EcoFlow DELTA Pro Ultra
The EcoFlow DELTA Pro Ultra is a modular whole-home backup system starting at 6kWh capacity and scaling up to 90kWh with additional battery packs. A single inverter delivers 7.2kW output, and up to three inverters can run in parallel for 21.6kW—enough to power an entire house including HVAC, well pumps, and EV chargers. UL9540 and UL1973 certified for residential installation. The system features 0ms transfer time (online UPS technology), auto-switchover, and time-of-use energy management. Battery auto-heating handles cold conditions below 32°F. This is EcoFlow's top-of-line residential platform, paired with the Smart Home Panel 2 for whole-home integration. 5 charging methods supported. Weight: about 186.4 lbs.
Base price includes one inverter and one 6kWh battery. Extra batteries ($2,199 each), Smart Home Panel 2, and installation are separate.
~$4,099
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Who is this for?
Whole-Home
Serious whole-home backup including HVAC, appliances, and more
Home Backup
Stay powered during outages — run essentials for hours or days
Full Specifications
Technical Specifications
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Using EcoFlow DELTA Pro Ultra (6.1kWh, 7.2kW output).
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How does the DELTA Pro Ultra compare?
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