Compare Inogen One G2 and Inogen One G3 with Invacare XPO2

The Invacare XPO2 is a portable oxygen concentrator from Invacare. Its weight and size are right between the Inogen One G2 and Inogen One G3. The concentrator has 5 pulse settings.

The internal battery lasts a little over 2,5 hours. It is not replaceable by the user. There is an optional supplemental external battery pack; this has to be carried separately from the concentrator.

The 3 years warranty on the Invacare XPO2 is limited with 2 years on the compressor.

Return to the overview with all portable oxygen concentrators.

	Inogen One G2	Inogen One G3	Invacare XPO2
Weight (including battery)	3,2 kg	2,2 kg	2,9 kg
Size	27 x 10 x 24 cm	22 x 8 x 18 cm	25,4 x 18 x 10 cm
Noise @ pulse dose setting 2	38 dB	39 dB	42,7 dB
Delivery technology pulse dose	Fixed Minute Volume	Fixed Minute Volume	Fixed Minute Volume
Max bolus size @ 20 BPM	63 ml	52,5 ml	42 ml
Number of pulse dose settings	6	5	5
Continuous flow	×	×	×
Sieves replaceable by user	×	✔	×
Different battery options	✔ (single or double battery)	✔ (single or double battery)	✔ (only external battery pack)
Battery runtime @ pulse dose, setting 2, standard battery	Up to 5 hours	Up to 4,5 hours	2:40 hours
Battery can be replaced by user	✔	✔	×
Concentrator can be used and charge battery simultaneously on DC power	✔	✔	✔
Power consumption	25 - 49 Watt	19 - 40 Watt	Undisclosed
Power consumption when charging battery	75 - 90 Watt	65 - 85 Watt	Undisclosed
Integrated DC Power Supply	×	✔	×
Trigger sensitivity	-0,12 cm H2O	-0,12 cm H2O	-0,20 cm H2O
Warranty on concentrator	3 years	3 years	3 years  (2 years on compressor)
Warranty on sieve beds	3 years	1 year	3 years