Best Portable Oxygen Concentrators
About Portable Oxygen Concentrators
Portable oxygen concentrators (POCs) are lightweight, battery-powered devices that deliver medical-grade oxygen to patients with respiratory conditions, enabling mobility and independence. Unlike traditional oxygen tanks, POCs filter ambient air to provide a continuous supply of oxygen, are FAA-approved for travel, and offer adjustable flow settings to meet individual needs, making them ideal for active lifestyles.
Inogen: Empowering Respiratory Freedom
Inogen, Inc., a leader in respiratory care since 2001, is dedicated to enhancing the lives of patients with chronic respiratory conditions. Headquartered in Goleta, California, Inogen designs innovative portable oxygen concentrators that prioritize mobility, independence, and quality.

Best Portable Oxygen Concentrators
About Portable Oxygen Concentrators
Portable oxygen concentrators (POCs) are lightweight, battery-powered devices that deliver medical-grade oxygen to patients with respiratory conditions, enabling mobility and independence. Unlike traditional oxygen tanks, POCs filter ambient air to provide a continuous supply of oxygen, are FAA-approved for travel, and offer adjustable flow settings to meet individual needs, making them ideal for active lifestyles.
Inogen: Empowering Respiratory Freedom
Inogen, Inc., a leader in respiratory care since 2001, is dedicated to enhancing the lives of patients with chronic respiratory conditions. Headquartered in Goleta, California, Inogen designs innovative portable oxygen concentrators that prioritize mobility, independence, and quality.
The Best Portable Oxygen Concentrators
Features
- Cost: $1,703
- Weight: 18 pounds
- Dimensions: 7″ L x 13″ W x 16.5″ H
- Battery life: Not applicable; runs on electricity
- Battery charging time: Not applicable; runs on electricity
- Delivery/flow type: Continuous flow
- Range of flow settings: 1–5
- Noise level: 45 dB
Accessories
The At Home Oxygen Concentrator comes with the following supplies:
- Oxygen concentrator unit
- Wall (AC) charger/power cord
- Nasal cannula
- User manual
Additional information
The Inogen At Home oxygen concentrator is a light 18 pounds, which is almost half the weight of most home oxygen concentrators. Similar to Inogen’s more portable options, its noise level is around 40-45 decibels, allowing users to still hear a television or carry on a conversation while using the device. We also like the Inogen At Home device’s low power usage and space-saving design.
Features
- Cost: $2,882–$3,079, depending on the battery
- Weight:
- 4.7 pounds with single battery
- 5.7 pounds with double battery
- Dimensions:
- 7.19 inches long x 3.26 inches wide x 8.15 inches high with single battery
- 7.19″ L x 3.26″ W x 9.03″ H with double battery
- Battery life:
- 6.5 hours on setting 1; 5 hours on setting 2 with single battery
- Up to 13 hours on setting 1 with double battery
- Battery charging time: 4 hours for single battery
- Delivery/flow type: Pulse flow
- Range of flow settings: 1–6
- Noise level: 39 dB
Accessories
The Inogen One G5 comes with the following supplies:
- Portable oxygen concentrator unit
- Wall (AC) charger/power cord
- Car (DC) charger/power cord
- One rechargeable battery
- Custom carrying bag
- User manual
You can purchase additional accessories for your G5, such as a custom G5 backpack, carry bag, and cart to help transport your portable oxygen concentrator.
Additional information
The G5 has the longest battery life of the two portable models, reaching 6.5 hours on setting 1 with one battery and up to 13 hours with the optional double battery. This option is great if you’re looking for a long battery life. While the battery lasts longer, it does take 35 minutes longer to charge fully than the G4’s battery, clocking in at 4 hours of charging time.
Like the G4, the G5 has Bluetooth capabilities, allowing you to use your smartphone or tablet to connect to the Inogen Connect app to check the status of your filter, cannula, and battery life, and to access the user manual, FAQs, and troubleshooting tips. Having these resources available through your smartphone or tablet is convenient. It can make getting to know your portable oxygen concentrator easier, saving time and energy and helping you schedule recommended filter and cannula cleanings.
Features
- Cost: $1,895–$2,744, depending on the battery
- Weight:
- 2.8 pounds with single battery
- 3.3 pounds with double battery
- Dimensions:
- 5.91 inches long x 2.68 inches wide x 7.2 inches high with single battery
- 5.91″ L x 2.68″ W x 7.79″ H with double battery
- Battery life:
- 2 hours, 40 minutes on setting 1; 2 hours, 15 minutes on setting 2 with single battery
- Up to 5 hours on setting 1 with double battery
- Battery charging time: 3 hours, 25 minutes for single battery
- Delivery/flow type: Pulse flow
- Range of flow settings: 1–3
- Noise level: 40 dB
Accessories
The Inogen One G4 comes with the following supplies:
- Portable oxygen concentrator unit
- Nasal cannula
- Wall (AC) charger/power cord
- Car (DC) charger/power cord
- One rechargeable battery
- Custom carrying bag
- Carry strap
- User manual
Inogen offers additional accessories for purchase with the G4, such as a custom backpack, carrying bag, and hip bag for added convenience.
Additional information
The G4 is the most affordable Inogen portable oxygen concentrator with Bluetooth connectivity. It’s a great option for users looking for a lightweight, travel-friendly device. It can be charged via AC power in your home or DC power in a car or airplane. An external charger is also available for on-the-go convenience.
Drawbacks
The G4 has a few limitations compared to the G5. It has a shorter battery life, maxing out under 3 hours on a single battery and up to 5 hours on a double battery. It also offers fewer oxygen flow settings (1–3) than the G5 (1–6), limiting the amount of customization available.
The G4 is not water-resistant, although it can withstand light rain briefly when transferring between locations. Inogen recommends using the carrying bag for added protection and avoiding extreme temperatures below 41˚F or above 95˚F, as this can impact battery performance.
Inogen Connect App
The G4 supports the Inogen Connect App, which allows you to monitor your machine from a smartphone or tablet. The app displays:
- Filter life
- Nasal cannula life
- Battery cycles
- Battery status
It also provides software update alerts, making it easier to maintain the machine and keep it functioning efficiently. Filter and cannula reminders help you stay on schedule with maintenance tasks, and battery cycle tracking lets you know when it’s time for a replacement (the G4 battery supports up to 500 full charges).
The G4 may be a good fit for those looking for an ultra-lightweight machine with smartphone connectivity. If you need longer battery life, more flow settings, or a quieter device, the G5 may be a better fit.
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