Engineered to Outperform

EcoFlow DELTA Pro Ultra

EcoFlow's Most Powerful Off-Grid Energy Solution*

DELTA Pro Ultra (Inverter + Battery) has the highest output and capacity of any EcoFlow portable power station to date. As well as offering colossal energy storage and a flexible design that fits your power needs, DELTA Pro Ultra embraces solar to ensure your essentials, even the entire home, run smoothly in weeks of uninterrupted power.

Daily Use

Solar Storage

Backup

Industry & Commercial

Enjoy powerful energy that adapts to your daily life - charge your EV, run your kitchen, entertain on your terrace — all from one system.

* DELTA Pro Ultra has the highest capacity and output power of current EcoFlow Portable Power Stations.

Get the highlights.

6-30kWh Expandable Capacity

Up to 6900W Output Covers All Your Appliances

Fast-charges to 80% in 1 Hour

5600W Solar Input

AI Energy Management

Easy Installation

Portable with DELTA Pro Ultra Trolley

20 ms UPS and 0 dB under 2000W

10-year Lifespan and 5-year Warranty

Powerful Enough for All Your Needs

One 6kWh battery

Expands All the Way Up to 30kWh with 5 Stackable Units

Plug-and-Play to Grow Your Power for Weeks of Usage*

Take home power dependability to another level with up to 30kWh battery capacity. For a standard household, that's weeks of essential backup power to keep lights and appliances, like your fridge, running strong (time may vary). Stackable and space-saving, it packs comfortably into a garage or utility cupboard.

* Backup time depends on the appliances used

One 6900W Unit Easily Covers all Your Appliances

With a 6900W output, EcoFlow DELTA Pro Ultra effortlessly runs even energy-hungry household items, even an EV charger. With X-Fusion, it guarantees a total 6900W output even during charging.

How DELTA Pro Ultra Works For You

Multiple Area Uses

Whole-Home Use

Off-Grid House

Industrial & Commercial Use

Charge via solar panels in the daytime and charge an EV at night Power your utility room using stored energy

5 Ways to Quickly Refill So You're Always in Charge

You're spoilt for choice with EcoFlow DELTA Pro Ultra's charging options. As well as all our usual methods, like solar and the grid, you can now power up using a gas generator or even your EV charging pile. With the industry's fastest charging speeds of 8800W, top up two batteries in only 2 hours.

Grid
Solar
EV Charging Pile
Generator
Multi-charge

24/7 Manage Your Energy with a Tap With EcoFlow OASIS

Remote Control

Manage your devices from anywhere

Energy Monitor

24/7 real-time data tracking, or review past data to optimize savings and reduce waste.

Backup Reserve

Set a battery backup threshold, and the system will automatically allocate battery capacity for backup and power scheduling to prepare for potential outages.

Self-Powered Mode

Charge the battery using only surplus solar. If solar alone can not power your home, the battery will discharge.

Learn More About OASIS

Build Your Own Energy System

Single Load or Area

Solar Panels + DELTA Pro Ultra

Washer
Dryer
EV - compatible with third-party charging piles

Multiple Loads or Areas

Solar Panels + Manual Transfer Switch + DELTA Pro Ultra

Utility Room
Kitchen
Living Room

Already Have a Manual Transfer Switch?

The MTS compatible with DELTA Pro Ultra must have a rated operational current greater than 40A.

*The setup requires a licensed electrician or a qualified professional.

Instruction Leaflet

Take With You Anywhere*

With the trolley, take DELTA Pro Ultra with you, whether you are going outside or moving to a new place.

*Portability refers to single-battery setups only. Multi-battery configurations are designed for stationary use.

Online 20 ms UPS, 0 dB under 2000W

Backup You Won't Even Notice

With EcoFlow DELTA Pro Ultra's online UPS, you'll barely notice an outage. EcoFlow DELTA Pro Ultra safeguards your vulnerable electronic equipment round-the-clock, running at a whisper-quiet 0 dB, so you can work from home or sleep peacefully.*

* For low draws under 2000W

Safe and Reliable Home Power

Peace of mind with an advanced design

EcoFlow X-Cooling
With its flexible plug-and-play design and unrivalled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.
11 premium sintered heat pipes
6 dedicated fans
Customised aluminium board
Vertical cooling fins
Boost Performance with BMS
Our state-of-the-art LFP tech and advanced battery management system (BMS) regulates vital data, ensuring the safety, longevity, and high performance of EcoFlow DELTA Pro Ultra. With each battery offering a cycle life of 3500+, you'll get years of use before capacity drops to 80%. Even then, it keeps powering on.

Inverter
Battery

Powers Through the Most Challenging Situations

EcoFlow DELTA Pro Ultra tackles even the most gruelling conditions. Whether it's extreme weather or freezing winters, this giant safeguards your power security, just like usual.

Operating temperatures: -4°F to 113°F
290V high voltage tolerance
IP54 dustproof and splashproof