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Inogen One G5 Oxygen Concentrator

G5 System

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Introducing the Inogen One G5, our most versatile portable oxygen concentrator, delivering 6 flow settings in a compact and lightweight device. 

The Inogen One G5 delivers medical grade oxygen on the go. Weighing 5.7 lbs and providing up to 13 hours of battery power*, many patients feel empowered to carry it around as they perform activities such as running errands, walking with friends or taking a flight to visit family. The Inogen One G5 also meets FAA requirements for air travel.

When it comes to warranties**, Inogen understands peace of mind is important. We’ve put together two customer warranties to best suit your individual needs. Our first option is a standard Three-Year Warranty, while the Lifetime Warranty makes sure your concentrator is covered for life.  No matter which warranty you choose; you can always depend on Inogen.

The Inogen One G5 can be your single solution for supplemental oxygen at home, on the go or while traveling, 24/7 (with access to a power supply).

Discover how the Inogen One G5 can help improve your quality of life and help you breathe better. It’s oxygen therapy on your terms. Oxygen. Anytime. Anywhere.®

Scroll below to see the Inogen G5 oxygen concentrator accessories included with the Inogen One System, as well as the technical specifications.  

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.

* With a double battery and on a flow setting of 1

** To view Inogen’s Limited Warranty Statement, please click here

Weight Weight:
5.7 Pounds
Flow Settings Flow Settings:
1 - 6
Dimensions Dimensions:
Height: 9.03 IN.
Length: 7.19 IN.
Width: 3.26 IN.
Battery Duration Battery Duration:
Double Battery up to 13 hours @ Flow Setting 1
Sound Level:
38 dBA @ Flow Setting 2
Inogen Connect:
Bluetooth Mobile App
What's Included
Technical Specifications
  • G5 AC Power Cable
    AC Power Supply
    AC power supply for the Inogen One G5
  • Inogen One G3, G4 and G5 DC Power Cable
    DC Power Cable
    DC Power Cable for the Inogen One G5
  • G5 Double Battery
    Battery duration up to 13 hours.
  • G5 Carry Bag
    G5 Bag
    The G5 bag provides a protective covering for your Inogen One G5.


 5.7 lbs. w/a double battery


7.19 × 3.26 × 9.03 in (Height includes double battery)

Oxygen Flow

Intelligent Delivery Technology®

Six flow settings from 1-6

Power Settings

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

(auto sensing to allow worldwide use)

DC Power: for mobile use in car/airplane


Duration (double battery): up to 13 hours @ flow setting 1

Noise Level

38 dBA @ flow setting 2


Concentrator: 3 Years or Lifetime

Concentrator Sieve Beds and Accessories: 1 year

See Limited Warranty Statement for details.


Designed for stationary, portable, and travel


Additional Accessories

Inogen One G3/G5 Cart


Inogen One G3/G5 Cart

Inogen One G3/G5 Cart


More Details   
External Battery Charger (G5)


G5 External Battery Charger

External Battery Charger (G5)


More Details   

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