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Portable Oxygen Comparison Chart

Pulse Dose Portable Oxygen Concentrators

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AirSep FreeStyle 3

AirSep FreeStyle 5

AirSep Focus

Inogen One G3

Respironics EverGo

Invacare XPO2

Pulse Dose Delivery Settings 1-3 1-5 2 1-4 1-6 1-5
Continuous Flow Setting None None None None None None
Battery Life (at setting of 2) 2.5 hours on internal battery (6 hours with AirBelt) 2 hours on internal battery (4.5 hrs. with AirBelt) 3 hours for 2 Batteries (included) 4 Hours with 8 Cell Battery (8 Hours with 16 Cell Battery) 8 Hours 2.5 Hours (5 Hours with supplemental Battery)
O2 Concentration 90% oxygen +5.5/-3% 90% oxygen +5.5 / -3% 90% oxygen +5.5% -3% Around 90% on all settings 90% +/- 3% 87% - 95.6% on all settings
Weight 4.4 lbs. 6.2 lbs. 1.75 lbs. 4.9 lbs. with 8 Cell Battery 10 lbs. with 2 Batteries 6 lbs. with Internal Battery / 7.3 lbs. with Supplemental Battery
Dimensions 8.6" (H) x 6.1" (W) x 3.6" (D) 10.7" (H) x 6.6" (W) X 4.4" (D) 6.4" (H) x 4.8" (W) x 2.5" (D) 8.75" (L) x 3.0" (W) x 7.25" (H) 8.5" (H) x 6" (W) x 12" (D) 10" (H) x 7" (W) x 4" (D)
Car Charger Compatible (included) Yes Yes Yes Yes Yes Yes
Battery will charge while operating? Yes Yes See "Product Overview" in the product page Yes Yes Yes
Manufacturer 3 Year 3 Year Limited 3 Year Limited 3 Year 2 Year Limited 5 Year
Warranty (on Machine) Limited     Limited   Limited
Recommended also for use at night (sleep)? Yes Yes Not suggested Yes Not suggested Not suggested
Sound Level (at setting 2) 41 dBl 38-44 dBl 38-44 dBl Less than 38 Decibels 43 dBl 44 dBl
FAA Approved? Yes Yes Yes Yes Yes Yes
Power Specifications AC Power: 100 - 240 VAC (1.0 amp at 120 VAC, 50/60 Hz); DC Power: 11-16 VDC (6.0 amps max at 13.5 VDC nominal), FreeStyle Unit: 28 W at the 3 setting AC Power: 100 - 240 VAC (1.0 amp at 120 VAC, 50/60 Hz); DC Power: 11-16 VDC (6.0 amps max at 13.5 VDC nominal), FreeStyle Unit: 28 W at the 3 setting 100-240 VAC, 50/60 Hz; 11-16 VDC; AC Power Supply 100-240V, 50-60Hz 110 W at 100 VAC (charging), 120 W at 240 VAC (charging); 70 W (not charging) DC Power Input: 18 VDC, 3.3 Amps AC Power Adapter Input: 100-240 VAC 50/60 Hz, 1.0 amps at 120 VAC DC Power Adapter Input: 11-16 volts, 12.6 volts nominal
Maximum Operational Altitude 12,000 ft. (3,657.6 m.) 12,000 ft. (3,657.6 m.) 12,000 ft. (3,657.6 m.) 10,000 ft. (3048 m) 8,000 ft. (2438.4 m) 10,000 ft. (3048 m)
Includes Mobile Cart? No No No Yes Yes Optional
Includes Carry case? Yes Yes Yes Yes Yes Yes
Includes 1 extra Battery? No No Yes No Yes No
External Battery Charger available? No No No Yes Yes, (Ask for availability) No


Continuous Flow & Pulse Dose Portable Oxygen Concentrators

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Respironics SimplyGo

SeQual Eclipse 5

DeVilbiss iGo

Invacare Solo 2

Continuous? / Pulse? Pulse & Continuous Pulse & Continuous Pulse & Continuous Pulse & Continuous
Continuous & Pulse Dose Delivery Setting Continuous: 0.5-2
Pulse: 1-6
Continuous: 0.5-3
Pulse (measured in ml): 16-96mL, 128mL, 160mL, 192mL
Continuous: 1-3
Pulse: 1-6
Continuous: 0.5-3
Pulse: 1-5
Battery Life Pulse dose, setting of 2: 3.7 Hours Continuous flow 1 LPM: 2 Hours Pulse flow setting of 1: Up to 4.4 hours
Setting of 6.0: Up to 2.1 hours
Continuous flow setting at 1.0 LPM: Up to 3.7 hours
Setting at 3.0 LPM: Up to 1.3 hours
Up to 4.7 hours on setting 2 2.6 hours at setting of 2
O2 Concentration 86 to 97% at all settings 90% +/- 3% @ sea level 91% +/- 3% for all flow settings 95.6%-87%
Weight 10 lbs. with 1 Battery 18 lbs. with Battery 19 pounds (8.6 kg) with Battery 18 pounds with Battery
Dimensions 11.5" x 10" x 6" 19.3" x 12.3" x 7.1" 15" x 11" x   8" 16.5" x 11" x 8"
Car Charger Compatible (included) Yes Yes Yes Yes
Factory Warranty (on Machine) 2 Year Standard, up to 5 year optional 3 Year Limited 3 Year Limited 3 Year Limited
Recommended also for use at night (sleep)? Yes Yes Yes Yes
Sound Level (at setting 2) 43-48 dBl 40-48 dBl 40-47 dBl 39-40 dBl
FAA Approved? Yes Yes Yes Yes
Maximum Operational Altitude 10,000 ft. (3048 m) 13,123 ft. (4000 meters) 13,123 ft. (4000 meters) 10,000 ft. (3048 m)
Includes Cart? Yes Yes Optional Yes
Includes case? Yes Yes Yes No
Includes 1 extra Battery? No No No No
External Battery Charger available? Yes Yes Yes No
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