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How Long Can an Inogen Portable Oxygen Concentrator Run Without Stopping?

If you rely on supplemental oxygen therapy and are considering an Inogen portable oxygen concentrator, one of the most important factors is runtime.

You want to know that your Inogen will provide the oxygen you need for as long as you need it before requiring a recharge. So, how long can an inogen run continuously? Let’s take a look.

Understanding Inogen Battery Life

The runtime of an Inogen portable oxygen concentrator depends on a few key factors:

  • The specific Inogen model (One G3, G4, or G5)
  • The battery size – single or double
  • The flow setting in liters per minute (LPM)

In general, here are the approximate maximum runtimes you can expect from each Inogen model on a full charge:

Inogen ModelSingle BatteryDouble Battery
One G34.5 hours9 hours
One G42.7 hours5 hours
One G56.5 hours13 hours

As you can see, the Inogen One G5 provides the longest runtime of up to 13 hours with an external double battery. This is the best battery life currently available in a portable oxygen concentrator.

Keep in mind that these are the maximum runtimes on the lowest flow setting. Higher flow rates will reduce battery life. For example, on setting 2, the Inogen One G5 runs for up to 6 hours with the double battery.

Charging and Replacing Inogen Batteries

To get the most runtime out of your Inogen, it’s important to properly maintain the batteries. Inogen recommends these tips:

  • Fully charge batteries before first use
  • Recharge batteries whenever possible to keep them topped off
  • Replace batteries every 12-18 months for best performance
  • Store spare batteries in a cool, dry place at 40-50% charge

With the Inogen One G5, batteries are external and can be easily swapped out. Simply click the battery release button and slide the battery off. Pop in a freshly charged battery and you’re good to go for several more hours. Having extra batteries on hand ensures you always have the oxygen you need.

Can I Use My Inogen 24/7?

While Inogen portable concentrators are designed for frequent use, they are not intended to run continuously 24 hours a day, 7 days a week. The compressors and sieve beds require regular rest periods to ensure optimal performance and lifespan.

However, with multiple batteries, you can certainly use your Inogen all day long as needed. Many COPD and lung disease patients rely on their Inogen One G3, G4, or G5 as their primary oxygen source for daily activities, travel, sleep, and more.

The long runtimes and lightweight designs make Inogens ideal for active, oxygen-dependent lifestyles.

The Bottom Line

In summary, how long your Inogen portable oxygen concentrator can run continuously depends on the specific model, battery size, and flow setting. The Inogen One G5 offers the longest battery life of any portable concentrator at up to 13 hours.

With proper battery care and extra batteries on hand, you can count on your Inogen to provide the oxygen you need for hours on end, day after day. While not designed for true 24/7 use, Inogens are there to help you live your fullest, most active life possible on oxygen therapy.

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