Inogen One G5 Portable Oxygen Concentrator

by Inogen
Save 13%

Living with oxygen therapy is not the most convenient lifestyle. Fortunately, modern technology offers portable oxygen concentrators that promote mobility and independence among oxygen-dependent patients.

Inogen One G5 Basic Package Includes

  • Inogen One G5 
  • 8 Cell Battery (16 Cell Upgrade Optional)
  • G5 Custom Carry Case
  • AC Power Supply
  • DC Power Supply (Car/Vehicle Charging)
  • User Manual 
  • 3 Year Warranty
  • LIFETIME Technical Support

The Inogen One G5 is one of the top-rated portable oxygen concentrators on the market today. It offers reliable oxygen delivery using the lightest and quietest device.

It is a model designed to be used on the go and accompany you to your trips and activities with ease. Inogen One G5 only weighs less than 5 pounds promoting great portability perfect for active people who require oxygen therapy.

This device has pulse dose flow settings of 1 to 6, offering a wider range of oxygen delivery. It has a battery life of up to 10 hours that is convenient enough to use when you are out all day.

Like the previous model (Inogen One G4), G5 has Bluetooth connectivity that can be used with the Inogen Connect App. It will allow you to remotely monitor your concentrator through your mobile phone.

Inogen One G5 is also FAA approved, which means it is allowed for in-flight use. It is definitely a unit that will allow you more freedom in your daily activities and will remove barriers to an active and fun life.

Request More Information

Inogen One G5 Components

  • Concentrator
  • Single battery
  • AC power supply and cord
  • DC power cable
  • Bluetooth System

Inogen One G5 Features & Benefits

  • Pulse dose flow settings of 1 to 6
  • Long battery life of up to 10 hours at setting 2
  • Easily chargeable
  • Designed to accommodate both low and high-flow oxygen patients
  • Utilizes Inogen’s Intelligent Pulse Delivery Technology
  • Bluetooth connectivity using the Inogen Connect App
  • Offers the same oxygen purity as the larger concentrators
  • It has no tanks that need refill or replacement
  • Compact design that is very small, quiet, discrete, and lightweight
  • Standard warranty of 5 years
  • Meets the standard of the Federal Aviation Authority for in-flight use

Inogen One G5 Size

  • Width: 7.19 inches (18.26 cm)
  • Height: 8.15 inches (20.7 cm)
  • Depth: 3.26 cm (8.28 cm)
  • Concentrator Weight: 4.7 lbs with a single battery, 4.8 lbs with a double battery
  • Carry Bag Weight: Lightweight
  • Battery Weight: 0.1 lb

Inogen One G5 Performance

  • Maximum Pulse Flow Minute Volume: 1260 mL/min at pulse setting 6
  • Oxygen Concentration: at least 87% at all settings (maximum of 96%)
  • Pulse Flow Settings: 6 flow settings

Inogen One G5 Operating Conditions

  • Noise Level: 39 dBA at flow setting2 
  • AC Input: 100 to 240 VAC, 50/60 Hz
  • DC Input: 13.5 to 15.5 VDC, 120 W max
  • Battery: 8-Cell Single Battery, 16-Cell Double Battery
  • Battery Duration: 6.5 hours (single battery), 10 hours (double battery)
  • Battery Recharge Time: 4 hours (single battery), 8 hours (double battery)
  • Humidity: 0% to 95%
  • FAA Approved: Yes
  • Altitude: up to 10 000 ft (3048 m)

Inogen One G5 Available Accessories

Inogen One G5 Specifications Table




4.7 lbs


7.19 in x 3.26 in x 8.15 in

Oxygen Concentration

87% to 96% purity level

Flow Settings

Pulse flow settings 1 to 6

Sound Level

39 dBA at normal pulse setting 2


AC Power: Input 100 to 240 VAC, 50/60 Hz

DC Power: Input 13.5 – 15.5 VDC, 120W max

Battery Duration

Up to 6 hours at pulse setting 2 (single battery)

Up to 10 hours at pulse setting 2 (double battery)

Charge Time

Maximum recharge time of 4 hours (single battery from fully discharged to fully charged)

Maximum recharge time of 8 hours (double battery from fully discharged to fully charged)

Operating Conditions

Temperature: 42 F to 104 F (5 C to 40 C)

Humidity: 0% to 95%, non-condensing

Altitude: Up to 10 000 feet (3048 m.)


Carrying Case, Accessory Bag, Shoulder Strap, Manual Tubing, Battery, AC and DC power supply


Standard 5-Year Warranty

Inogen One G5 Resources

  • Inogen One G5 Manual
  • You can read the Inogen One G5 manual here. Take your time to know how you can properly operate your device.

  • Inogen One G5 Editorial Review
  • Check out this comprehensive and detailed review of the Inogen One G5 that will help you understand more about the device.

    Buy Inogen One G5 at Sprylyfe

    Have you decided to buy the top-rate, high-quality portable oxygen concentrator? Get your very own Inogen One G5 at Sprylyfe and avail a good discount.

    You can enjoy free shipping, a 30-day Money Back Guarantee, and you can also choose from different payment plans. You will also be accommodated by helpful product specialists and experience very responsive customer support.

    Inogen One G5 Frequently Asked Questions

    Can I drive with an Inogen One G5 portable oxygen concentrator?

    Yes, driving with an Inogen One G5 portable oxygen concentrator is possible and very easy. As long as the user knows how to do it, driving will just be a piece of cake.

    If you want to know the guidelines and tips for doing so, you can check out this article.

    Can I sleep with an Inogen One G5 portable oxygen concentrator?

    Yes, aside from driving, sleeping is also possible while using your Inogen One G5 portable oxygen concentrator. You just have to take note of the pointers and information about sleeping while undergoing oxygen therapy.

    You might want to spare some time to read this guide and know the things you have to keep in mind.

    Can anyone use an Inogen One G5 portable oxygen concentrator?

    No, not anyone can use the Inogen One G5 or portable oxygen concentrators in general. It is also advised for use only in serious respiratory cases like chronic obstructive pulmonary disease (COPD), pulmonary fibrosis (PF), and at severe stages of emphysema.

    To get a detailed answer to this question, read this article.

    Can I buy an Inogen One G5 portable oxygen concentrator with no prescription?

    Yes, although you generally need a prescription when buying portable oxygen concentrators like Inogen One G5. Today, you can simply browse for POCs in online markets, but note that you can only settle for non-medical grade concentrators without a prescription.

    To know more about this interesting question, read this article that discusses details about it.

    What are the benefits of using an Inogen One G5 portable oxygen concentrator?

    There are a lot of benefits to using portable oxygen concentrators like Inogen One G5. It is very lightweight, durable, and reliable as it can deliver oxygen enough for your needs. 

    POCs allow freedom and independence that massive oxygen machines limit. To know more benefits of portable oxygen concentrators, this blog will help you.

    How many watts does Inogen One G5 produce?

    The amount of watts that portable oxygen concentrators, including Inogen One G5, produce range from 120 to 600 watts. The larger the watts produced by the device, the higher its power usage is.

    You can deeply understand this concept through this guide about watts and portable oxygen concentrators.

    How long does Inogen One G5 last?

    Inogen One G5 can deliver oxygen 25/7, and its battery runs for up to 10 hours. With regular maintenance and proper use, your device can last for a long time since it is proven durable.

    Generally, portable oxygen concentrators have a lifespan of four to seven years. Read and learn more about it through this blog.

    Do you sell a pre-owned and refurbished Inogen One G5 portable oxygen concentrator?

    Sprylyfe does not only sell brand new portable oxygen concentrators as it also offers pre-owned and refurbished ones. You can see this list yourself for the prices.

    However, since the inventory is constantly changing on the new and refurbished units, we encourage you to call us at 1-800-314-8225 immediately to secure a deal. 

    How does financing with Sprylyfe work?

    Sprylyfe ensures that customers are satisfied with the products and services. With that, we allow financing return and exchange on merchandise within 30 days of receipt.

    If you notice the unit has damage upon opening, call us at 1-800-314-8225 within 48 hours to raise your concern.