EcoFlow DELTA Pro Ultra
EcoFlow's most capable portable power system yet. Whether you're running a mobile workshop, film set, catering trailer or off-grid cabin, this system delivers serious off-grid energy. With 6kWh to 90kWh of battery storage, up to 21.6kW of output, and flexible charging from solar, generator or mains, it's built to keep your business running smoothly and your lifestyle powered wherever you are.

Why Choose the DELTA Pro Ultra?
- 7.2kW output per unit, scalable to 21.6kW for heavy-duty loads like professional lighting, mobile workshops, or a power shower!
- Start at 6kWh and expand to 90kWh with 15 stackable batteries
- Solar input: 5.6kW to 16.8kW: stay independent from the grid
- Compatible with 3–12kW petrol generators for uninterrupted power
- Optional trolley to move at your worksite, in an off-grid workshop or home
Built for Safety and Reliability
- Top-spec LFP battery handles extreme conditions, from freezing mornings to long days of heavy use
- Built-in self-heating and advanced cooling for reliable performance in any environment
- Smart charge balancing helps maintain system health and extend runtime
- Backed by a 5-year warranty for dependable, long-term use in mobile and off-grid settings
Turn Sunlight and Off-Peak Power into Savings
Whether you're at home or running a business, DELTA Pro Ultra helps cut your energy costs. It takes power from your rooftop solar and cheaper night-time electricity, handling up to 16.8kW of input. Built-in smart timers automatically switch between power sources to make the most of off-peak rates and solar generation.
Stackable Design for Every Business or Home
Begin with a 6kWh battery and scale to 90kWh. Each inverter delivers 7.2kW, and up to 3 can be connected for 21.6kW output using Smart Home Panel 2 (when available).
Smart Features & Power Inputs
Feature | Details |
---|---|
Solar Power Stays Active | Continues to supply power during outages. |
Generator Compatibility | Works with EcoFlow 4000 Dual Fuel or 3kW+ generators. |
EV Charging | 7200W via EcoFlow EV X-Stream adapter. |
AI Power Plans | Smart power allocation extends runtime. |
3 Home Connection Methods
Connection Type | Unit Support | Capacity | Voltage/Amps | Solar Input |
---|---|---|---|---|
Smart Home Panel 2 (when available) | 1–3 | 6–90kWh | 7200W/30A–21600W/90A | 5.6–16.8kW |
Manual Transfer Switch | 1–2 | 6–60kWh | 7200W/30A–12000W/50A | 5.6–11.2kW |
Standard AC input | 1–2 | 6–60kWh | 7200W/30A–12000W/50A | 5.6–11.2kW |
Full Technical Specifications
Module | Functions | Specs |
---|---|---|
General | Net weight | Inverter: 32.1 kg (70.8 lb), Battery: 52.7 kg (116.4 lb) |
Dimensions | Inverter: 690 × 481 × 214 mm, Battery: 660 × 455 × 204 mm | |
Rated capacity | 6144Wh × 1 - 5 batteries | |
Wi-Fi | Supported | |
Bluetooth | Supported | |
Screen display | Supported | |
Grid connection | Not supported | |
Standby power consumption | <12W | |
Operating altitude | ≤3000 m (performance derated above 2000 m) | |
Warranty | 5 Years | |
Temperature range | Discharging: −20°C to 45°C, Charging: −20°C to 45°C, Storage: −20°C to 45°C | |
Protection rating | IP54 | |
Noise level | <=30 dB (under 25°C discharge conditions) | |
Battery | Battery pack | 6144Wh, 102.4V, 32S3P |
Battery chemistry | LFP | |
Cell specification | 20Ah, 3.2V | |
Cell efficiency | ≥95% under full AC load | |
Temperature range | Charging: −20°C to 45°C (self-heating below 0°C), Discharging: −20°C to 45°C | |
Battery heating | Supported, operable at −20°C | |
Battery balancing | Control via app per battery pack | |
Certification | CE, UKCA, RCM | |
Protection types | Over-temp, low-temp, overdischarge, overcharge, overload, short-circuit, over-current | |
Inverter | Discharging power | EU: 230V 50Hz 6900W, 16A×4 ports, 30A×1 port; UK: 230V 50Hz 6900W, 13A×4 ports, 30A×1 port; AU: 230V 50Hz 6900W, 15A×5 ports |
X-Boost | Not supported | |
UPS | ≤20 ms | |
AC standby consumption | <45W | |
AC output efficiency at 100W | 70% | |
Max AC discharge efficiency | 94% | |
Charging voltage | 220–240V | |
AC input power adjustment | Supported | |
AC charging method | AC input, 5+8 connector | |
AC charging power | 220–240V~30A 50/60Hz 6900W Max | |
C20 charging | UK: 220–240V~12.5A 50/60Hz | |
Protection function | Surge and lightning protection | |
High voltage PV | 80–450V, 15A, 4kW Max | |
Low voltage PV | 30–150V, 15A, 1.6kW Max | |
Parallel operation | Not supported | |
Grid connection | Not supported | |
Smart Home Panel 2 | Not supported | |
EV charging | Supported via EcoFlow PowerPulse EV Charger (7.4kW) | |
USB-A × 2 | 5V, 2.4A, 12W each | |
USB-C × 2 | 5/9/12/15/20V, 5A, 100W each | |
Anderson × 1 | 12.6V, 30A, 378W Max |