Is the Goal Zero Yeti 1000 (6th Gen) enough backup for a portable oxygen concentrator?

Only as a short bridge. It covers about 21 hours from a full charge. A power station should never be your only backup for medical equipment: ask your equipment supplier what they provide in an outage, register with your utility’s medical-needs program, and keep the settings your prescriber gave you.

Goal Zero · Will it run?

Can the Goal Zero Yeti 1000 (6th Gen) run a portable oxygen concentrator?

Published October 15, 2026

Short answerYes

Yes. The Goal Zero Yeti 1000 (6th Gen) runs a portable oxygen concentrator for about 21 hours from a full charge. At about 40 W on average it uses 4.7% of the battery an hour, and the 2,000 W output is far more than it needs.

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Key numbers

Runtime: 21 hrs; from a full charge
Battery used per hour: 4.7%; at 40 W average

Portable oxygen concentrator

Running: 40 W; 15–120 W range
Start-up: 120 W
Average: 40 W; runs all the time

Goal Zero Yeti 1000 (6th Gen)

Battery: 998 Wh; about 848 Wh usable
Output: 2,000 W; continuous
Surge: 3,600 W; start-up peak

How we worked it out: 998 Wh × 0.85 ÷ 40 W = about 21 hours. The 0.85 covers inverter and battery losses. We do not test units ourselves; the numbers come from the official spec sheets and typical device draws. How we pick

Goal Zero Yeti 1000 (6th Gen)

998 Wh · 2,000 W output · 3,600 W surge · 35.3 lb

Full specs and runtimes

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What else the Goal Zero Yeti 1000 (6th Gen) runs

One device at a time, from a full charge.

Other power stations for a portable oxygen concentrator

The nearest sizes that also run it.

Keep going

Real runtime depends on the model you own, room temperature and battery age. The 21 hours above is an estimate, not a measured result.

Common questions

How long will the Goal Zero Yeti 1000 (6th Gen) run a portable oxygen concentrator?: About 21 hours from a full charge. A portable oxygen concentrator averages about 40 W, and the 998 Wh battery gives about 848 Wh after inverter losses. That is 4.7% of the battery an hour.
Is the Goal Zero Yeti 1000 (6th Gen) enough backup for a portable oxygen concentrator?: Only as a short bridge. It covers about 21 hours from a full charge. A power station should never be your only backup for medical equipment: ask your equipment supplier what they provide in an outage, register with your utility’s medical-needs program, and keep the settings your prescriber gave you.