Compare Inogen One G2 and Inogen One G3 with LifeChoice Activox Pro

The LifeChoice Activox is a portable oxygen concentrator from Inova Labs.

This concentrator is the loudest of our comparison with 46 decibel. It has 3 pulse settings. According to the manufacturer, this compares to a maximum of 3 liters per minute. The battery lasts long, but unfortunately can’t be replaced by the user. There is an optional external battery available.

The power consumption is quite high with 110 Watt. The warranty on the sieve beds is limited to 1 year. These can’t be replaced by the user, so if the sieves need replacement, the concentrator will have to be repaired out of warranty.

Return to the overview with all portable oxygen concentrators.

	Inogen One G2	Inogen One G3	Inova Labs LifeChoice ActiVox Pro
Weight (including battery)	3,2 kg	2,2 kg	2 kg
Size	27 x 10 x 24 cm	22 x 8 x 18 cm	23 x 20 x 11,1 cm
Noise @ pulse dose setting 2	38 dB	39 dB	46 dB
Delivery technology pulse dose	Fixed Minute Volume	Fixed Minute Volume	Undisclosed
Max bolus size @ 20 BPM	63 ml	52,5 ml	Undisclosed
Number of pulse dose settings	6	5	3
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	Up to 7:15 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	Up to 110 Watt
Power consumption when charging battery	75 - 90 Watt	65 - 85 Watt	Up to 110 Watt
Integrated DC Power Supply	×	✔	×
Trigger sensitivity	-0,12 cm H2O	-0,12 cm H2O	Undisclosed
Warranty on concentrator	3 years	3 years	3 years
Warranty on sieve beds	3 years	1 year	1 year