As a user of portable oxygen therapy, you understand the importance of having a reliable and efficient oxygen concentrator. The Inogen One G3 is a popular choice among oxygen therapy users due to its portability, ease of use, and efficient oxygen delivery. 

In this article, we will explore the key features and benefits of the Inogen One G3, as well as provide guidance on how to charge Inogen One G3.

Key Features of the Inogen One G3

The Inogen One G3 is a lightweight and compact oxygen concentrator weighing only 4.8 pounds. It is designed to provide Pulse Dose Oxygen Therapy efficiently and effectively during all phases of daily activity, including nighttime use. 

The device comes with integrated batteries and AC/DC power supplies, making it ideal for active oxygen therapy users who need oxygen 24/73.

Benefits of the Inogen One G3

The Inogen One G3 offers several benefits that enhance the user experience:

  • Portability: The device is lightweight and easy to carry, allowing users to move freely without being restricted by oxygen tanks.
  • Efficient Oxygen Delivery: The Inogen One G3 provides efficient oxygen delivery, ensuring that users receive the required oxygen flow rate.
  • Long Battery Life: The device can operate for several hours on a single battery charge, reducing the need for frequent recharging.
  • Easy to Use: The Inogen One G3 has a user-friendly interface, making it easy to operate and adjust settings as needed.

Charging the Inogen One G3

To ensure continuous oxygen supply, it is essential to charge the Inogen One G3 regularly. Here are the steps to follow:

  1. Connect the AC Power Supply: Plug the AC power supply cord into an electrical outlet and connect the power output plug to the top of the G3 concentrator.
  2. Charge the Battery: The battery will start charging when the device is plugged in. A solid red light indicates that the battery is charging, and a green light indicates that it is fully charged.
  3. Use DC Power: The Inogen One G3 can also be charged using a DC power source, such as a car’s power outlet.

Additional Accessories

The Inogen One G3 comes with several accessories that enhance its functionality:

  • Carry Bag: The carry bag provides protection and ease of transport, with a handle and adjustable shoulder strap.
  • External Battery Charger: The external battery charger allows users to charge additional batteries, ensuring continuous oxygen supply.
  • Nasal Cannula: A nasal cannula is required to deliver oxygen from the concentrator to the user.


The Inogen One G3 is a reliable and efficient portable oxygen concentrator that enhances the freedom and independence of oxygen therapy users. 

By following the simple charging steps and using the additional accessories, users can ensure continuous oxygen supply and enjoy an active lifestyle.

Inogen One G3 Specifications


Feature Description
Weight 4.8 pounds
Power Supply AC/DC
Battery Life Several hours
Oxygen Delivery Pulse Dose Oxygen Therapy
Accessories Carry bag, external battery charger, nasal cannula


By understanding how to charge the Inogen One G3 and utilizing its features, oxygen therapy users can enjoy a more active and independent lifestyle.