Power through outages, off-grid adventures, or rising energy costs with the EcoFlow DELTA 3 Ultra Plus—a next-gen, high-capacity portable power station built for serious backup and long-term reliability. With 3,072Wh capacity, expandable up to 11kWh, and 3,600W output (7,200W surge), this unit delivers unmatched versatility and peace of mind.
Key Features & Benefits
-
Smart Output Priority – Use the app to choose which circuits stay powered, extending runtime when it matters most.
-
Massive 3,072Wh Capacity – Expandable up to 11kWh with extra batteries or Smart Generator for multi-day power.
-
OASIS 3.0 Smart App – Real-time monitoring, remote control, scheduled tasks & Storm Guard Mode for auto backup.
-
3,600W Output (7,200W Surge) – Run power-hungry devices like dryers, fridges, or electric stoves with ease.
-
6 Fast Charging Methods – Wall, solar, generator, alternator, dual (solar+gen), or solar+alternator – ready in as little as 48 minutes.
-
Automotive-Grade LFP Batteries – 10-year lifespan, CTC structure, advanced BMS, Class B certified.
-
Easy Home Integration – Connect via inlet box or manual transfer switch for seamless backup power.
-
Ultra-Quiet (25dB) – Quiet, stepless fan control ensures silent operation even under load.
-
Built to Withstand It All – Designed for extreme cold, heat, humidity, and mobile use.
-
5-Year Warranty – Includes 3-year base + 2-year extension via EcoFlow app
Ecoflow DELTA 3 ULTRA Series Key Differences

User Manual / Documents:
Power through outages, off-grid adventures, or rising energy costs with the EcoFlow DELTA 3 Ultra Plus—a next-gen, high-capacity portable power station built for serious backup and long-term reliability. With 3,072Wh capacity, expandable up to 11kWh, and 3,600W output (7,200W surge), this unit delivers unmatched versatility and peace of mind.
Key Features & Benefits
-
Smart Output Priority – Use the app to choose which circuits stay powered, extending runtime when it matters most.
-
Massive 3,072Wh Capacity – Expandable up to 11kWh with extra batteries or Smart Generator for multi-day power.
-
OASIS 3.0 Smart App – Real-time monitoring, remote control, scheduled tasks & Storm Guard Mode for auto backup.
-
3,600W Output (7,200W Surge) – Run power-hungry devices like dryers, fridges, or electric stoves with ease.
-
6 Fast Charging Methods – Wall, solar, generator, alternator, dual (solar+gen), or solar+alternator – ready in as little as 48 minutes.
-
Automotive-Grade LFP Batteries – 10-year lifespan, CTC structure, advanced BMS, Class B certified.
-
Easy Home Integration – Connect via inlet box or manual transfer switch for seamless backup power.
-
Ultra-Quiet (25dB) – Quiet, stepless fan control ensures silent operation even under load.
-
Built to Withstand It All – Designed for extreme cold, heat, humidity, and mobile use.
-
5-Year Warranty – Includes 3-year base + 2-year extension via EcoFlow app
Ecoflow DELTA 3 ULTRA Series Key Differences

User Manual / Documents:
EcoFlow DELTA 3 Ultra Plus – 3,072Wh / 3,600W Portable Power Station + Smart Output Priority Tech | Expandable to 11kWh | 5-Year Warranty | Complete Solar Kit
- Regular price
- $2,249.24
- Sale price
- $2,249.24
- Regular price
-
$2,569.09
No obligation — get a custom quote in minutes
Lifetime Support on Every Order, Guaranteed.
Testimonials
50,000+ Happy Customers
Join thousands of happy customers who made the switch to solar.
"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
"Amazing experience from start to finish. The team was incredibly helpful and the system is performing beyond expectations. Couldn't be happier with our decision."
"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"
"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."
"We compared prices everywhere and this was by far the best deal. The quality of the panels is top-notch and installation guidance was superb."
"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."
"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"
Order With Confidence
Frequently Asked Questions
Find the answers to some of the most common questions customers have before placing their order.
Yes. Our team can help you choose the right solar kit based on your goals, power needs, and location. We provide personalized guidance before and after your purchase at no additional cost.
Many of our customers complete the majority of installation themselves using our diagrams and support resources. For final electrical connections, a licensed electrician may be required depending on local codes.
While we do not directly install systems, we can help connect you with qualified local professionals and provide technical documentation to support your installer.
We stand behind our products. If you have specific questions about returns, eligibility, or specific product conditions, you can learn more in our help center linked below.
All components are backed by manufacturer warranties. In addition, our team provides free lifetime technical support to assist you throughout the life of your system.
Yes! We offer a variety of flexible payment plans to fit any budget. Options include monthly financing with competitive interest rates, and some plans require no money down. Apply during checkout and get approved in minutes.
If you're ready to place your order, you can go ahead and checkout online right now. If you have questions, our friendly team of solar experts are happy to assist and can take your order over the phone. If you're interested in financing, you will find the application at checkout online. So whatever is best for you, we are happy to accommodate.
Our team works hard to process all orders within 24-48 hours. Most products ship directly to your door using the quickest, most cost effective ground shipping services depending on size. You’ll receive tracking details and delivery coordination as soon as your order ships. Our average shipping times are anywhere from 3-7 days.
You’ll have direct access to our support team via phone, email, and chat. Whether it’s setup guidance or troubleshooting years down the road, we’re here to help.
Flexible Payment Options
Buy Now, Pay Later
We offer a wide variety of payment plan options to meet each customer's needs.
Quick & Easy Application
Fill out a short application and we'll match you with multiple payment plan options instantly.
Poor Credit or No Credit?
Don't sweat it. We welcome all credit scores and a credit score is not required for approval.
No Money Down Today
Some payment plans offer as little as no money down, if you qualify.*
