Inogen One G4 Portable Oxygen Concentrator

(6 customer reviews)

The Inogen One G4 portable oxygen concentrator is one of the lightest portable units in its class.  It weighs less than 4 pounds with an 8-cell battery and has 3 settings. The 8-cell battery can hold up to a 4 hour charge. The Inogen G4 portable oxygen concentrator is great for both local use, and use while traveling. It has the ability to charge in the car or in the wall and can be used simultaneously while charging. The charger and other accessories are included with the  Inogen One G4.

The Inogen One G4 also has an easy to read LCD screen so you will always know what setting you are on, as well as the exact percentage of battery life when mobile.

Description

The Smallest, Lightest Inogen Oxygen Concentrator Ever Made

The Inogen One G4 is the small and lightest portable oxygen concentrator that Inogen has ever made. Purchasing an Inogen One G4 will provide more freedom, more mobility, and less concern.

This model promotes an active lifestyle; it’s not a too heavy or too uncomfortable to carry and so it’s not a burden on the user. This is the perfect portable oxygen concentrator to exercise with, making it a great choice for seniors who want to exercise regularly.

A single battery lasts up for 2 hours and 40 minutes, with the option for an extended battery for up to 5 hours of continuous use.

Please contact us directly for any additional promotions for this product!

Price: $2,295.00 
Weight: 2.8 lbs (with 4 cell battery)
Dimensions: 7.2″ H x 5.98″ W x 2.68″ D
Decibel Level 40
FAA Approved Yes
Flow Settings 1 to 3 Pulse Dose
Power: 100 to 240 VAC, 50/60 Hz, 1.7 A Max
Warranty 1 year
Operating Ranges Up to 10,000 Feet

6 reviews for Inogen One G4 Portable Oxygen Concentrator

  1. Oxygen Always Reviews

    I had the Inogen G3 and it became too heavy for me. Oxygen Always bought back the G3 and sold me the G4. The G4 is very loud and the battery doesn’t last as long. We were very disappointed and sent the G4 back. I would not recommend this product. Now we are using a much quieter portable and can manage much better. – Barb

  2. Oxygen Always Reviews

    The battery life is no where near what is advertised and the unit weighs more than 2.8 lbs with the 8 cell battery. I do like the small size, but it needs to last longer. – Stan

  3. Oxygen Always Reviews

    I love this unit! It is very light and easy to use! We also didn’t have to pay an arm and a leg. – Curtis

  4. Oxygen Always Reviews

    The battery life is too short and it is much heavier with the bigger battery. Oxygen Always took the unit back for a trade-in and I am much happier now. Anything is better than the tanks, but if I am going to spend money on a battery operated generator it needs to last – Susan

  5. Oxygen Always Reviews

    My wife and I purchased an Inogen G3 from the manufacturer 3 years ago and paid a fortune! We wanted to go with something lighter and Inogen would not buy the unit back or take it for a trade in. We sold our G3 to Oxygen Always and got the G4. It is much lighter but the battery life is very short. – Alfred

  6. Oxygen Always Reviews

    I need a lightweight portable and love this unit! It is quiet and easy to carry. Thank you Oxygen Always for giving me back my freedom! – Craig

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Resources

Accessories

  • AC Power Supply
  • DC Power Cable
  • Shoulder Strap
  • Carry Bag
  • Particle Filter
  • Cannula and Manual

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