Best 10 Oxygen Concentrators Reviews

By Kathleen Oreta - August 31, 2018

Oxygen is what keeps us alive. The human respiratory system can efficiently obtain oxygen from the surroundings when at optimum health. That is not always the case, there are certain conditions that result in low oxygen levels in the body. Without proper help at this time of need, someone could lose his or her life. That is where oxygen concentrators come in.

Thankfully, oxygen concentrators also called oxygen generators to have the power to restore your oxygen levels back to normal. They are medical electric or battery-powered devices used for delivering oxygen to the people that require it (under prescription).

It works by taking air from its surroundings and purifying it. Today, most of them are portable different from previous ones. Finding the best oxygen concentrators can be time-consuming, expensive and blind because mostly you are not aware of what to look into from various types.

Therefore, I gladly take you through the best 10 oxygen concentrators’ reviews so as to make it easy for you to make a good choice in consideration of what you exactly need. Below are each products details, pros, and cons. This will help you know what to pinpoint as the right oxygen concentrators for your situation.

  #10. SeQual Eclipse 5 Oxygen Concentrator

This is a personal ambulatory system for oxygen offering pulse and continuous flow modes of oxygen delivery. Pulse flow setting is at 1-9 while the continuous setting is at 0.5-3.0LPM. It weighs 18.4 pounds having its battery installed, and its measurements are 12.3”W× 7.1” D × 19.3”H.


  • The SeQual Eclipse oxygen concentrator comes with a wheeled traveling cart making traveling with it easier and comfortable.
  • The oxygen concentrator is very easy to operate. Putting the concentrator on or off is just by pushing the button. By so doing, you can also easily adjust your flow rate or switch your concentrator from pulse flow to the continuous flow.
  • The eclipse oxygen concentrator has made it easy to use CPAP and BiPAP machines while using SeQual Eclipse 5. It is designed to extend ones battery life mostly at night.
  • It includes a three years warranty on the unit. It also has a separate one year warranty on accessories.
  • Its battery duration reliable with the pulse flow is up to 5.1 hours and 2 hours for the continuous flow.


The eclipse oxygen concentrator weighs 18.5 pounds. With this weight, it is too much for a portable unit. It makes it cumbersome for some trips.
It is loud. The continuous flow setting is even louder at 48 decibels. This contractor can be noticeable in a quiet setting.

#9. SeQual equinox Oxygen Concentrator

It is an oxygen concentrator weighing about 14 pounds. It offers both pulse and continuous flow to up to 3LPM. Its pulse setting is 1-6 with 3 additional setting and 0.5-3 with the continuous flow settings. The concentrator also gives you two battery options; a 12 and a 24 cell battery. The two allow patients to choose between increased battery lives or less weight. However, the wheel traveling cart makes moving with the concentrator seem effortless.


It is a more advanced simplified machine. Whether you are on the go or flying, you can easily change your batteries. This is assisted by its front-loading battery. The control panel is also designed in a way that will never give you trouble. It actually enables you to switch oxygen delivery modes, change flow rates and mute the alarm with just a push on the button.
It has a very reasonable price. Compared to what it has to offer, you can consider the price fair.
The Auto Stat Technology accounts for fluctuations in your breath rates which are normally caused by different activities that you may be performing. Therefore you can be sure to receive oxygen amounts as prescribed.

#8. Lifechoice Activox 4L

It is a 4.8lbs oxygen concentrator with a 1-4 flow setting measured 7.875” height, 4.38” width and 9.05” length. It offers oxygen output for 8.25 hours and can be charged by an AC or DC power supply. In its package, it has an AC and DC power supply for charging at home and on the go respectively. Along with that, it has a 4-way carrying case, an accessory bag, tubing-standard 7-foot nasal cannula and a manual.


  • It has a customizable carrying case. It allows you to use it hands-free, waist pack, backpack or as a shoulder bag.
  • It is mobile and travel-friendly, unlike industry standard oxygen tanks.


  • It has a short battery life of not more than 8.25 hours which makes it unreliable for long time use unless you add an external battery.

#7. Respironics SimplyGo Oxygen Concentrator

It is a portable 10lbs concentrator with both continuous and a pulse setting. The Respironics SimplyGo will keep you saturated without any worries with its high oxygen output. In its package, it comes with two lithium-ion batteries which give you a chance to recharge the other while using the second one.


  • It is a highly durable concentrator that can stand bumps, drops, temperature change and vibrations. This gives it perfect performance from day to day.
  • It has a rugged and durable traveling cart which is wheeled. This makes traveling as well as movements more natural and comfortable. The cart has an adjustable handle which makes it possible to adjust it to your exact height.
  • It ensures oxygen throughout the night with its sleep mode technology, CPAP and BiPAP machine. Due to this, you can be assured with continuous oxygen flow.


  • It might be difficult for some patients to carry this oxygen concentrator. 10 pounds is not that flexible, especially for long distances.
  • At 43 decibels it is as noisy as a humming refrigerator. Due to this, it becomes less suitable for quiet environments.

#6. AirSep Focus Oxygen Concentrator

AirSep Focus is an oxygen concentrator with dimensions; 6.4” height, 2.5 lengths and 4.8 widths. It is the world’s smallest, lightest and most portable oxygen concentrator with only 1.75 pounds.  Its operation depends on the AC power, DC power, and battery power and it allows multiple battery options.


  • It is too small making it astonishingly possible to use while exercising, shopping, traveling, and any daily activity. It absolutely won’t affect your balance nor wear you out.
  • It is easy to set up along with its simple operation. You only need to connect a battery and flip the power switch on. It gives you your oxygen requirement.


  • It has a short battery life which may require you to use an external battery for an extension. Without an Airsep 8-cell external battery, it cannot sustain for more than 3hours with both two batteries.

#5. Inogen One G4 Portable Oxygen Concentrator

It is an Inogen with two battery options designed to supplement oxygen to the user. It can be recharged using the AC power supply, DC power supply or the external battery. AC power allows home usage while the DC power helps on the go. With the two, it can sustain oxygen delivery for up to 5 hours. So, it allows night time usage. With its nature, it guarantees you with absolutely no disturbance during your sleep or to someone next to you during the daytime.


  • It is amazingly small and convenient. It actually weighs 2.8 pounds with a single battery in it measuring 7.2”H × 2.68” W× 5.91”L. With its size, it makes you extremely mobile, and at some point it is unnoticeable.
  • It has a three-year warranty making users to enjoy this item thoroughly.


  • With a single battery, the Inogen One G4 sustains for a short time. It can stand for less than 2.5 hours. This might not be very reliable.

4. GCE Zen-O Lite Portable Oxygen Concentrator

This is a small and portable concentrator which is really discreet. It allows pulse flow setting range from 0.5-5. As a user, you have a chance to adjust its onboard control panel.


  • It is very quiet. Because of that, you would not have to worry about being disruptive when in public areas that need some silence such as in class or at a movie theater.
  • It is small in size removing restrictions of complicated oxygen tanks and giving you freedom. It weighs just over 5 pounds. On measurements, it is 9.25”H × 9.8” W × 3.8” D.
  • Its package has a carrying case which makes movements with it comfortable.

#3. GCE Zen-O Portable Oxygen Concentrator

It is an oxygen concentrator with a pulse flow setting range at 1-6. It weighs over 11 pounds with two batteries measuring 8.3”W × 6.6”D ×12.3” H which makes it fit position under the airplane seat.


  •  It has both the CAP and the BiPAP oxygen therapy devices.
  • Travelling is simplified by the wheeled traveling cart which makes you use less energy.
  • It is capable of using one or two batteries at a time.


  • It has a limited oxygen flow. Due to its small compressor and motor, its supply is limited unlike other portable oxygen concentrators with larger ones.
    When using the setting with a continuous flow, the machine tends to run consistently. This causes the battery life to be shorter unlike with pulse flow.

#2. Oxlife Independent Portable Oxygen Concentrator with DNA Technology

This is a durable oxygen concentrator equipped with an integrated travel cart. It has a brand new Dynamic Network Analysis ( DNA) technology recently released. With this technology, there is a connection to a private network that communicates with a user’s caregiver and provides very helpful information. The information can be whether you are using the concentrator on the right oxygen setting, for how long it is used daily or information about your breath rate. It also communicates any relevant and vital information that may need quick access in order to fix a problem. Altogether, it facilitates your treatment plan and informs you of any required changes.


  • It is compatible. This is assisted by the CPAP and BiPAP machines. These machines assist in using the concentrator during night hours for oxygen delivery in any time of need.
  • It can offer an all-time oxygen supply. It does so when plugged in the AC or DC power supply. Because of that, it is the best choice for your nighttime supply.
  • It can operate using two batteries. This makes its oxygen supply really long.


  • It is not light. The Oxlife Independent with DNA technology weighs over 15 bounds and above 19 pounds with two batteries because of having a large compressor. In some cases, moving with it from place to place may be hard.  

#1. Inogen One G3 Portable Oxygen Concentraotr

This oxygen concentrator is a full package. It is a small and of lightweight. Since its release, it has hit the market hard as the very stable and portable oxygen concentrator. The fact that it is well built gives assurance to rely on it.


  • It offers the highest oxygen output, unlike any other oxygen concentrator. This is one of the most important factors that a person should contrite on while buying or renting an oxygen concentrator. The machine can detect your breath as it is equipped with intelligent oxygen delivery. It also offers pulse flow at 1-5 settings.
  • Its weight is extremely small making it easy to move and carry from one place to another. among others; the Inogen One G3 is the smallest. It hardly weighs 4.9 pounds. On the stand, it has 8.25” height, 8.75” length and 3.0” width. With its size, you will not have to use much of your energy especially if you are required to use it for daily basis. If you are traveling, this is a very good fit.  It is portable and sustainable for a long time. You may also consider using this one for daily basis cases.
  • It has a custom carrying case as part of the package. The case is equipped with shoulder and handles straps helping to transport the Inogen. Together with this, it has a backpack which makes transporting the concentrator much more comfortable.
  • It offers the best battery life. Inogen One G3 has two battery options for users; the 16 cell battery and the 8 cell battery. Therefore at a single charge, the oxygen concentrator can sustain for 8hours with a 16 cell battery and 4 hours with an 8-cell battery. this is quite amazing


  • It has no alarms.  Without alarms, it is difficult for a user to be aware of low oxygen rates or issues like malfunctioning.

Lastly, making a good choice on what oxygen concentrator to purchase or rent is not easy. Despite having a number of reviews, your primary concentration should be on what would work best for you.

You can make a choice considering what you do on your daily basis. There is a need to ask yourself if the oxygen delivery output will be enough for you for the hours that the concentrator has to offer.  By doing so, you will not regret the item of your choice.

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