EcoFlow DELTA Pro Ultra Inverter (6900W)

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.

6900W AC output – runs major appliances and tools with ease

≤20ms UPS – near-instant switchover for sensitive devices

Expandable up to 30kWh with DELTA Pro Ultra batteries

Flexible I/O – AC, DC (Anderson 12.6V/30A), USB-A (2×12W), USB-C (2×100W)

Solar-ready – HPV 80–450V/15A/4000W max or LPV 30–150V/15A/1600W max

EV charging supported via EcoFlow PowerPulse EV Charger (7.4kW)

Ultra-quiet – ≤30 dB under light load

Smart control – Wi-Fi & Bluetooth with the EcoFlow App

Built-in protection – over/under-temp, over-charge, over-discharge, overload, short-circuit, over-current

IP54 enclosure

Specs:

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

Bypass: 220-240V 50/60Hz 2900W, 12.5A(×5) 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

Note: Modular design – inverter sold separately, requires DELTA Pro Ultra batteries for use.