Ecoflow DELTA Pro Ultra X Inverter
Ecoflow DELTA Pro Ultra X Inverter
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Ecoflow DELTA Pro Ultra X Inverter
Experience next-generation home and off-grid power with the EcoFlow DELTA Pro Ultra X Inverter — a high-performance hybrid inverter designed for residential, commercial, and emergency backup systems. Delivering 12kW of AC output, scalable to 36kW with 3 units, this all-in-one powerhouse combines smart energy management, UPS functionality, and modular expandability.
Built with advanced LFP (LiFePO₄) chemistry and high-efficiency conversion, DELTA Pro Ultra X ensures long-lasting performance, seamless backup transitions, and reliable integration with EcoFlow smart accessories.
EcoFlow DELTA Pro Ultra X Inverter Features
Massive Power Output – Delivers 12kW of 120/240V AC power, scalable up to 36kW with three parallel inverters. Perfect for whole-home backup, high-demand appliances, and professional off-grid systems.
Smart Modular Expansion – Supports up to 61.4kWh storage with ten connected batteries or 184.32kWh with multiple inverters, giving complete flexibility for homes, RVs, or commercial setups.
Seamless UPS Function – Automatically transfers to battery power in under 10ms, ensuring uninterrupted operation for sensitive electronics and essential systems.
Durable LFP Chemistry – Built with LiFePO₄ battery technology for superior safety, long cycle life, and stable performance across thousands of charge cycles.
Intelligent System Control – Features a built-in display, smart monitoring through the EcoFlow app, and compatibility with the Smart Home Panel 3 for full grid-to-solar-to-battery automation.
EcoFlow DELTA Pro Ultra X Inverter Applications
- Whole-home backup – Reliable energy during outages with scalable storage.
- Off-grid systems – Designed for cabins, mobile homes, and remote installations.
- Commercial power management – Supports light industrial loads and mission-critical applications.
- RV and van systems – Ideal for extended travel or professional mobile setups.
What’s Included
Everything you need is included with your product.
- 1 x Ecoflow Delta Pro Ultra X Inverter
- 1 x Ecoflow PV Switch Box
- 1 x Ecoflow Charging Cable
- 1 x Ecoflow Battery Connection Cable (2.465ft)
- 1 x Ecoflow Delta Pro Ultra / Ultra X Portable Stand
- 4 x Ecoflow Side Mount Caster
- 1 x Ecoflow Solar Panel MC4 Disconnect Tool
- 1 x User Manual & Warranty Card
Warranty
- 5 years Warranty
EcoFlow DELTA Pro Ultra X Inverter Specifications
| Specification | Details |
| Standard Capacity | 12.288kWh, 6144Wh x 2 |
| AC Output | 12kW, 120/240V, 60Hz | Up to 36kW in 3 parallel units |
| Net Weight (lb) | Inverter: 34.5±0.2kg（70.06±0.44 lb) | Battery: 50.5±0.2kg（111.3±0.44 lb） |
| Battery Chemistry | LFP |
| Screen | ✓ |
| AC Outlets | NEMA 5-20 (x2) 120V 20A | NEMA L14-30 (x1) 120/240V 30A | NEMA 14-50 (x1) 120/240V 50A |
| Rated AC Input Power | 12kW,100/200-120/240V, 50A |
| Noise Level | Noise level <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output) |
| Battery Temperature | Operating&Storage temp: −4°F to 113°F (−20°C to 45°C) |
| Maximum Capacity with 1 inverter | 61.440kWh, 6144Wh x 10 |
| Maximum Capacity with 3 inverters | 184.32kWh, 6144Wh x 30 |
| Dimension (mm) | Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.) | Battery：660 × 455 × 204 mm (26 × 18 × 8 in.) |
| Warranty | 5 years |
| Extra Battery | ✓ |
| UPS | <10ms standalone, <20ms with Smart Home Panel 3 |
| DC Input | Total 10kW, 2 ports | 80-500V/15A, 5000W Max Each |
| IP Rating | IP54 |
| Inverter Temperature | Operating&Storage temp: −4°F to 122°F (−20°C to 50°C) |
Frequently Asked Questions
Can I expand my system for higher capacity?
Yes. You can connect up to 10 batteries per inverter and 3 inverters in parallel, supporting a total of 184.32kWh capacity.
Is the DELTA Pro Ultra X compatible with solar panels?
Yes. It supports a DC input of 80–500V/15A (5000W max each port) for direct solar charging.
Does it work with the EcoFlow Smart Home Panel 3?
Absolutely — it integrates seamlessly for automatic transfer between grid, battery, and solar sources.
What’s the UPS transfer time?
The DELTA Pro Ultra X delivers <10ms UPS switching, fast enough for computers and appliances to remain uninterrupted.
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30-DAY RETURNS
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2–3 YEAR WARRANTY
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Testimonials
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EXTRA STORAGE, FINALLY
The garden shed was straightforward to assemble and feels solid and secure. It gives us plenty of room for tools and lawn equipment while keeping our backyard neat and organized. -
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OUR NEW FAVORITE GATHERING SPOT
The gazebo transformed an empty part of our yard into a comfortable place to relax. It provides excellent shade, feels sturdy, and has become our favorite spot for outdoor gatherings. -
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A GREAT BACKYARD UPGRADE
The swing set was easy to assemble and quickly became a family favorite. The structure feels durable, looks great in our yard, and keeps the children entertained for hours.
