SKU: S19446

Inogen One G5 Portable Oxygen Concentrator


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Inogen innovation sets a new standard in oxygen delivery with the G5 portable oxygen concentrator. The Inogen One G5 offers the most oxygen per kilogram for a portable oxygen concentrator. With an efficient and lightweight design, the Inogen One G5 offers fluctuating flow settings from 1-6 and is engineered for 24-hour use, boosting your independence.

It can be charged at home or on the go giving you the freedom of oxygen. Anytime. Anywhere. The Inogen One G5 is your one solution, your single solution, for oxygen at home or away.


The Inogen One G5 portable oxygen concentrator weighs just 2.2kg with its battery, making it both smaller and lighter than the Inogen One G3. It can be charged at home or on the go—giving you the freedom and independence to where you want, when you want, and at a moment’s notice!

Key features include:

  • Compact and lightweight unit – it weighs just 2.2kg with single battery
  • High flow oxygen settings from 1-6
  • Intelligent pulse oxygen delivery
  • Concentrated oxygen for 24 hour use
  • Easy-to-read symbolized LCD display
  • Simple control functions
  • User-replaceable batteries and sieve beds
  • Warranty period of 3 years

The Inogen One G5 comes with the following:

  • 8 cell single battery
  • AC power supply
  • DC power cable
  • Custom carrying case
  • Shoulder strap
  • Tubing
  • Filter
  • To compare the Inogen G5 with the G3, read our blog.

    Please note that a prescription is required for you to purchase medical oxygen.

    Additional information




    2.2kg (4.7 lbs) includes single battery


    18.26cm (7.19 inches)


    8.28cm (3.26 inches)


    20.7cm (8.15 inches)

    Oxygen flow

    Pulse dose delivery system
    Six flow settings: 1-6


    AC power supply 100-240V, 50-60Hz
    (auto sensing to allow worldwide use)
    DC power cable: for mobile use in car


    Duration (single battery): Up to 6.5 hours. Recharge up to 3 hours with AC or DC power.
    Duration (double battery): Up to 13 hours. Recharge up to 6 hours with AC or DC power.

    Noise level

    38 dBA*


    Simple control functions and easy-to-read LCD display
    Inogen Connect App


    Designed for 24/7 use and conforms to all applicable FAA requirements for POC use on board an aircraft.


    Inogen One G5 Portable Oxygen Concentrator – Brochure

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    Our experienced phone sales team can assist you with any product enquiries and help you make a purchase directly on the phone. We are available anytime between 9am and 5pm, Monday to Friday.

    Product Enquiry

    How much does the Inogen One G5 Weigh?

    The the Inogen One G5 is one of the most lightest oxygen concentrators on the market today. With a single battery it weighs  just 4.7 pounds. With a double battery it weighs 5.7 pounds.

    What are the measurements of the Inogen One G5?

    The light and compact Inogen One G5 measures at 8.15” H x 3.26” W x 7.19” L.

    How long does the Inogen One G5 batteries last?

    With the single battery it can be utilized up to 5 hours of use on a single charge on setting 2. While using the double battery you can get up to 10 hours of use on a setting 2.

    What is the best way to recharge the Inogen One G5 battery?

    There are 3 different ways that you can recharge your Inogen One G5 battery and each one is just as effective as the last.

    You can plug your G5 into the AC power supply or the DC power supply to recharge your battery and use your concentrator at the same time. You can also use the optional Inogen One G5 external battery charger. This will allow you to charge one battery at a time without having to plug your oxygen concentrator in.

    How long does it take for the Inogen One G5 to recharge?

    The single battery takes a maximum of four hours to charge. The double battery takes up to 8 hours. 

    What is the maximum oxygen output on the Inogen One G5?

    Since the Inogen One G5 is a pulse flow machine, it only offers pulse flow settings from 1-6.

    What is the maximum operating altitude range of the Inogen One G5?

    The Inogen One G5 is equipped with a maximum operating altitude range of 0-10,000 feet. Utilizing the Inogen One G5 at above 10,000 feet, the performance of the oxygen concentrator may depreciate. 

    Are you an Inogen One authorized dealer?

    Oxygen Solutions is the official Australian distributor and the only authorised service centre of the Inogen One, the world’s most popular portable oxygen concentrator and the professional’s choice for mobile oxygen therapy.