Know about the Different Types of Portable Oxygen Concentrators

Among the 7.6 billion people around the world, there are different types of deficiencies among many. One of them is being unable to get enough oxygen into a person’s body from the natural air.
The medical term for this deficiency is hypoxia. People who suffer from hypoxia need either intermittent or constant supply of additional oxygen to keep them going. To make things easier, the 2000s have seen the invention of the portable oxygen concentrator.

The portable oxygen concentrator, also known by its acronym POC, is a great resource for hypoxia patients. You can carry it around and use it whenever necessary. There are variations that suit the needs of both the intermittent user and the constant user. Unlike regular consumer products, these products are very critical and they are used for the most vital need of the human body, oxygen. For that very purpose, we bring to you almost all the available POCs with their basic specifications.


AirSep has three models. AirSep Focus, Freestyle 3 and Freestyle 5. Focus has a weight of 1.75 pounds and 2 lithium batteries, 0.53 pounds each. It works on pulse dose. The battery charge will last for 3 hours. Freestyle 5 weighs 6.7 pounds with battery and this portable oxygen concentrator comes with 5 different pulse flow settings. Depending on the settings, the battery will last between 1.25 to 4.25 hours. The Freestyle 3 variant comes with a weight of 4.9 pounds and 3.5-hour battery. All are FAA approved with a 3-year warranty.

DeVilbiss iGo

This portable oxygen concentrator has both pulse dose and continuous flow. At 19 pounds along with the battery, it will work on a pulse dose setting of 6 for 3 hours and pulse dose setting of 1 for 5 hours. In continuous flow, for setting 3, it works for 1.6 hours and 4 hours for setting 1. It is not FAA approved.

Inogen One

These portable oxygen concentrators are available in 5 different models. G2 Portable, G2 with 24 cell battery, G3 Portable, G3 with 16 cell battery and G4 Portable. All of them use pulse dose mechanism except for the G2 with 24 cells that come in pulse flow.

G2 Portable comes at 7 pounds and a 4-hour battery life. The G2 with a 24 cell battery weighs 8.23 pounds and has an 8-hour battery life. These two variants use DC power only. G3 Portable is at 4.9 pounds and offers a 4-hour battery life. It has an 8 cell battery. G3 with 16 cell battery weighs 5.7 pounds and has 8-hour battery life. Finally, G4 Portable is 2.8 pounds and has a 4.3-hour battery life. The three variants can be used on AC or DC power. They are all FAA approved and come with a 3-year warranty.

LifeChoice ActivOx Pro 4L

This portable oxygen concentrator works on pulse dose. Weighing 4.8 pounds, it comes with a 10-hour battery life. The internal battery charging time is 4 hours and the external battery takes 2 hours. It is FAA approved and has a warranty of 3 years.


The Platinum Mobile portable oxygen concentrator has pulse dose system and weighs around 4.8 pounds and comes with a battery. It has 8 hours of battery life. This is a water-resistant unit. Invacare’s XPO2 is pulse dose with 7 pounds weight and 5-hour battery life.


GCE healthcare has two models. The Zen-O and Zen-O lite portables. Zen-O has a weight of 10.25 pounds and has 8 hours of battery life. It works on both pulse dose and continuous flow. The Zen-O lite is at 5.5 pounds and 4-hour battery life with pulse dose system.


Respironics has its popular SimplyGo models and they come in two variations, SimplyGo and SimplyGo Mini. SimplyGo has pulse dose and continuous flow. It weighs 10 pounds and has 3-hour battery life. The SimplyGo Mini works only on pulse dose and has a battery life of 4.5 hours.


SeQual has two models and they are SeQual eQuinox and Eclipse 5. Both the variants have pulse dose and continuous flow mechanisms. eQuinox weighs 14 to 15.5 pounds and it has a battery life of 2.5 to 5.7 hours while Eclipse 5 weighs 18.4 pounds with battery and it gives 5-hour battery life.

These are the various models of portable oxygen concentrators available for you. We highly recommend that you go through the in-depth specifications of each model and also consult with your doctor if you have to. Make a wise decision as it is related to your well being.