EcoFlow DELTA Pro Ultra Inverter — 6900W Output | ≤20ms UPS
The DELTA Pro Ultra Inverter is the core of EcoFlow’s most advanced home backup system, delivering 6900W AC output, ≤20ms UPS switchover, and support for up to 30kWh when paired with Ultra batteries. Multiple AC/DC/USB ports, ultra-quiet operation, and Wi-Fi/Bluetooth app control make it a powerful, smart hub for whole-home or essential-circuit backup.
Note: Batteries are sold separately and required for operation.
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6900W AC output – runs major appliances and tools with ease
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≤20ms UPS – near-instant switchover for sensitive devices
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Expandable up to 30kWh with DELTA Pro Ultra batteries
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Flexible I/O – AC, DC (Anderson 12.6V/30A), USB-A (2×12W), USB-C (2×100W)
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Solar-ready – HPV 80–450V/15A/4000W max or LPV 30–150V/15A/1600W max
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EV charging supported via EcoFlow PowerPulse EV Charger (7.4kW)
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Ultra-quiet – ≤30 dB under light load
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Smart control – Wi-Fi & Bluetooth with the EcoFlow App
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Built-in protection – over/under-temp, over-charge, over-discharge, overload, short-circuit, over-current
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IP54 enclosure; 5-year warranty
What’s in the box: 1. EcoFlow DELTA Pro Ultra Inverter, 2. EcoFlow Portable Stand, 3. EcoFlow AC Charging Cable – C20, 4. EcoFlow Disassembly and Assembly Tool, 5. EcoFlow Solar to Low-PV Charging Cable, 6. Quick Start Guide and Warranty Card.
| Product | EcoFlow DELTA Pro Ultra Inverter |
| Size | 69.0 cm (L) x 48.1 cm (W) x 21.4 cm (H) |
| Weight | 32.1 Kg |
| UPS | ≤20 ms |
| Maximum Expandable Capacity | 30 KWh (6144 Wh x 5) |
| Output USB | USB-A Output (x2): 5V – 2.4A, 12W per port, 24W Total USB-C Output (x2): 5/9/12/15/20V-5A Max, 100W Max per port, 200W Total |
| Output DC | Anderson Output (x1): 12.6V, 30A, 378W Max |
| Output AC 230 V | Discharge: 230V 50Hz 6900W total, 13A(×4) Max per port, 30A(×1) Max per port |
| Input Ports | AC Charging/Bypass: 220-240V 50/60Hz, 12.5A C20 Charging: 220-240V ~ 50/60Hz, 12.5A Solar Charging: HPV 80-450V, 15A, 4000W Max; LPV 30-150V, 15A, 1600W Max |
| EV Charging | Supported via EcoFlow PowerPulse EV Charger (7.4kW) |
| Waterproof | No, IP54 |
| X-Boost | Parallel Operation | Smart Home Panel 2 | Grid Connection | Not Supported |
| Protection Type | Over-Temperature, Low-Temperature, Over-Discharge, Over-Charge, Overload, Short-Circuit, and Over-Current Protection |
| Temperature Range | Charging：-20~45℃(-4~113℉) Discharging：-20~45℃(-4~113℉) Storage: -20~45℃(-4~113℉) |
| Warranty | 5 Years |
| Noise Level | <=30 dB (Under 25°C discharge conditions) |
| Connectivity | Wi-Fi & Bluetooth |
Modular design – inverter sold separately, requires DELTA Pro Ultra batteries for use.