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 6.9kW of output per inverter (can be paired with 1-5 batteries), and flexible charging from solar, generator or mains, it's built to keep your business running smoothly and your lifestyle powered wherever you are. Note: the base price below includes one inverter and one battery. Why Choose the DELTA Pro Ultra? 6.9kW output per unit for heavy-duty loads like professional lighting, mobile workshops, or a power shower! Start at 6kWh and expand to 30kWh with 1-5 stackable batteries Solar input: up to 5.6kW: stay independent from the grid Compatible with 3 - 12kW 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. 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 30kWh. Each inverter delivers 6.9kW and can be paired with 1-5 batteries (6-30kWh). Smart Features & Power Inputs Feature Details Solar Power Stays Active Continues to supply power during outages. Generator Compatibility Works with or 3kW+ generators. EV Chargepoint Charging 7200W via EcoFlow EV X-Stream adapter. AI Power Plans Smart power allocation extends runtime. Full Technical Specifications Module Functions Specs General Net weight Inverter: 32.1 kg (70.8 lbs), Battery: 52.7 kg (116.4 lbs) 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, over-discharge, overcharge, overload, short-circuit, over-current Hybrid Inverter AC output: UK: 230V 50Hz 6900W, 4 x 13A UK mains sockets, 1 x 30A Commando socket [same format as 32A Commando/CEE socket but provides output up to 30A); 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 (with compatible input source) UK mains charging via standard domestic/office socket UK: 220–240V~12.5A 50/60Hz Protection function Surge and lightning protection High voltage PV input 80 - 450V, 15A, 4kW Max Low voltage PV input 30 - 150V, 15A, 1.6kW Max Parallel operation Not supported Grid connection Not supported Smart Home Panel Not currently available/supported in the UK 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
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