RIVER 2 Max › runs › CPAP with Heated Humidifier

Can an EcoFlow RIVER 2 Max run a cpap with heated humidifier?

Yes — the EcoFlow RIVER 2 Max runs a cpap with heated humidifier.
The cpap with heated humidifier draws about 60 W running, with a 95 W startup surge; the RIVER 2 Max delivers 500 W continuous and 1,000 W surge. Its 512 Wh battery runs one for about 9.6 h.

60 WCPAP with Heated Humidifier running

500 WRIVER 2 Max continuous

~9.6 hruntime

512 WhRIVER 2 Max capacity

Check the RIVER 2 Max at EcoFlow → Full specs

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The check
Continuous: 500 W ≥ 60 W needed → ok
Surge: 1,000 W ≥ 95 W needed → ok
Runtime: 512 Wh × 90% ÷ 48 W avg = ~9.6 h

Bigger units that run it longer

Goal Zero Yeti 200X

187 Wh · 120 W cont

~3.5 h

Jackery Explorer 240 v2

Jackery Explorer 300 Plus

677 Wh · 1,000 W cont

~13 h

Common questions

Can the EcoFlow RIVER 2 Max run a cpap with heated humidifier?

Yes. A cpap with heated humidifier draws about 60 W with a 95 W startup surge, and the EcoFlow RIVER 2 Max delivers 500 W continuously with a 1,000 W surge rating — comfortably enough. On its 512 Wh battery it runs one for roughly 9.6 h (the load cycles ~80% of the time, so it lasts longer than raw watts suggest).

Sources: CPAP with Heated Humidifier wattage — Standard appliance-wattage / generator-sizing charts (representative values; verify your nameplate); RIVER 2 Max 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.