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Oxygen concentrator 5 L/min: how much battery you need

Oxygen concentrator 5 L/min draws about 350 W (300–350 W range), runs 100% of the time and uses 8400 Wh per day. Start-up surge: 600 W.

Philips EverFlo (up to 5 L/min) averages 350 W. Keep a full oxygen cylinder as the backup to the backup.

Battery needed

HoursWhBattery (Wh)Inverter (W)
For 8 hours28004243386 / 600
For 24 hours840012728386 / 600
For 72 hours2520038182386 / 600

Open in calculator with this appliance →

Stations that fit (24 h)

EG4 PowerPro WallMount
14300 Wh · 10000 W (10000 W peak)
→
FranklinWH aPower S
15000 Wh · 11500 W (15000 W peak)
→

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FAQ

How many watts does a Oxygen concentrator 5 L/min use?

Typically 350 W while running, with a range of 300–350 W depending on model and age. Start-up surge can reach 600 W.

How long will a 1000 Wh power station run a Oxygen concentrator 5 L/min?

About 1.9 hours on the clock, allowing for the 100% duty cycle, inverter losses and a 20% reserve.

What size power station do I need for a Oxygen concentrator 5 L/min overnight (8 h)?

About 4243 Wh of battery and an inverter rated at least 386 W continuous with 600 W surge.

Can I run a Oxygen concentrator 5 L/min on solar during an outage?

You need roughly 5600 W of panels in winter to replace a day's use (8400 Wh), charging through a station with a big enough MPPT input.

Other sizes

3 L/min280 W1

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1 Approximate values: estimated from motor or heater power and typical figures published online, not from a manufacturer chart. Check your appliance label.

Inverter efficiency 88%, usable depth of discharge 90%, reserve 20%. Full method: How we calculate. source