EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
    EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer Support
General Overview

Unlock next-level off-grid power with the EcoFlow DELTA Pro Ultra X Inverter—a powerful, scalable solution designed for serious energy independence. Whether you're upgrading your home backup system or building a robust off-grid setup, this inverter delivers exceptional output, seamless switching, and high-efficiency solar input.

Key Features & Benefits:

  • Massive Power Output: Delivers 12,000W continuous output, expandable to 36,000W with up to 3 inverters.

  • High Solar Input Capacity: Accepts up to 10,000W of solar input, scalable to 30,000W across 3 units.

  • Online UPS Functionality: Ultra-fast 10ms transfer time ensures uninterrupted power during outages.

  • Extended Lifespan: Proprietary cooling structure enhances thermal efficiency and reliability.

  • Top-Tier Safety: Built with comprehensive system protection and the industry’s highest safety certifications (including UL).

  • Modular & Scalable: Ideal for growing power needs—easily expand your system with additional inverters.

  • DIY-Ready Integration: Seamlessly pairs with the DELTA Pro Ultra ecosystem for user-friendly setup and control.

User Manual / Documents:

General Overview

Unlock next-level off-grid power with the EcoFlow DELTA Pro Ultra X Inverter—a powerful, scalable solution designed for serious energy independence. Whether you're upgrading your home backup system or building a robust off-grid setup, this inverter delivers exceptional output, seamless switching, and high-efficiency solar input.

Key Features & Benefits:

  • Massive Power Output: Delivers 12,000W continuous output, expandable to 36,000W with up to 3 inverters.

  • High Solar Input Capacity: Accepts up to 10,000W of solar input, scalable to 30,000W across 3 units.

  • Online UPS Functionality: Ultra-fast 10ms transfer time ensures uninterrupted power during outages.

  • Extended Lifespan: Proprietary cooling structure enhances thermal efficiency and reliability.

  • Top-Tier Safety: Built with comprehensive system protection and the industry’s highest safety certifications (including UL).

  • Modular & Scalable: Ideal for growing power needs—easily expand your system with additional inverters.

  • DIY-Ready Integration: Seamlessly pairs with the DELTA Pro Ultra ecosystem for user-friendly setup and control.

User Manual / Documents:

EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified

EcoFlow SKU: EFDELTAPROUX-US
Regular price
$3,799.00
Sale price
$3,799.00
Regular price
$3,999.00
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EcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified - ShopSolar: Complete Solar Kits + Lifetime Customer SupportEcoFlow DELTA PRO [ULTRA-X] Inverter | 12kW–36kW Output | 10ms Online UPS | Scalable to 30kW Solar Input | Advanced Cooling | UL Certified
$3,799.00

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."

J
John D.
Texas, USA
Verified Buyer

"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"

S
Sarah M.
California, USA
Verified Buyer

"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."

M
Mike R.
Florida, USA
Verified Buyer

"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."

E
Emily T.
Arizona, USA
Verified Buyer

"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."

D
David L.
Colorado, USA
Verified Buyer

"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"

L
Lisa K.
Nevada, USA
Verified Buyer

"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."

J
John D.
Texas, USA
Verified Buyer

"The whole process was seamless. From ordering to installation, everything was straightforward. Our electricity bill has dropped significantly!"

S
Sarah M.
California, USA
Verified Buyer

"Best investment we've made for our home. The customer support is outstanding — they walked us through every step of the setup process."

M
Mike R.
Florida, USA
Verified Buyer

"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."

E
Emily T.
Arizona, USA
Verified Buyer

"Great product and even better customer service. They helped us design the perfect system for our needs. Highly recommend to anyone considering solar."

D
David L.
Colorado, USA
Verified Buyer

"From the free proposal to the final install, everything exceeded our expectations. We're producing more energy than we consume most months!"

L
Lisa K.
Nevada, USA
Verified Buyer

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

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We offer a wide variety of payment plan options to meet each customer's needs.

1

Quick & Easy Application

Fill out a short application and we'll match you with multiple payment plan options instantly.

2

Poor Credit or No Credit?

Don't sweat it. We welcome all credit scores and a credit score is not required for approval.

3

No Money Down Today

Some payment plans offer as little as no money down, if you qualify.*

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