ResMed Mobi vs Inogen One G4 Portable Oxygen Concentrators

Michael Jones
5 min readDec 13, 2018

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Both ResMed and Inogen are highly popular and trustworthy medical grade device providers. They have a huge popularity among patients and their different devices are highly regarded and trusted. If you are looking for a top professional, high quality and performance portable oxygen concentrator you can choose between the Inogen One G4 and the ResMed Mobi. Let’s check out the main differences and similarities between the two, as well as the main highlights of each device.

Inogen One G4 Portable Oxygen Concentrator

Inogen One G4 is a portable oxygen concentrator, designed to help patients enjoy more freedom of movement, better compliance, and greater overall therapy comfort. The system has a quiet operation and an oxygen delivery system that is highly intelligent. Patients can use the Inogen One G4 POC even on a continuous basis if needed.

Inogen One G4 is also one of the lightest and smallest portable oxygen concentrators you can find on the market. Patients with COPD and other related diseases are continuously looking for concentrators that help them become more independent and devices which help them enjoy more freedom of movement and peace of mind wherever they are.

  • Inogen One G4 weighs only 2.8 pounds
  • Intelligent oxygen delivery system
  • Up to 2.7 hours of continuous usage with a 4Cell battery
  • 5 hours functioning on setting 1 ; 4.3 hours on setting 2 and 2.3 hours on setting 3

Inogen One G4is a portable oxygen concentrator which is FAA compliant. This means you can take your POC with you for use on an aircraft. However it is important to keep in mind that airlines have different requirements when it comes to POC use on a plane. Make sure to check with your airline prior to traveling and see if you can take your device with you on the aircraft for treatment purposes.

When purchasing Inogen One G4, this is what is included in the box:

  • Inogen One G4 main unit
  • 4Cell Battery (or 8Cell battery if you want to buy one)
  • Inogen One G4 ac Power supply
  • Inogen One G4 DC power cable

There are three different flow settings that you can use on the Inogen One G4. The device delivers the oxygen in a “pulse dose”, which means it will deliver one bolus of oxygen, at the required level/setting whenever you take a breath. You can charge the POC at home, or even while traveling thanks to the included accessories.

Inogen One G4 has been designed for continuous use. You can use your unit during the day, but also during the night if needed. The concentrator “senses” when you are in Active mode and it will deliver oxygen levels to meet your current breathing needs. Depending on your physical activity level, the concentrator will deliver a smaller or a larger bolus of oxygen into your lungs in order to meet your breathing needs and requirements. Whenever it “senses” that you are sleeping and your respiratory rate becomes slower, the POC will also deliver oxygen boluses at slower rates.

Top Highlights

  • Size: 5.91” wide x 2.68” deep x 7.2 inches high
  • Weighs only 2.8 pounds with the single battery included
  • Approved by the FAA for use on an aircraft
  • convenient Pulse Dose delivery
  • 3-Year warranty offered by the manufacturer

ResMed Mobi Portable Oxygen Concentrator

ResMed Mobi is one of the newest additions to the market of portable oxygen concentrators. It is a device equipped with plenty of intelligent and technically advanced features. ResMed Mobi is capable of adjusting to your exact respiratory needs, by delivering each bolus of oxygen based on your breathing rate. The device can even make the difference between the Rest mad Active modes. When you are physically active, your oxygen needs are higher, so the POC will deliver oxygen accordingly. When in Rest mode, the POC will deliver slower oxygen boluses to satisfy your idle position breathing needs.

Mobi by ResMed comes with a highly intelligent interface. You can easily read the main display, and also check on therapy related details such as battery level, or even checking out the times when the POC delivers each bolus of oxygen. The device has an intuitive control panel which helps you keep track of all important therapy and device operation related details.

For example, the device will display to you the Alarm with the highest priority on the screen. This way, you can instantly check which is the most important alarm (such as a low battery for example). Then, the PulseWave symbol will show when a breath is detected and then the unit delivers a bolus of oxygen. On the User Mode display, you can check out the inhalation sensitivity modes (Rest vs. Active modes). This particular setting will change on an automatic basis, based on your activity levels.

Mobi by ResMed represents a smart choice for patients looking for high portability, ease of use, performance and quick compliance. Even first time users can quickly become compliant with the required oxygen therapy. Mobi has been particularly designed to help patients enjoy greater freedom of movement and more peace of mind. The POC definitely encourages an active lifestyle:

  • Lightweight
  • Ultra compact
  • Different carrying options- backpack or shoulder bag

Mobi is also a POC approved by the FAA. You can take treatment with you wherever you go, and the FAA approval is listed on a label right on the bottom part of the main unit. The package includes several accessories such as AC/DC charging options, stylish carry bag, while you can purchase separately the external battery for extended operation or the backpack carry bag for even more comfort and freedom of movement.

Now you can easily compare the two types of Portable Oxygen Concentrators and make a smart choice. Always choose the option which best suits your personal needs and your physician might also help you in selecting the right type of POC. Both Inogen and ResMed are indeed highly trustworthy names in the industry, and regardless of which one you will choose you cannot go wrong.

You can buy both of these machines from here:

https://www.sleeprestfully.com/ResMed-Mobi-Portable-Oxygen-Concentrator/

https://www.sleeprestfully.com/Inogen-One-G4-Portable-Oxygen-Concentrator/

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