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EcoFlow Delta Pro Ultra portable power station with free rolling cart included, shown on a transparent background.
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EcoFlow Delta Pro Ultra

£2,199.00
£2,299.00 
You save £100

Split into 3, 6 or 12 monthly payments

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Not sure how much power you need?

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Why Buy From Us?

Best Price Promise - Found it cheaper? We'll beat it

100-Day Returns - Industry-leading refund guarantee

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Free Gift - Comes with free trolley worth £149

Delivery & Returns

We offer free UK delivery, read more in our shipping policy.

We offer 100-day returns, we'll even pay the

 postage. Read more about our refund policy.

Support & Warranty

5 Year Guarantee 
The EcoFlow guarantee covers any defect or damage affecting your DELTA Pro Ultra inverter or extra battery under normal use for five years from the date of purchase. Battery capacity is guaranteed to be maintained to at least 80% throughout that period under standard conditions.

 


 

What’s Included

  • EcoFlow Delta Pro Ultra inverter
  • 6kWh battery pack (optional add-on)
  • Connection cables
  • User manual
  • 5-year warranty
  • Free trolley (worth £149)

Product Overview

The EcoFlow Delta Pro Ultra is a high-capacity, expandable power station built for whole-home backup, off-grid living, and serious energy independence. Starting at 6kWh and expandable up to 30kWh, it delivers 6900W output, fast multi-source charging, and quiet operation - all managed through the EcoFlow app.

EcoFlow Delta Pro Ultra – Whole-Home Power Without Compromise

The EcoFlow Delta Pro Ultra is a high-capacity, expandable power station designed for whole-home backup, off-grid living, and serious energy independence. Whether you're running a house during outages or powering a motorhome setup, it delivers scalable energy, fast charging, and quiet performance in one system.

What’s Included with the EcoFlow Delta Pro Ultra

1× EcoFlow Delta Pro Ultra Inverter

1× 6kWh Battery Pack (optional add-on)

Connection cables

User manual

5-year warranty

Free trolley worth £149

EcoFlow Delta Pro Ultra Features That Power Homes, Vans And Off-Grid Setups

Expandable 6–30kWh Capacity For Days Of Reliable Power

Start with 6kWh and expand up to 30kWh with additional batteries. This gives you the flexibility to run essentials for days, not hours—ideal for home backup or extended off-grid travel.

6900W High Output To Run Demanding Appliances

With a powerful 6900W output, you can run high-demand appliances like kettles, air conditioning units, EV chargers, or workshop tools without compromise.

High Solar Input With Flexible Voltage Range

Supports up to 4000W solar input with a wide voltage range (80–450V high PV / 30–150V low PV). This allows efficient solar charging across different panel setups, making it highly adaptable for off-grid systems
 

Ultra-Fast Charging So You’re Never Without Power

With multiple charging options including AC, solar, EV charging, and generator input, the system can recharge rapidly—keeping downtime to a minimum between uses
 

Smart Energy Monitoring And Control Via App

Monitor usage, track energy input, and optimise performance through the EcoFlow app. This gives you full visibility and control over your energy system wherever you are.

 

Quiet Operation For Comfortable Living Environments

Operating at ≤30dB under typical loads, it runs quietly in the background—ideal for overnight use in homes, campervans, or motorhomes

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EcoFlow Delta Pro Ultra Price And Cost – What To Expect

The EcoFlow Delta Pro Ultra price varies depending on configuration, particularly the number of batteries included.

  • Base system (inverter + 1 battery): entry-level cost
  • Expanded systems (up to 30kWh): significantly higher investment
  • Optional extras: additional batteries, EV charging accessories, solar panels

While the upfront cost is higher than smaller power stations, the scalability and whole-home capability position it as a long-term energy solution rather than a short-term backup

EcoFlow Delta Pro Ultra Extra Battery And 18kWh+ Expansion Explained

The system is built around modular expansion:

  • 1 battery = 6kWh
  • 3 batteries = 18kWh (popular mid-range setup)
  • 5 batteries = 30kWh (maximum capacity)

Adding an EcoFlow Delta Pro Ultra extra battery increases runtime without replacing your existing system—ideal if your energy needs grow over time.

EcoFlow Delta Pro Ultra Warranty For Long-Term Peace Of Mind

The system comes with a 5-year manufacturer warranty, giving reassurance for long-term use in both home and off-grid environments.

CamperNation vs Other Retailers

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100-Day Refund Guarantee

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Free UK Delivery

Who The EcoFlow Delta Pro Ultra Is Best Suited For

This system is ideal for:

  • Homeowners needing reliable backup power
  • Caravan and motorhome users running high-demand appliances
  • Off-grid travellers seeking full energy independence
  • Workshops, mobile businesses, or remote job sites
  • Users comparing systems like EcoFlow Delta Pro 3 and needing more capacity

If your priority is running multiple appliances for long durations, this sits at the top end of portable power solutions.

EcoFlow Delta Pro Ultra Manual And Setup Guidance

The system is designed as a plug-and-play solution, but for full home integration (e.g. via a transfer switch), professional installation is recommended.

Setup typically involves:

  • Connecting the inverter and battery
  • Linking solar or AC input
  • Configuring via the EcoFlow app

EcoFlow Delta Pro Ultra Product Specs

Battery Capacity

6kWh (expandable to 30kWh)

Output Power

6900W

Solar Input Voltage

80–450V (high), 30–150V (low)

Max Solar Input

4000W

AC Input

200–240V

UPS Response Time

<20ms

Noise Level

≤30dB

Operating Temp

-20°C to 45°C

Weight (Inverter)

32.1 kg

Why Hundreds of Caravan Owners Trust CamperNation

Watch: EcoFlow Delta Pro Ultra Setup and Walkthrough

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EcoFlow Delta Pro Ultra  Instructions

EcoFlow Delta Pro Ultra User Manual

Download

Frequently Asked Questions

Is the EcoFlow Delta Pro Ultra suitable for whole-home backup?

Yes—its 6900W output and expandable capacity make it capable of powering most household circuits when configured correctly.

Can it run entirely off solar?

Yes, with sufficient solar input and battery capacity, it can operate fully off-grid.

How does it compare to the EcoFlow Delta Pro 3?

The Delta Pro Ultra offers significantly higher capacity and output, making it better suited for whole-home or heavy-duty applications.

Is it portable?

Single-battery setups can be moved with a trolley, but larger configurations are better suited for semi-permanent installation.

Can I add extra batteries later?

Absolutely. The modular design allows you to expand capacity whenever your power needs increase.

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