Yeti PRO 4000 › runs › CPAP Machine (no humidifier)
Can a Goal Zero Yeti PRO 4000 run a cpap machine (no humidifier)?
The cpap machine (no humidifier) draws about 40 W (a steady resistive load); the Yeti PRO 4000 delivers 3,600 W continuous and 7,200 W surge. Its 3,993 Wh battery runs one for about 90 h.
Continuous: 3,600 W ≥ 40 W needed → ok
Surge: 7,200 W ≥ 40 W needed → ok
Runtime: 3,993 Wh × 90% ÷ 40 W avg = ~90 h
Bigger units that run it longer
Common questions
Can the Goal Zero Yeti PRO 4000 run a cpap machine (no humidifier)?
Yes. A cpap machine (no humidifier) draws about 40 W, and the Goal Zero Yeti PRO 4000 delivers 3,600 W continuously with a 7,200 W surge rating — comfortably enough. On its 3,993 Wh battery it runs one for roughly 90 h.
Sources: CPAP Machine (no humidifier) wattage — Standard appliance-wattage / generator-sizing charts (representative values; verify your nameplate); Yeti PRO 4000 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.