DELTA Pro 3

EcoFlow DELTA Pro 3 – 4096Wh Home Backup Power Station

4096Wh EcoFlow DELTA backup with 4000W AC output for demanding essentials.

  • Higher-capacity backup planning
  • Suitable for bigger essential loads
  • Useful for home resilience
  • Expandable system potential
  • For serious backup needs

Serious stored power for longer outages and larger setups.

£2,799.00

Out of stock

UK-Based BusinessManufacturer WarrantyFlexible Ways to PayUK Customer Support
Secure checkout
Quick fit check

Is the DELTA Pro 3 right for you?

Good fit if you want to:

  • Build a larger portable backup setup for serious UK power-cut planning
  • Prioritise fridge freezers, routers, lights, laptops and communications
  • Use higher AC output for suitable demanding appliances
  • Add more stored energy for longer outages and off-grid stays
  • Plan solar-supported backup where compatible panels and conditions allow

Consider another setup if:

  • You only need to charge phones and small USB devices
  • You want the lightest possible portable unit
  • You need a permanently installed whole-home battery system
  • You have not checked appliance wattage, surge demand and runtime priorities
  • You want a small cupboard-friendly unit for casual use only
Practical backup planning

What can it power?

Check your appliances with the Power Calculator

Fridge freezer

Keep chilled food protected during longer interruptions

Estimated 17 hours

Wi-Fi router

Keep broadband equipment running where service remains available

Estimated 145–205 hours

LED lighting

Run key low-wattage lighting for extended periods

Estimated 205 hours

Laptop

Power work, study and admin away from mains

Estimated 59 charges

Phones

Keep family phones charged and reachable

Estimated 373 charges

TV

Run a suitable TV during longer outages

Estimated 38 hours

Runtime is estimated and depends on appliance wattage, battery level, operating mode and real-world conditions.

At a glance

DELTA Pro 3 at a Glance

Capacity4096Wh
AC Output4000W
Solar Input2600W
Battery TypeLFP
Weight51.5kg
A closer look

A Closer Look at the DELTA Pro 3

The DELTA Pro 3 is for customers who want a serious portable backup system rather than a small emergency battery. Its larger capacity and higher output make it better suited to planned essential loads, longer outages and off-grid use where smaller stations would feel limited.

For UK homes, it makes most sense when you have already listed your priority appliances: fridge freezer, broadband router, lights, laptop, phones and selected compatible appliances. It is powerful, but it still needs sensible load planning rather than guesswork.

This is not the lightest or cheapest EcoFlow option. Choose it when capacity, output and backup resilience matter more than portability.

EcoFlow DELTA Pro 3 Portable Power Station side view
Key benefits

Why it works for your setup

Higher-capacity backup planning

Built for users who need more stored energy than compact RIVER models.

Suitable for bigger essential loads

Helps support a wider range of compatible appliances within the product rating.

Useful for home resilience

A stronger option for storms, outages, work-from-home backup and off-grid use.

Expandable system potential

Selected DELTA setups can form part of a larger EcoFlow backup ecosystem.

For serious backup needs

Better suited to heavier usage than small portable power stations.

VoltReady confidence

Why Buy From VoltReady™

UK-Based Business

VoltReady is a UK-based portable-power specialist serving customers across the United Kingdom.

Manufacturer Warranty

Products include manufacturer-backed warranty cover, with the exact terms shown clearly on each product page.

Flexible Ways to Pay

Pay securely by card, Apple Pay, Google Pay, Klarna or Clearpay. Available options depend on your order and eligibility.

UK Customer Support

Get straightforward help before and after your purchase through live chat or email.

Product details

Everything important, clearly organised

Key Features
4,096Wh LiFePO4 battery for larger essential-load backup
4,000W AC output with 8,000W surge output
X-Boost support up to 6,000W for suitable loads
2,600W max solar input across high-voltage and low-voltage PV ports
2 x 100W USB-C outputs plus USB-A, AC and 12V DC outputs
Expandable with up to two compatible EcoFlow extra batteries
Wi-Fi, Bluetooth and CAN connectivity
Technical Specifications
Capacity4,096Wh
Battery ChemistryLFP
Cycle Life4,000 cycles to 80% capacity
AC Output5 outlets, 4,000W max
Surge Output8,000W
X-Boost Output6,000W max for supported devices
USB-C Output2 x 100W max
USB-A Fast Charge2 ports, 18W max
12V DC Output12.6V/30A, 378W total
Solar Input2,600W max
High-voltage PV Input30-150V, 15A, 1,600W max
Low-voltage PV Input11-60V, 20A, 1,000W max
AC Input2,900W max
Car Input12V 8A max or 48V 20A max
ConnectivityWi-Fi 2.4GHz, Bluetooth and CAN
Expandable CapacitySupports up to two DELTA Pro 3 Smart Extra Batteries or DELTA Pro Smart Extra Batteries
Weight51.5kg
Dimensions693 x 341 x 410mm
Weather ResistanceMain unit is IP20; use in dry indoor or sheltered outdoor environments.
Warranty5-Year Warranty
What’s in the Box
EcoFlow DELTA Pro 3 Portable Power Station
EcoFlow AC charging cable
Grip protector
Quick Start Guide
Safety Guide
Warranty Card
FAQs

Is the DELTA Pro 3 suitable for UK power cuts?

Yes, for larger planned backup setups where connected appliances are within its rating. It is better suited to serious home essentials than compact RIVER models.

What can the DELTA Pro 3 realistically power?

It can support selected essentials such as fridge freezers, Wi-Fi equipment, lighting, laptops, phones and suitable appliances. Always check appliance wattage and surge demand.

Is the DELTA Pro 3 easy to move?

It is portable, but at around 51.5kg it is not a small grab-and-go unit. It is best planned as a larger home, garage, workshop or off-grid backup station.

Can it run high-power appliances?

It has a high AC output, but high-heat appliances such as kettles, heaters and ovens can drain battery capacity quickly. Prioritise essential loads first.

Can it be expanded?

Yes. EcoFlow lists support for up to two DELTA Pro 3 Smart Extra Batteries or DELTA Pro Smart Extra Batteries, with firmware requirements for compatibility.

Are runtime estimates guaranteed?

No. Runtime depends on appliance wattage, surge demand, battery level, temperature, operating mode and real-world conditions.

Shipping, Returns & Warranty
Free UK delivery available on qualifying orders.
30-day returns policy for eligible unused items.
5-year EcoFlow manufacturer warranty included, subject to EcoFlow's warranty terms.
Delivery times may vary by product, warehouse and courier availability.