Compare Inogen One G2 and Inogen One G3 with Respironics SimplyGo

The Respironics SimplyGo is a portable oxygen concentrator from Philips. This concentrator gives a continuous flow with a maximum of 2 liters per minute, and has 6 pulse settings. To be able to produce a continuous flow the concentrator is a little bigger and heavier than the Inogen One concentrators.

The battery lasts up to 3 hours. There are no options to extend the battery runtime with a larger or external battery. The internal battery can be replaced by the user. The power consumption is quite high with 120 – 150 Watt.

In contrary to most manufacturers, Philips Respironics only gives a 2 year warranty on the concentrator.

Return to the overview with all portable oxygen concentrators.

	Inogen One G2	Inogen One G3	Respironics SimplyGo
Weight (including battery)	3,2 kg	2,2 kg	4,5 kg
Size	27 x 10 x 24 cm	22 x 8 x 18 cm	29 x 25,4 x 15 cm
Noise @ pulse dose setting 2	38 dB	39 dB	43 dB
Delivery technology pulse dose	Fixed Minute Volume	Fixed Minute Volume	Uniform Pulse
Max bolus size @ 20 BPM	63 ml	52,5 ml	72 ml
Number of pulse dose settings	6	5	6
Continuous flow	×	×	0,5 - 2 LPM
Sieves replaceable by user	×	✔	×
Different battery options	✔ (single or double battery)	✔ (single or double battery)	×
Battery runtime @ pulse dose, setting 2, standard battery	Up to 5 hours	Up to 4,5 hours	Up to 3 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	120 Watt
Power consumption when charging battery	75 - 90 Watt	65 - 85 Watt	150 Watt
Integrated DC Power Supply	×	✔	×
Trigger sensitivity	-0,12 cm H2O	-0,12 cm H2O	Undisclosed
Warranty on concentrator	3 years	3 years	2 years
Warranty on sieve beds	3 years	1 year	2 years