WILL POWER YOUR OXYGEN CONCENTRATOR230V AC

9.9HRS

Continuous: 350W

Surge Peak: 500W

≈ 0.4 days (24h/day) · Safe motor start buffer (93.1% margin).

Ready to Run

Motor Start Margin+6700W Safe Buffer(500W Peak / 7200W Max)

How long will a Goal Zero Yeti PRO 4000 run an oxygen concentrator?

Q: How long will a Goal Zero Yeti PRO 4000 run an oxygen concentrator?

About 9.9 hours on AC power, with the oxygen concentrator averaging 350 W (standard prescription flow rate 3 LPM continuous operation (350 W)). The Goal Zero Yeti PRO 4000 then draws about 403 W from its battery, including 22 W for the inverter itself. Best case: about 12.2 hours (low flow setting 1–2 LPM continuous delivery (280 W)). Worst case: about 8.3 hours (maximum continuous flow setting 5 LPM at maximum pressure (420 W)).

Q: Can a Goal Zero Yeti PRO 4000 start an oxygen concentrator?

Yes. The oxygen concentrator's start-up peak of about 500 W (up to 650 W) fits within the Goal Zero Yeti PRO 4000's 7,200 W surge rating, with 91% headroom even in the worst case.

Q: How long does the Goal Zero Yeti PRO 4000 take to recharge?

On wall power: about 120 minutes to 80% and 150 minutes to full (Goal Zero figures). With its maximum 3,000 W of solar input connected, expect about 2,400 W in full sun, so a full recharge takes roughly 1.8 hours of full sun, so it can refill in a single day with 4 peak sun hours.

Q: Can the Goal Zero Yeti PRO 4000 keep an oxygen concentrator running during a power cut?

It can act as a backup supply: with the oxygen concentrator plugged into the Goal Zero Yeti PRO 4000 and the Goal Zero Yeti PRO 4000 plugged into the wall, it switches the oxygen concentrator to battery in about 10 ms when the grid fails (Goal Zero calls this UPS mode).

oxygen concentrator running (420 W max) and start-up (650 W max) draw fit the Goal Zero Yeti PRO 4000's 3,600 W continuous / 7,200 W surge ratings.

LOW LOAD

12.2HRS

low flow setting 1–2 LPM continuous delivery (280 W)

280 W326.02 W net

TYPICAL SPECNOMINAL

9.9HRS

standard prescription flow rate 3 LPM continuous operation (350 W)

350 W402.75 W net

HIGH LOAD

8.3HRS

maximum continuous flow setting 5 LPM at maximum pressure (420 W)

420 W479.77 W net

TELEMETRY // PRIMARY READOUT230V AC

CALIBRATED RUNTIME

9.9HRS

≈ 0.4 days (24h/day)

NET PACK DRAW

402.75W

System standby power: 22W (5.5% of total draw)

CONTINUOUS_LOAD_UTILIZATION10% (350W / 3600W)

APPLIANCE_DRAW350W RUN / 500W PK

SOURCE_LIMIT3600W CONT / 7200W PK

SOLAR_RECHARGE (3000W)1.75H (0.44D)

PARAMETER_SANDBOX // ENGINE v1.0.0

Live Load, Duty Cycle & Usage Simulator

Active Running Load350 W

MIN 140WNOMINAL 350WMAX 2000W

Compressor / Cycling Duty Factor100%

5% INTERMITTENT50% CYCLING100% CONTINUOUS

Active Usage Window per Day24 h/day

1H / DAY8H OVERNIGHT24H CONTINUOUS

Solar Generation Array0 W

0W (OFF)200WMAX 3000W

TEMPERATURE DERATE

CONTINUOUS

9.9HRS

OUTAGE SPAN

0.4days

AVG LOAD

350W

PACK DRAW

402.75W

Stack oxygen concentrator with other devices on Goal Zero Yeti PRO 4000 in the Load BuilderOpen Builder →

HARDWARE_INTERFACE // ELECTRICAL AUDIT

Goal Zero Yeti PRO 4000 × Home Medical Oxygen Concentrator Electrical Interface

1. AC RECEPTACLE & PLUG MATCH

BS 1363 (230V 13A Irish Standard Plug) → DIRECT FIT

Provides 4× CEE 7/3 (230V), 1× IEC Commando (32A) (120V 60Hz).

2. WAVEFORM & THD SENSITIVITY

PURE SINE WAVE // THD-SENSITIVE LOAD

Pure sine wave inverter output. Safe for sensitive medical electronics and variable-speed motors.

3. STARTING SURGE (MOTOR INRUSH) MARGIN

500W TYP (650W MAX) VS 7200W LIMIT

Inductive motor/compressor load with 1.4× starting surge (motor inrush) (93.1% worst-case surge margin).

4. UPS SWITCHOVER & EXPANSION

UPS: UPS (10MS) · EXPAND: UP TO 19965WH

Wall AC fast charge at up to 1800W (120m to 80%, 150m to 100%).

PHYSICS // TRANSIENT DRAW ENVELOPE

Dynamic Inrush Surge Curve (Locked Rotor Amps vs Steady State)

SAFE INRUSH HEADROOM (+6700W BUFFER)

Safe envelope verified: Starting surge (500W) remains comfortably below the 7200W surge trip line, with steady-state operation settling into the safe continuous zone at 350W.

LAB_RECORDS // EMPIRICAL OBSERVATIONS

Field Engineering Quirks & Operational Failure Modes

Hardware Bench Constraints (Goal Zero Yeti PRO 4000)

›Supports up to 4 Tank PRO 4000 expansion batteries, expanding total energy storage to nearly 20 kWh.
›Equipped with high-power High Power Port (HPP) DC output delivering up to 30 A continuous at 12 V.

Cycle Physics & Dwell Behavior (Home Medical Oxygen Concentrator)

›Continuous 24/7 medical operation consumes roughly 8.4 kWh per day (350 W × 24h), requiring sizable battery capacity or ongoing solar generation to sustain.
›Because it relies on an internal compressor and sensitive electronic cycle valves, pure sine wave power (<3% THD) is required to prevent motor overheating.
›Brief switchover gaps greater than 50 ms can trigger the internal low-pressure alarm and require a manual machine power cycle.

KNOWLEDGE_BASE // VERIFIED QA

Frequently Asked Questions: Goal Zero Yeti PRO 4000 & Home Medical Oxygen Concentrator