Inogen One G4

The smallest portable oxygen concentrator

Inogen One G4 is the smallest and lightest portable option. It is the ideal solution when weight and size are more important than battery life and oxygen volume.

1-3 settings

With 3 settings, representing an equivalent of 1 to 3 litres a minute, this little machine fits most people’s needs!

Lightweight and long battery life

With the single battery, for up to 2.5 hours of autonomy, the weight is only 1.28 kg! With the double battery, for up to 5 hours of autonomy, the weight is still no more than 1.5 kg.

Inogen One G4

The smallest portable oxygen concentrator

A breakthrough in portable oxygen

The Inogen One G4 is a breakthrough in portability, only 1.28kg and so small you can wear it on a belt.

The operation is as you’re used to from the portable oxygen concentrators from Inogen. Logical, simple and accurate.

The Inogen One G4 is a Pulse flow system, like all other portable devices of Inogen. With 3 settings a powerful device, suitable for most people who use portable oxygen concentrators.

The G4 is your ideal travel companion.

Specifications Inogen G4 oxygen concentrator



1,28 kg with 4 cell single battery and just 1,5 kg with 8 cell double battery



Height 15 cm, width 6, 8 cm and length 18,3 cm


Noise level

40 dBA *


Flow settings

3 Puls flow settings, adjustable from 1 tot 3


Battery life

Single 4 cell battery up to 2,5 hour *

Double 8 cell battery up to 5 hour *

* In setting 1

Conec Care

Conec Care is official distributor of Inogen. We rent and sell Inogen all over Europe and through our sister companies also in Kenya and South America. You can visit us on request, but we like to come to you for a demo. We can help you also easily on a distance.

Call us on + 31 85 48 99 400 for an appointment or for more information.