Inogen One G3 Portable Oxygen ConcentratorInogen One G3 Portable Oxygen Concentrator with CannulaWoman with Inogen One G3 Enjoying a Meal with Her HusbandMan with Inogen One G3 Portable Oxygen Concentrator Fishing
Inogen One G3 Portable Oxygen Concentrator

G3 System

The Inogen One G3 delivers the independence of a portable oxygen concentrator in one of the smallest, lightest and quietest packages available to the oxygen user today.

With the Inogen G3 oxygen concentrator, you can jump in the car to run errands or take a weekend trip to see family anytime you want. And, since the Inogen One G3 meets FAA requirements, you can even take it on a plane to go on vacation! The Inogen G3 oxygen concentrator makes traveling with your supplemental oxygen supplies as easy as possible to help improve your quality of life on oxygen therapy.

The Inogen One G3 is your one portable solution for oxygen at home, away and for travel, 24/7. It’s oxygen therapy on your terms. Enjoy improved freedom, mobility and independence with the Inogen G3 oxygen concentrator. Oxygen. Anytime. Anywhere.®

Scroll below for more information about the Inogen G3 oxygen concentrator, including the technical specifications, the accessories included with the Inogen G3 oxygen concentrator system

Compare Inogen Portable Oxygen Concentrators   G3 set up video  
What's Included
Technical Specifications
  • Inogen One G2 and G3 AC Power Supply
    AC Power Supply
  • Inogen One G3 and G4 DC Power Cable
    DC Power Cable (G3)
    DC Power Cable for Inogen One G3 System
  • Inogen One G3 Single Battery
    (1) G3 Single Battery
    Battery duration up to 4.7 hours
  • Inogen One G3 Carry Bag
    Carry Bag (G3)
    Inogen One G3 Carry Bag with adjustable shoulder strap


4.8 lbs


8.75 × 3.0 × 8.25 in (Height includes single battery)

Oxygen Flow

Intelligent Delivery Technology®

Five flow settings from 1-5

Power Settings

AC Power Supply 100-240V, 50-60Hz

(auto sensing to allow worldwide use)

DC Power: for mobile use in car/airplane


Duration (single battery): up to 4.7 hours

Duration (double battery): up to 10 hours

Noise Level

39 dBA*


Designed for stationary, portable, and travel

*On Setting 2

Additional Accessories

External Battery Charger (G3)

$285 $199.50

Inogen One G3 External Battery Charger
External Battery Charger (G3)

$285 $199.50

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Backpack (G3)

$100 $70.00

Inogen One G3 Backpack
Backpack (G3)

$100 $70.00

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G3 Double Battery

$495 $346.50

Inogen One G3 Double Battery
G3 Double Battery

$495 $346.50

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