Product Specification Comparison

Compare the two latest Inogen One models, the Inogen One G4 and the Inogen One G5, to learn which model best fits your oxygen therapy needs. Compare weight, dimensions, battery life, flow settings, noise level and more. 

Because these are our most technologically advanced models, both the Inogen One G4 and Inogen One G5 offer the same Inogen Connect and Bluetooth capabilities. Using a free mobile app on your supported device, you can use Inogen Connect to check your battery, monitor your column life, ensure your Inogen One is operating properly and much more. Learn more about Inogen Connect and compare the Inogen One G4 and Inogen One G5 below.

  Inogen One G5 Oxygen Concentrator
Feature Inogen One G5 Inogen One G4
Weight 4.7 Pounds  2.8 Pounds
Dimension Length : 7.19 IN.
Width: 3.26 IN.
Height: 8.15 IN.
Length: 5.91 IN.
Width: 2.68 IN.
Height: 7.2 IN.
FlowSettings 1 – 6  1 – 3
BatteryDuration Single Battery up to 6.5 hours*,
Double Battery up to 13 hours*
Single Battery up to 2.7 hours*,
Double Battery up to 5 hours*
Noise Level 38 dBA** 40 dBA**
Both Systems Power Sensing
AC Power Supply 100-240V, 50-60Hz (auto sensing to allow worldwide use)
DC Power: for mobile use

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

Designed for stationary, portable, and travel

*Battery time varies with flow setting

**On Setting 2


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