ECOFLOW
Ecoflow DELTA Pro Ultra X Inverter
Ecoflow DELTA Pro Ultra X Inverter
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Ecoflow DELTA Pro Ultra X Inverter
SKU: EFDELTAPROUX-US
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 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) |
