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WATTMATRIX LAB BENCH // 230V 50Hz
☕
REVERSE_SIZER // medical
LOAD: compressor
PLUG // BS 1363 (230V 13A Irish Standard Plug)

What Size Power Station or Generator Runs an Home Medical Oxygen Concentrator?

A 5-liter stationary home oxygen concentrator runs continuously around the clock (24 hours/day), drawing approximately 350 W with an inductive starting surge of ~500 W from its internal rotary compressor motor.

RUNNING_WATTS
350W TYP
Range: 280–420W
SURGE_REQUIREMENT
500W PK
Worst-case: 650W
TIME_AVG_DRAW
350W AVG
24h / day
NATIVE_DC_PATH
230V AC Only
Requires AC inverter
BEST BUDGET$449

EcoFlow RIVER 2 Pro

Lowest upfront cost among verified LFP stations that clear the oxygen concentrator's 500W starting surge.

MAX BATTERY$3199

EcoFlow DELTA Pro 3

Largest LFP battery reserve (4096Wh) for indoor zero-emissions backup.

MULTI-DAY FUEL$949

Westinghouse iGen5000DF

Longest continuous tank endurance with 5000W starting headroom for multi-day grid failures.

Multi-Device Outage Planning

Running home medical oxygen concentrator alongside a refrigerator, medical device, or Starlink? Calculate coincident runtimes and inverter capacity in the Load Builder.

Open in Load Builder →
RANKED_COMPARISON // BEST BUDGET → EXTENDED OUTAGE

All 16 Tested Power Sources Ranked for Home Medical Oxygen Concentrator

Rank & SourceSpecStatusSurge MarginLowTypical Runtime12V DC / LPGPriceNode
768Wh · 800WRUNS+68.8% (1600W)2.4h1.9 HRS—$449Open →
1152Wh · 1800WRUNS+81.5% (2700W)3.6h2.9 HRS—$499Open →
1070Wh · 1500WRUNS+83.3% (3000W)3.3h2.7 HRS—$499Open →
1056Wh · 1800WRUNS+79.2% (2400W)3.3h2.6 HRS—$599.99Open →
1536Wh · 2200WRUNS+88.6% (4400W)4.8h3.8 HRS—$699Open →
1024Wh · 1800WRUNS+81.5% (2700W)3.2h2.6 HRS—$999Open →
2048Wh · 2400WRUNS+89.6% (4800W)6.4h5.2 HRS—$1,049Open →
2048Wh · 2400WRUNS+86.1% (3600W)6.4h5.2 HRS—$1,299Open →
2042Wh · 3000WRUNS+91.7% (6000W)6.3h5.1 HRS—$1,499Open →
3840Wh · 6000WRUNS+94.4% (9000W)11.7h9.5 HRS—$2,899Open →
4096Wh · 4000WRUNS+93.8% (8000W)12.5h10.1 HRS—$3,199Open →
3993Wh · 3600WRUNS+93.1% (7200W)12.2h9.9 HRS—$3,499Open →
3.4gal · 3900WRUNS+90% (5000W)28.3h26.7 HRS31.7h (LPG)$949Open →
2.25gal · 3500WRUNS+88.9% (4500W)21.4h20.2 HRS29.3h (LPG)$999Open →
8.3gal · 10500WRUNS+96.2% (13000W)20.1h19.7 HRS14.9h (LPG)$1,299Open →
0.95gal · 1800WRUNS+77.3% (2200W)10.0h9.1 HRS—$1,347.99Open →

BENCHMARK_MODELS // HOME MEDICAL OXYGEN CONCENTRATOR

Philips Respironics EverFlo Q 5L350W

Stationary home oxygen concentrator; power consumption 350 W nominal at 3 LPM, sound level <40 dBA

Inogen At Home 5-Liter275W

Compact stationary concentrator; 275 W nominal draw across 1–5 LPM settings

REVERSE_SIZER_QA // VERIFIED ANSWERS

What size power station or generator do I need for an oxygen concentrator?

To run an oxygen concentrator reliably across all scenarios, choose a power source rated for at least 420 W continuous output and 650 W peak starting surge (typical draw is 350 W running / 500 W surge, averaging 350 W over time).

What is the best budget power station for an oxygen concentrator?

The lowest-cost verified station in our database that runs an oxygen concentrator is the EcoFlow RIVER 2 Pro ($449), delivering about 1.9 hours on AC.

Which battery station gives the longest runtime for an oxygen concentrator?

The EcoFlow DELTA Pro 3 (4096 Wh) delivers the longest single-charge battery runtime at about 10.1 hours.