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 (POC) can be difficult with so many options available from numerous manufacturers. Use the following tips to select a POC 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 POC 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 ConcentratorThe 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 very comfortable to use. The unit weighs only 6 lbs when equipped with its batteries.  Additionally, this concentrator is FAA-approved, meaning users can travel on an airplane with it.

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, the 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 ConcentratorThe Philips Respironics SimplyGo portable oxygen concentrator is a reliable and convenient addition to your oxygen therapy needs. It is very compact, offering a sleek look and the lightest concentrators that offer both continuous flow and pulse dose oxygen delivery. Weighing 10 lbs, the Respironics SimplyGo POC 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 including 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 ConcentratorPhilips Respironics has reinvented the market with the arrival of the SimplyGo Mini portable oxygen concentrator. It is very lightweight, compact, and designed to be easily transported. It is the successor of SimplyGo and 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 ConcentratorThe SeQual Eclipse 5 Portable Oxygen Concentrator is one of the few portable oxygen concentrators that offers both continuous flow and pulse dose oxygen settings. This unit’s continuous flow settings range from 0.5 to 3LPM (liters per minute) and can be adjusted in increments of 0.5LPM. It weighs just about 18 pounds with the battery installed, but also includes a mobile cart that makes it easy to transport.

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 5 POC is 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 G3 Portable Oxygen Concentrator

Inogen One G3 Portable Oxygen ConcentratorThe Inogen One G3 was designed to help users continue living their independent life! This portable oxygen concentrator weighs 5 lbs and is easy to travel with. For even more portability, the Inogen One G3 comes with a carrying bag or can be paired with the optional backpack accessory. This Inogen One device offers 5 pulse dose settings, which can easily be changed using the device’s flow control buttons.

Inogen One G3 – Unit Specification

  • 4-8 hour charge time
  • Adaptive response to activity
  • Up to 5.8 lbs with battery
  • Breath detection alert mode
  • Intelligent oxygen delivery system
  • Includes handy carrying case
  • Troubleshooting alerts and alarms


  • Lightweight
  • Long battery life
  • Compact design


  • Weights more than G5
  • Less battery life than G5

Editor Review

The Inogen One G3 is smaller, lighter, and more efficient than its predecessor, the Inogen One G2. At only 5 lbs, you can hold it with one hand without much trouble and it comes equipped with a sleek, carry case with a handle that can be worn over your shoulder for even more portability.

Inogen One G4 Portable Oxygen Concentrator

Inogen One G4 Portable Oxygen ConcentratorThe Inogen One G4 is a perfect lightweight portable oxygen concentrator that weighs only 2.8 pounds. It is one of the lightest, most compact concentrators on the market. It delivers oxygen in 3 Pulse Dose settings and provides hours of therapy with the optional extended battery. It is user-friendly, FAA-approved, and has many features.

Inogen One G4 – Unit Specification

  • Smallest and lightest POC
  • Easy to operate with a 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 G5

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 breach is detected, the device will return to its normal delivery mode.

Inogen One G5 Portable Oxygen Concentrator

Inogen One G5 Portable Oxygen Concentrator The Inogen One G5 is a POC that delivers oxygen in six pulse dose settings. The oxygen concentrator delivers a measured dose of oxygen to the nasal passage to provide comfortable oxygen therapy. With an approximate service life of 5-years, the Inogen One G5 has an average operational value of 38dBA.

Inogen One G5 – Unit Specification

  • Weights less than 5 pounds
  • Intelligent Delivery Technology
  • Six Pulse Dose settings
  • Up to 13 hours battery duration
  • Breath detection
  • FAA approved
  • Large, intuitive controls and a bright, backlit display


  • Quiet
  • Lightweight-less than the G3


  • Less battery duration than the Caire FreeStyle

Editor Review

This portable oxygen device includes several built-in alarms and alerts to let users know when it is not functioning properly. Examples of some of these alerts include no breath detected, battery low, operating temperature high/low, and system failure.

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 find these POCs at The Oxygen Concentrator Supplies Shop, where you will receive expert help with your product selection. Give us a call at 888-941-1688.