Inogen One G2 Portable Oxygen ConcentratorInogen One G2 Portable Oxygen ConcentratorInogen One G2 Portable Oxygen ConcentratorInogen One G2
Inogen One G2 Portable Oxygen Concentrator

G2 Three-Year Warranty System

3-year warranty

The Inogen One G2 is designed to be a single solution for stationary, portable, and travel oxygen therapy.

With the Inogen One you can jump in the car to run errands, take a weekend trip to see family, or even take it on a plane to go on vacation!

The Inogen One G2 is one solution for oxygen at home, away, and for travel, 24/7. It’s oxygen therapy on your terms.

Click “Add to Cart” to order your Inogen One G2 today and reclaim YOUR freedom!

Scroll below to see the listed accessories included in the Inogen One System. 

*Inogen Systems require a qualifying RX prior to shipment. Once you place an order an Inogen Oxygen Specialist will follow up with you to help you gather your RX information.
30 Day Risk-Free Trial and Free Shipping offers apply to purchases only.

compare to g3 systems  
Weight Weight: 7 Pounds
Flow Settings Flow Settings: 1 - 6
Dimensions Dimensions:
Height: 9.5 IN.
Length: 10.7 IN.
Width: 3.9 IN.
Battery Duration Battery Duration: Single Battery: Up to 5 hours, Double Battery: up to 10 hours
What's Included
Technical Specifications
  • Inogen One G2 Carry Bag
    Carry Bag (G2)
    Custom bag with adjustable shoulder strap for carrying the Inogen One and accessories
  • Inogen One G2 Cart
    Cart (G2)
    Custom made, lightweight cart on wheels with telescoping handle
  • Inogen One G2 DC Power Supply
    DC Power Supply (G2)
    Inogen One G2 Universal Power Supply
  • Inogen One G3 AC Power Supply
    AC Power Supply
  • Inogen One G2 Single Battery
    (1) G2 Single Battery
    Battery duration up to 5 hours

7.0 lbs

10.7 × 3.9 × 9.5 in

Oxygen Flow
Intelligent Delivery Technology®
Six flow settings from 1-6

Power Sensing
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 5 hours
Duration (double battery): up to 10 hours

Noise Level
38 dBA*

Concentrator: 3 Years
Accessories: 1 year
See Limited Warranty Statement for details.

Designed for stationary, portable, and travel

*On Setting 2

Compare to G3 Product Specifications  

Portable Oxygen Concentrator And Medicare Insurance
Call 1-800-630-3144 for a Free Eligibility Check

Follow these 4 easy steps:

Step 1:
Call Us today and we’ll check your eligibility with Medicare or your Insurance company for free with no obligation.

Step 2:
We’ll work directly with your doctor to see if the Inogen One is right for you and obtain the required paperwork.

Step 3:
Next, we’ll test your oxygen levels with one of our staff nurses or respiratory therapists to make sure the Inogen One is meeting your needs defined by your doctor.

Step 4:
After you return the Medicare/Insurance paperwork, the last step is to remove your current oxygen equipment and to finally say goodbye to all those tanks. At that point you’ll be on service with Inogen and part of our growing family..

Thousands of oxygen users have already switched to Inogen’s service and reclaimed their freedom and independence with the Inogen One.

Other G2 Systems Packages

G2 Freedom Package 2
G2 Freedom Package 2
Lifetime warranty
Includes the G2 standard system package plus:
  • One single battery
  • One double battery
more details  
G2 Freedom Package 1
Lifetime warranty
Includes the G2 standard system package plus:
  • Three single batteries
more details  

Additional Accessories

G2 Double Battery


G2 Double Battery


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Backpack (G2)


Backpack (G2)


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External Battery Charger (G2)


External Battery Charger (G2)


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Request a FREE Info Kit