How long can the Bluetti FridgePower run a Oxygen concentrator?
4.9 hours
Formula: (2kWh × 0.85 inverter efficiency) ÷ 8.4 kWh/day = 4.9 hours. At continuous 350 W draw (no duty cycle), about 4.9 hours.
What if you add a battery? The + BlueCell 200 config jumps to 4kWh — roughly 9.8 hours on a Oxygen concentrator.
Appliance
Oxygen concentrator · 350 W / 600 W surge
Battery (base)
2kWh · 1.8kW / 3.6kW surge
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Runtime Quick-Check
Runtime Quick-Check
Pick a battery and an appliance — see days of runtime after the 0.85 inverter derate.
4.9 hours
Formula: (2016 Wh × 0.85) ÷ 8.4 kWh/day = 4.9 hours. Continuous draw ≈ 4.9 hours at full load.
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