How long can the Goal Zero Yeti Pro 4000 run a Gas furnace blower?
16.2 hours
Formula: (4kWh × 0.85 inverter efficiency) ÷ 5.04 kWh/day = 16.2 hours. At continuous 600 W draw (no duty cycle), about 5.7 hours.
Appliance
Gas furnace blower · 600 W / 1500 W surge
Battery (base)
4kWh · 3.6kW / 7.2kW surge
Runtime Quick-Check
Runtime Quick-Check
Pick a battery and an appliance — see days of runtime after the 0.85 inverter derate.
16.2 hours
Formula: (3993 Wh × 0.85) ÷ 5.04 kWh/day = 16.2 hours. Continuous draw ≈ 5.7 hours at full load.
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