Inogen One G5 Portable Oxygen Concentrator


Inogen One G5 Portable Oxygen System

Independence. That’s what oxygen users really get from the Inogen One G5 portable oxygen concentrator. At home and on the go, the Inogen One G5 achieves the independence that you’ve been missing – not just for running errands or short trips out of the house, but real independence – true spontaneity. You can now take off on a moment’s notice, without having to watch the clock or guess how long your oxygen supplies will last. The Inogen One G5 is not simply a stationary device, not simply a portable one. The Inogen One G5 oxygen concentrator is designed to be one device to serve all your needs.
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  •  Light and small.  .  (4.8 pounds/2.1kgs)
  • Can be used 24/7
  • Flow settings from 1-6
  • One solution for oxygen at home, away, and for travel, 24/7
  • Extremely quiet
  • Low power usage – save hundreds of dollars in electricity!
  • Extended run-time battery runs 10 hours on a single charge! (depending on flow setting )
  • No More Tanks to refill
  • No More deliveries
  • It’s small, lightweight, clinically proven, suitable for stationary and portable use, during the day and at night and can go virtually anywhere any time!


Weight: 2.3 KG with  4 hour battery .
Size: Length: 8.75 inches (22.23cm), Width: 3.0 inches (7.62cm), Height: 8.25 inches (20.96cm)**
Flow Setting: Six  flow settings from 1-6
Noise Level: 42 Decibels*
Battery: Comes with either a small 8 cell or a large 16 cell battery (included in the price. )
 Duration (single battery): up to 4 hours*
Duration (double battery): up to 10 hours*
Recharge 3 hours (single battery) with AC or DC power*
Recharge 4.5 hours (double battery) with AC or DC power*
Power Sensing: AC power supply 100-240V, 50-60Hz (auto sensing to allow worldwide use)
Mobile Power Charger for mobile DC use (will recharge battery)
Operation: Simple control functions and easy-to-read LCD display
Use: Stationary, portable, and travel
Warranty: 5  year parts and labour warranty included  
1 year warranty for battery and column sieves ( consumables ).

* At setting 2
** Includes single battery


A recent independent review compared the Inogen One G3  to three other portable oxygen concentrators, read the report here

Price for G5 with a 16 cell battery  (10 hours approximately at 2lpm  -depending on flow )

NZD $5500        including  GST 

Price for G5 with an 8 cell battery (5 hours approximately -depending on flow )

NZD $5150       including GST

Extra batteries can be purchased from me. 16 cell battery $830 including GST
                                                                       8 cell battery $530 including  GST

I also stock G3 and G5  backpacks for hands free use. 

 We offer  free delivery and a free phone consultation to ensure you are buying the correct machine to meet your needs. I can also talk  your respiratory nurse if requested. Follow up phone calls are also available if required .