DELTA Pro 3 › runs › Oxygen Concentrator

Can an EcoFlow DELTA Pro 3 run an oxygen concentrator?

Yes — the EcoFlow DELTA Pro 3 runs an oxygen concentrator.
The oxygen concentrator draws about 350 W running, with a 600 W startup surge; the DELTA Pro 3 delivers 4,000 W continuous and 8,000 W surge. Its 4,096 Wh battery runs one for about 11 h.

350 WOxygen Concentrator running

4,000 WDELTA Pro 3 continuous

~11 hruntime

4,096 WhDELTA Pro 3 capacity

Check the DELTA Pro 3 at EcoFlow → Full specs

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The check
Continuous: 4,000 W ≥ 350 W needed → ok
Surge: 8,000 W ≥ 600 W needed → ok
Runtime: 4,096 Wh × 90% ÷ 350 W avg = ~11 h

Bigger units that run it longer

677 Wh · 1,000 W cont

768 Wh · 1,000 W cont

~2.0 h

Anker SOLIX C800

768 Wh · 1,200 W cont

~2.0 h

Goal Zero Yeti 1000 Core

983 Wh · 1,200 W cont

~2.5 h

Common questions

Can the EcoFlow DELTA Pro 3 run an oxygen concentrator?

Yes. An oxygen concentrator draws about 350 W with a 600 W startup surge, and the EcoFlow DELTA Pro 3 delivers 4,000 W continuously with a 8,000 W surge rating — comfortably enough. On its 4,096 Wh battery it runs one for roughly 11 h.

Sources: Oxygen Concentrator wattage — Standard appliance-wattage / generator-sizing charts (representative values; verify your nameplate); DELTA Pro 3 specs — manufacturer published specifications (compiled 2026-06-15; approximate). Informational only — a computed sizing estimate from published appliance-wattage charts and manufacturer station specs. It is not an electrical guarantee. For hardwired or whole-home backup, transfer switches, or any permanent install, consult a licensed electrician.