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Best Portable Oxygen Concentrator of 2022

Portable oxygen concentrators help you maintain your oxygen therapy requirements while on the go. Choosing the best portable oxygen concentrator can be difficult with so many options available from numerous manufacturers. Use the following tips to select a portable oxygen concentrator that fits your oxygen therapy needs and your lifestyle. 

Tips Before Buying a Portable Oxygen Concentrator 

When selecting a portable oxygen concentrator, you have to consider how often you will be on the go with the device. Some oxygen therapy patients may just use their portable oxygen concentrator for running errands while others may travel frequently out of state or out of the country. Compare the features that are important to you while using oxygen therapy away from home.  

Caire FreeStyle Comfort Portable Oxygen Concentrator 

Caire FreeStyle Comfort Portable Oxygen Concentrator Caire FreeStyle Comfort Portable Oxygen Concentrator

The Caire FreeStyle Comfort™ Portable Oxygen Concentrator is an ergonomically-designed portable oxygen concentrator that rests perfectly against the patient's body’s natural curves, making it highly comfortable to use. The unit weighs only 6 lbs when equipped with its batteries. Batteries are easy to replace. The concentrator meets FAA guidelines for in-flight use during commercial air flights, allowing you to extend your outdoor stay. 

Caire FreeStyle Comfort - Unit Specification 

  • AutoDose feature for safety
  • CAIRE view wireless connection technology
  • Up to 16-hours of battery life
  • Easy to use interface with glow in the dark keypad
  • Ergonomic design
  • UltraSense breath detection
  • Smaller frame for portability 


  • Lightweight
  • Optional external batteries for extended use
  • Alerts and alarms for troubleshooting 


  •  Must call to find local or regional authorized dealers 

Editor Review 

The Caire FreeStyle Comfort is an easy to use device for anyone new to oxygen therapy. If you only require pulse dose settings, this lightweight, ergonomically designed unit can go anywhere you need to go. For more time away from home, there is also an extra battery available to extend the life of the POC while on the road.  

Philips Respironics SimplyGo Portable Oxygen Concentrator 

Philips Respironics SimplyGo Portable Oxygen Concentrator Philips Respironics SimplyGo Portable Oxygen Concentrator

The Philips Respironics SimplyGo Portable Oxygen Concentrator is a reliable and convenient addition to your oxygen therapy needs. Built to be both sleek and durable, this compact device is the lightest POC that offers both continuous flow and pulse dose oxygen delivery. Weighing 10 lbs, the Respironics SimplyGo portable oxygen concentrator has double the oxygen output as other portable concentrators in the same weight class! 

Philips Respironics SimplyGo - Unit Specification 

  • Pulse dose and continuous flow settings
  • Lightest continuous flow POC
  • Durable, impact-resistant design
  • CPAP compatible
  • Fast battery charging time
  • Easily portable with a mobile cart
  • Backlit high-quality LCD for easy navigation  


  • Has the power of a home oxygen concentrator
  • CPAP compatible
  • Pulse dose and continuous flow options 


  • Heavier
  • Single battery is short-lasting 

Editor Review 

The SimplyGo is not just durable, it’s also convenient. User-friendly accessories include a mobile cart, accessory bag, carrying case, and key device features include an easily accessible battery, easy-to-read screen, and alarms to let you know when something is wrong with your machine. 

Philips Respironics SimplyGo Mini Portable Oxygen Concentrator 

Philips Respironics SimplyGo Mini Portable Oxygen Concentrator Philips Respironics SimplyGo Mini Portable Oxygen Concentrator

When it comes to lightweight, compact, and portable, Philips Respironics has reinvented the market with the arrival of the SimplyGo Mini Portable Oxygen Concentrator. Following in the steps of the SimplyGo, the device delivers optimal and reliable oxygen therapy in a small package. The Respironics SimplyGo Mini is the smallest and lightest portable oxygen concentrator ever developed by Philips. 

Philips Respironics SimplyGo Mini - Unit Specification 

  • Delivers oxygen in 5 pulse dose settings
  • Compatible with standard or extended battery
  • Durable, impact-resistant design
  • Whisper quiet operation
  • Easy to clean and operate
  • Multiple alarms for easy troubleshooting 


  • Only weighs 5 lbs
  • FAA approved
  • Quiet operation 


  • No continuous flow
  • Does not deliver oxygen when batteries are discharged during a power outage 

Editor Review

With the Philips SimplyGo Mini portable oxygen concentrator, users get an attractive and modern design, easy-to-remove external batteries, and a user-friendly touchscreen. The SimplyGo Mini is the lightest portable oxygen concentrator developed by Philips Respironics and can conveniently travel anywhere with the included carrying case. 

Caire SeQual Eclipse 5 Portable Oxygen Concentrator 

Caire SeQual Eclipse 5 Portable Oxygen Concentrator Caire SeQual Eclipse 5 Portable Oxygen Concentrator

The SeQual Eclipse 5 Portable All-In Oxygen Concentrator is one of the few portable oxygen concentrators that offers both continuous flow and pulse dose oxygen settings. Continuous flow settings range from 0.5 to 3LPM (liters per minute) and can be adjusted in increments of 0.5LPM. Pulse dose settings are offered on a scale from 1- 9, with Setting 1 delivering 16mL of oxygen per pulse and Setting 9 delivering 192mL of oxygen per pulse. 

Caire SeQual Eclipse 5 - Unit Specification 

  • Up to 3 LPM continuous flow
  • Weighs only 36lbs
  • User-friendly control panel
  • The AutoSAT technology monitors the breathing of the user 
  • High pulse dose output
  • Useful troubleshooting alarms and alerts 


  • Durable
  • Pulse dose and continuous flow options
  • Longer battery life 


  • Heavier unit 

Editor Review 

With its compact design, the Caire SeQual is a highly portable and the DC power operation provides the freedom to operate this portable oxygen concentrator at any available DC outlet. The Claire SeQual Eclipse 5 offers both Pulse flow settings and continuous flow settings up to 3 LPM. 

Inogen One G4 Portable Oxygen Concentrator 

Inogen One G4 Portable Oxygen Concentrator Inogen One G4 Portable Oxygen Concentrator

If you are looking for a lightweight portable oxygen concentrator that provides 24-hour oxygen delivery, then the Inogen One G4 is for you! Weighing in at only 2.8lbs, the Inogen One G4 is the lightest, most compact concentrator on the market. It delivers oxygen in 3 Pulse Dose settings and provides hours of therapy with the optional extended battery.  

Inogen One G4 - Unit Specification 

  • Smallest and lightest POC
  • Easy to operate with user-friendly display
  • Only 2.8 pounds with standard battery
  • 3 pulse dose settings
  • Up to 5 hours with extended battery
  • Ultra-quiet operation
  • FAA-approved 


  • Low maintenance
  • Flexible battery power options 


  • Not as durable as others

Editor Review 

The distinctive features of the Inogen One G4 include a dedicated button for the Audible Breath Detection Alert Mode. If the G4 does not detect a breath for more than 60 seconds, it will automatically pulse oxygen at a metered rate. Once a breath is detected, the device will return to its normal delivery mode. 

Reviewer’s Choice 

A combination of lightweight and compact design with options for both pulse and continuous flow settings make the Philips Respironics SImplyGo Portable Oxygen Concentrator one of the best choices for portable oxygen concentrators at an affordable price.  
The Oxygen Concentrator Supplies Shop is an authorized online retailer of all these portable oxygen concentrators. The Oxygen Concentrator Supplies Shop does not recommend any of these portable oxygen concentrators exclusively. You can buy any of these portable oxygen concentrators on our website. This article is based on the author’s choice from the data available on the internet/user manual of the products. 

Where Can I Buy Portable Oxygen Concentrators? 

You can purchase all of these reviewed portable oxygen concentrators conveniently online at The Oxygen Concentrator Supplies Shop. We offer these products and more to help all of our customers continue living healthy lives. If you would like assistance ordering or want to learn more about any product, our expert team would be happy to help. Give us a call at 888-941-1688. 


The author is not affiliated in any way with any of these concentrator brands, so the review of these products constitutes publicly-available information by the brands. Additionally, this post does not constitute medical advice in any way. It is recommended to discuss the specifics of any oxygen products with your doctor before ultimately purchasing a device to ensure you have the right equipment for your needs. This information is for educational purposes only.