DELTA Pro Ultra X scales from 12 to 36kW. With a new Adaptive Start algorithm, it intelligently identifies connected appliances and tailors startup for each, seamlessly handling surges up to 45kW and high-demand appliances like a 5-ton AC.
EcoFlow DELTA Pro Ultra X Whole-Home Backup Power
- 100% Whole-Home Power Station: Delivers 12–36kW output and 12–180kWh capacity.
- Plug & play design, installed in 7 days. Save up to 80% on time and cost.
- Smart & reliable when it matters most, 20ms auto switchover.
- Save up to $6000/year, 3-year ROI.
- End-to-end system protection, the highest safety standards.
*12kW/12kWh based on standard bundle (1 × EcoFlow DELTA Pro Ultra X Inverter + 2 × Smart Extra Batteries). Max 36 kW / 180 kWh with expansion. Actual performance varies by configuration.
EcoFlow DELTA Pro Ultra X
Whole-Home Power. Unbound.
12–36kW Output
High Power. High IQ.
Installed in 7 Days
The wide-body inverter and battery are a stand-alone, off-grid unit—no wall mounting required. Its flexible design allows for faster, simpler approval than grid-tied systems. The exclusive quick-connect makes plug-and-play with the Smart Home Panel 3 or Smart Gateway effortless.
EcoFlow DELTA Pro Ultra X Whole-Home Backup Power
Sale price$7,999.00
Frequently Asked Questions
Do you offer free shipping?
Yes, we offer free shipping on all orders across the continental US.
How do I know which product is right for me?
Our collection pages include helpful guides and specs. Still unsure? Reach out to our expert support team for help.
Do your products work with smart home systems like Alexa or Google Home?
Many of our products are compatible with major smart home ecosystems. Check the product page for specific integrations.
Do you price match?
Yes, we offer a Price Match Guarantee. If you find the same item for less elsewhere, let us know and we’ll match it.
Reviews
– Daniel R.
Perfect Power Solution for Outdoor & Home Use
We were looking for a reliable and eco-friendly power station, and this one exceeded our expectations. It runs quietly, charges fast, and handles all our essential devices without any issues. The build quality feels premium, and it’s extremely easy to use. Perfect for home backup, camping, and outdoor work.
– Melissa T.
Quiet, Powerful & Absolutely Reliable
This power station is a game changer. It’s super quiet, has no fuel smell, and delivers consistent power for our appliances. We’ve used it for several hours straight and it performed flawlessly. Shipping was fast and packaging was secure. Smart Haven Stores delivered exactly what was promised.
– Kevin M.
Excellent Performance & Great Value
We’ve tested this unit for daily use as well as emergencies, and it performs exceptionally well. The battery life is impressive, and the display makes it easy to monitor usage. It’s compact yet powerful, making it ideal for both indoor and outdoor needs. Definitely one of the best purchases we’ve made.