• Scales from small backup to full off-grid operation
• Compatible with solar, generator, and EV charging
• Built to outlast and outperform traditional systems

EcoFlow DELTA Pro Ultra X Features

Massive Power Capacity So You’re Always Ready For Anything

With a huge 6144Wh capacity, this system stores tons of energy. That means you can keep your essential appliances running for extended periods during power outages. It is perfect for keeping your home or business going no matter what happens.

Blazing-Fast 12kW Output For Running All Your High-Power Devices

The DELTA Pro Ultra X delivers a powerful 12kW output. This is essential for running multiple high-demand appliances simultaneously, like air conditioners, refrigerators, and power tools. Enjoy uninterrupted power without sacrificing convenience or productivity.

Super Speedy 10kW Solar Input For Renewable Energy Charging

Harness the sun's power with a 10kW solar input. This allows for a rapid and sustainable energy source to replenish your system. Using solar reduces reliance on traditional sources, saving you money and helping the environment.

Seamless Home Backup So You Never Feel Power Outages

This system provides reliable home backup during blackouts. It automatically switches on to keep your lights, security systems, and essential electronics running smoothly. It helps keep you and your family safe and comfortable at any time.

RV and Off-Grid Ready, Powering Adventures Wherever You Go

Enjoy freedom on the road or in remote locations with reliable power. It is perfect for keeping devices, appliances, and equipment running in RVs, trailers, and off-grid setups. Experience comfort and convenience wherever life takes you.

Smart Energy Management For Total Control and Savings

Use the EcoFlow app for real-time monitoring and control of your energy use. You can optimize usage, set schedules, and lower costs. This intelligent energy control puts you in charge of efficiency and conservation.

Built-In Safety With X-Guard Technology For Total Protection

The DELTA Pro Ultra X has X-Guard technology. It gives full-system protection with the highest safety standards. It offers peace of mind knowing your energy storage solution is stable, reliable, and built to last.

EcoFlow DELTA Pro Ultra X Warranty

EcoFlow provides a limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.

What's Included

DELTA Pro Ultra X Inverter

• 1 x EcoFlow DELTA Pro Ultra X Inverter
  
• 1 x EcoFlowPV Switch Box
• 1 x EcoFlowAC Charging Cable
• 1 x EcoFlow Battery Connection Cable (2.46ft)
• 1 x EcoFlow DELTA Pro Ultra/ Ultra X Portable Stand
• 4 x EcoFlow Side Mount Caster
• 1 x EcoFlow Solar Panel MC4 Disconnect Tool
• 1 x User Manual
• 1 x Warranty Card

DELTA Pro Ultra X Battery

• 2 x EcoFlow DELTA Pro Ultra X Batteries
• 1 x EcoFlow Battery Connection Cable
• 1 x User Manual
• 1 x Warranty Card

Smart Home Gateway

• 1 x EcoFlow Smart Gateway
• 1 x EcoFlow Smart Inlet Box (for Smart Home Panel 2 upgrade)
• 1 x EcoFlow Smart Inlet Box Connection Cable (5P8 Port to 5P8 Port)
• 1 x Mark-Off Template
• 1 x Warranty Card

Smart Home Panel 3

• 1 × EcoFlow Smart Home Panel 3
• 1 × EcoFlow Smart Inlet Box
• 1 × EcoFlow Smart Inlet Box Connection Cable (5P8 Port to 5P8 Port)
• 1 × Mark-Off Template (for installation)
• 1 × Warranty Card

Frequently-Asked Questions

What are the specifications of the AC output ports of the DELTA Pro Ultra X?

The AC output ports and specifications of the DELTA Pro Ultra X are as follows:

• Front: NEMA 5 - 20 interface (120V 20A)
• L14 - 30 interface (120V/240V 30A)
• 14 - 50 interface (120V/240V 50A)
• Right side: 5 + 8 input/output interface (120V/240V 50A)

What are the specifications of the DC input ports of the DELTA Pro Ultra X? Are there any DC output ports?

DELTA Pro Ultra X are as follows:

High-PV input port: 80-500V//15A per interface, with a total maximum input of 10000W.

There is no DC output port.

How many battery packs can the DELTA Pro Ultra X connect to at most?

The DELTA Pro Ultra X supports the parallel connection of up to 10 battery packs (with a single battery pack capacity of 6144kWh).

What is the UPS switching time of the DELTA Pro Ultra X?

The UPS switching time of the DELTA Pro Ultra X is divided into two scenarios:

1. When the DELTA Pro Ultra X operates independently: Power outage time < 10ms.
2. When the DELTA Pro Ultra X operates in combination with the EcoFlow Smart Home Panel 3 (32 Circuits) or the Smart Gateway, the power outage switching time < 20ms.

Can I connect DELTA Pro Ultra batteries to the DELTA Pro Ultra X?

When connecting old batteries (with SN starting with Y712) to the DELTA Pro Ultra X, the following points must be followed:Only connect the old batteries to the rightmost Battery Port (the one farthest from the Power In/Out Port) for upgrading. Do not connect any batteries to the middle Battery Port to avoid abnormalities.Do not unplug the parallel connection cable during the upgrade process until the upgrade indicator on the screen disappears and the device restarts.

Which EcoFlow products is the DELTA Pro Ultra X compatible with?

DELTA Pro Ultra X is compatible with the following products (some require additional accessories):

• Third-party devices: 3 - 7.2kW/12kW generators, charging piles, EV charging guns
• EcoFlow products: EcoFlow Smart Home Panel 3 (32 Circuits) or Smart Gateway intelligent distribution box.

What are the core upgrades of the DELTA Pro Ultra X compared to the previous generation of DELTA Pro Ultra?

The total output power is increased from 7200W to 12000W;The maximum number of connectable battery packs is increased from 5 to 10;The maximum total PV input power is increased from 5600W to 10000W.

How about the solar charging capacity of the DELTA Pro Ultra X?

Supports two-way high-voltage PV inputs, with a voltage range of 80 - 500V for each way, a maximum working current of 15A per way, and a total power of up to 10,000W;The photovoltaic interface needs to be connected to the EcoFlow PV Switch Box (standard configuration).

Does the DELTA Pro Ultra X require a specific way to connect the battery packs to achieve an output power of 12KW?

Batteries need to be connected to both power-on pack ports on the Inverter. Additionally, it is recommended that the number of battery packs connected to the two ports be the same; if the number of battery packs connected to the two ports is inconsistent, the output power may not reach 12KW.

Can the DELTA Pro Ultra X output power in bypass mode when powered through the standard AC charging cable?

Yes, it's possible. The specification of the standard charging cable (EcoFlow AC Charging Cable (NEMA 5 - 15P to 5P8 Port)) is 15A, 120V. When charging with this cable, you can simultaneously output and carry a load from the front panel.

Can the DELTA Pro Ultra X change the power frequency to switch between 50Hz and 60Hz?

The frequency cannot be adjusted, and the default frequency is 60HZ. In bypass mode, the output frequency of the device is determined by the frequency of the input mains power (for example, if the mains power input is 60Hz, the output will be 60Hz; if the input is 50Hz, the output will be 50Hz).

Does the DELTA Pro Ultra X support charging by third-party generators?

Supported. There are two connection methods. You can directly connect to the Power in/out port via the accessory EcoFlow Generator Charging Adapter, or connect to the PV port through the EcoFlow FlowMaster Generator Rectifier [optional].

How to reset the Bluetooth connection of the DELTA Pro Ultra X?

When the device is turned off, press and hold the power button until the screen lights up, and then continue to hold it for about 5 seconds. When you hear the device beep twice in succession or see the device screen go off and then light up again, it indicates that the reset is successful.

Does the DELTA Pro Ultra X support grid connection?

It is not supported. The DELTA Pro Ultra X only draws power from the grid and will not actively transmit power back to the grid.

EcoFlow DELTA Pro Ultra X Manual