EcoFlow Delta Pro 3 vs Ultra: Portable Power Showdown

Jun 15, 2025

Can’t decide between the Delta Pro 3 and the Ultra? Short answer: Pro 3 for max home power, Ultra for portability. These Portable Power Stations aren’t just for blackouts—they’re off-grid heroes. Keep reading to find out which one’ll juice your life best and maybe survive a camping trip with your in-laws.

Let’s dive into the core differences.

EcoFlow Delta Pro 3 vs Ultra : Specification Differences

Power Output and Surge Capacity (Pout, Psurge)

The Delta Pro 3 offers a massive 7200W peak output. It's ideal for heavy-duty appliances or even entire home backup.

The Ultra delivers slightly less peak power but still provides impressive wattage. It’s more than enough for most households or field setups.

EcoFlow Delta Pro 3 portable power station, front-facing with control panel and outlets, on a plain background.

Base Capacity and Maximum Expandability (kWh)

Delta Pro 3 starts with 3600Wh and can scale up to 25kWh. That level of expandability suits users with long-term or high-consumption needs.

The Ultra, with a base of 3000Wh, covers plenty of scenarios but doesn’t match the Pro 3 in maximum expansion.

Solar Input Capabilities (Low vs. High Voltage)

Both units offer solar charging. They support multiple charging methods, including AC and solar, which makes them great for off-grid use.

Exact voltage handling isn’t detailed here, but both integrate well with most solar setups.

EcoFlow Delta Pro 3 paired with four solar panels, positioned as a complete solar generator system, on a plain background.

Physical Footprint and Portability

The Ultra is noticeably more compact. It's easier to transport and manage in small spaces.

The Delta Pro 3 is larger and heavier but still designed to be moved. Both are durable, with user-friendly designs.

Design and Primary Use Case

Delta Pro 3: The Portable Powerhouse

The Delta Pro 3 is designed as a high-output, expandable power station. It’s ideal for people needing dependable energy for large setups—either at home or off-grid.

Its sheer capacity and fast charging make it a strong choice for more demanding environments.

Delta Ultra: The Whole-Home Backup Solution

While slightly smaller, the Ultra is built for reliable home backup. It balances portability and performance nicely.

It integrates well into household systems and can serve as both a backup and travel-friendly unit.

Outlets and Ports: What Can You Plug In?

Both models include multiple output ports—AC, DC, and USB. This flexibility allows you to power everything from a fridge to laptops, tools, and more.

You can run several devices at once, making them highly versatile.

Home Integration and Ecosystem

240V Output Capabilities

The Delta Pro 3 supports 240V output, making it an excellent option for high-demand households.

The Ultra can also handle home systems well but may require checking specific configurations depending on your location and setup.

The Role of the Smart Home Panel 2

Both models are compatible with EcoFlow’s Smart Home Panel 2. This allows seamless integration into your home's power grid and supports smart energy distribution during outages.

It adds serious value if you're building a home energy ecosystem.

UPS Functionality and Transfer Speeds

Each unit includes UPS functionality. That means they kick in almost instantly during a blackout, ensuring minimal disruption.

Transfer speeds are fast enough to keep sensitive devices—like computers—up and running.

EcoFlow Delta Pro 3 power station viewed from above, showcasing sleek design and extended handle, on a plain background.

The Final Verdict: Which EcoFlow is Right for You?

Who Should Choose the Delta Pro 3?

If you need high capacity, lots of expandability, and maximum output, the Delta Pro 3 is the clear winner.

It’s best for users who rely on larger systems, heavy tools, or long-term home backup.

Who Should Invest in the Delta Ultra?

The Ultra is perfect for those looking for a more compact, portable solution. It suits vanlifers, campers, and homes needing reliable but lighter power support.

Its design makes it easier to carry without sacrificing too much performance.

Analysing Price vs. Long-Term Value

The Delta Pro 3 comes at a higher cost but offers much more in terms of expandability and output. For users who need it, that’s a sound investment.

The Ultra is more affordable and still powerful. It offers excellent value for moderate energy demands.

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