How long can the EcoFlow DELTA Pro Ultra run a Electric dryer?

21.8 hours

Formula: (6.1kWh × 0.85 inverter efficiency) ÷ 5.76 kWh/day = 21.8 hours. At continuous 3000 W draw (no duty cycle), about 1.7 hours.

What if you add a battery? The + Extra Battery config jumps to 12.3kWh — roughly 1.8 days on a Electric dryer.

Appliance

Electric dryer · 3000 W / 3500 W surge · 240V

Battery (base)

6.1kWh · 7.2kW / 10.8kW surge

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Runtime Quick-Check

Pick a battery and an appliance — see days of runtime after the 0.85 inverter derate.

BatteryApplianceQuantity

21.8 hours

Formula: (6144 Wh × 0.85) ÷ 5.76 kWh/day = 21.8 hours. Continuous draw ≈ 1.7 hours at full load.

Running more than one device?