Airsep Freestyle 5
- 90-95%
- Portable (Battery-powered)
- 1-5Pulse setting
Philips SimplyGo Portable Oxygen Concentrator
- 90-96%
- Portable (Battery powered)
- 0.5-2LPM
Airsep Freestyle 5 and Oxlife Liberty 2 Portable Oxygen Concentrator are both Portable (Battery-powered) Portable (Battery-powered) Oxygen Concentrators with purity 90-95 %. However, they differ in areas such as Purity, Battery Duration, Type and Continuous Flow.
Below is a detailed comparison of Airsep Freestyle 5 and Oxlife Liberty 2 Portable Oxygen Concentrator to help you understand their specifications, features, advantages, and key differences.
| Compare | ||
|---|---|---|
| Brand | AirSep | O2 concepts |
| Rating | ||
| Warranty |
3 year warranty
|
2 year warranty
|
| Purity | 90-95 % | 90-96 % |
| Battery Duration | — | 4.5 hours |
| Type | Portable (Battery-powered) | Portable (Battery powered) |
| Continuous Flow | — | 2 LPM |
| Pulse Flow | 1-5 Pulse setting | 1-10 Pulse setting |
| mL dose | 8.75 mL | 8-80 mL |
| Weight | 2.8 kg | 3.4 kg |
| Operating altitude | 12000 feet | 10000 feet |
| Battery backup (at 2 pulse setting) | 2 hours | 4 hours |
| Recharge time | 3 hours | 2.5 hours |
| Backup with external battery pack | 7 hours | 9 hours |
| Oxygen Purity Indicator (OPI) | No | Yes |
| Sound level | 41 db | 58 db |
| Dimensions | 10.7H x 6.6W x 4.4D inch | 9.9 × 3.8 × 9.9 inch |
| Oxygen Purity % Analyzer | No | Yes |
| Indian Voltage Model | Yes | Yes |
| Loss of Power Alarm | No | No |
| Company Headquarters | USA | USA |
| System Malfunction Alarm | Yes | No |
| No Flow Alarm | Yes | No |
| US FDA Approved | Yes | Yes |
| FAA Approved | Yes | Yes |
| CE Certified | Yes | Yes |
| User Replaceable Sieve Beds | — | Yes |
| Literature | ||
| Brochure | Download Brochure | Download Brochure |
| User manual | Airsep Freestyle 5 User Manual | Oxlife Liberty 2 Portable Oxygen Concentrator User Manual |
| Service manual | Airsep Freestyle 5 Service Manual | - |
Airsep Freestyle 5 is listed as a Portable (Battery-powered) oxygen concentrator, while Oxlife Liberty 2 Portable Oxygen Concentrator is listed as a Portable (Battery powered) oxygen concentrator.
Airsep Freestyle 5 provides pulse flow of 1-5 Pulse setting, while Oxlife Liberty 2 Portable Oxygen Concentrator provides pulse flow of 1-10 Pulse setting.
Both models provide medical-grade oxygen, with Airsep Freestyle 5 listed at 90-95 % and Oxlife Liberty 2 Portable Oxygen Concentrator listed at 90-96 % across their flow range.
Airsep Freestyle 5 comes with 3 year warranty, while Oxlife Liberty 2 Portable Oxygen Concentrator comes with 2 year warranty.
Both Airsep Freestyle 5 and Oxlife Liberty 2 Portable Oxygen Concentrator are headquartered in USA.
Oxlife Liberty 2 Portable Oxygen Concentrator has an Oxygen Purity Indicator while Airsep Freestyle 5 lacks this feature. A LED light turns on when purity drops below therapeutic level (typically below 82%).
Oxlife Liberty 2 Portable Oxygen Concentrator has an Oxygen Purity % analyser while Airsep Freestyle 5 lacks this feature. This means Oxlife Liberty 2 Portable Oxygen Concentrator can display the actual oxygen purity percentage on the screen. Whether the purity percentage is shown continuously or needs to be accessed using a button combination depends on the availability of the 24x7 Live Purity Display feature.
Airsep Freestyle 5 weighs 2.8 kg, while Oxlife Liberty 2 Portable Oxygen Concentrator weighs 3.4 kg. A lighter model is generally easier to move and handle.
Airsep Freestyle 5 measures 10.7H x 6.6W x 4.4D inch, while Oxlife Liberty 2 Portable Oxygen Concentrator measures 9.9 × 3.8 × 9.9 inch.































