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The Inogen One G4 System includes the AC Power Supply (#BA-401), DC Power Cable (#BA-306), single or double battery, Carry Strap (#CA-401), and Carry Bag (#CA-400).

Warranty: 3 Years - Free from Defects in Materials and Workmanship under Normal Use and Service.

Note: This product only ships to addresses in the US.

Enjoy the independence of a portable oxygen concentrator with the Inogen One G4 System. Coming in at an incredibly light 2.8 lb (single battery) or 3.3 lb (double battery), the G4 is one of the smallest, lightest, and quietest concentrators available today.


Inogen One G4 System Features

  • Choose from three distinct flow settings (1 - 3).
  • 4 cell battery (single) lasts for up to two hours.
  • 8 cell battery (double) lasts for up to four hours.
  • Can be used 24/7 no matter whether you're at home, away, or traveling.
  • Meets all FAA requirements - meaning you can take your G4 on a plane.


Inogen One G4 System Specifications

  • Weight: 2.19 lb (no battery), 2.8 lb (4 cell single battery), 3.3 lb (8 cell double battery).
  • Dimensions:
    • Unit: 5.91" (L) x 2.68" (W) x 6.45" (H).
    • With Single Battery: 5.91" (L) x 2.68" (W) x 7.15" (H).
  • Oxygen Flow: Three flow settings from 1 - 3.
  • Noise: 40 dBA on setting two.
  • Warm-Up Time: Two minutes.
  • Oxygen Concentration: 90 +6/-3%.
  • Battery Life:
    • 4 Cell (Single):
      • Duration: Two hours.
      • Recharge Time: Up to three hours with AC or DC power.
    • 8 Cell (Double):
      • Duration: Four hours.
      • Recharge Time: Up to five hours with AC or DC power.
  • Power Settings:
    • AC Power Supply:
      • Input: 100 to 240 V, 50 to 60 Hz, 1.5 A.
      • Output: 19 V, 3.42 A.
    • DC Power Cable:
      • Input: 13.5 to 15.5 V, 10 A.
    • Rechargeable Battery: 12.0 to 16.8 V.
  • Environmental Ranges Intended for Use:
    • Temperature: 41 to 104 °F (5 to 40 °C).
    • Humidity: 0 to 95%, non-condensing.
    • Altitude: 0 to 10,000 ft (0 to 3048 m).
  • Environmental Ranges Intended for Storage:
    • Temperature: -13 to 158 °F (-25 to 70 °C).
    • Humidity: 0 to 95%, non-condensing.
    • Altitude: 0 to 10,000 ft (0 to 3048 m).
  • Operation: Simple control functions and an easy-to-read LCD display.
  • Use: Designed for 24/7 use and conforms to all applicable FAA requirements for POC use on board an aircraft.


Inogen One G4 System Configurations

  • #IS-400-NA: With 4 Cell (Single) Battery.
  • #IS-400-NA8: With 8 Cell (Double) Battery.


Inogen One G4 System Accessories

The following are compatible and commonly purchased with the Inogen One G4 System:

  • #BA-306: Inogen One G3/G4 DC Power Cable.
  • Inogen One G4 Battery:
    • #BA-400: 4 Cell (Single).
    • #BA-408: 8 Cell (Double).
  • #BA-401: Inogen One AC Power Supply.
  • #BA-403: Inogen One G4 External Battery Charger with Power Supply.
  • #CA-400: Inogen One G4 Carry Bag.
  • #CA-401: Inogen One G4 Carry Strap.
  • #CA-450: Inogen One G4 Carry Backpack.
  • #RP-405: Inogen One G4 Particle Filter.
  • #RP-406: Inogen One G4 Replacement Column Pair.

Customer Reviews

Based on 1 review
Charles D. (Florida, United States)

Cannot buy with Credit or Debit card. So no good for me.

Thank you for taking the time to write a review for the Inogen One G4 System. I'm sorry to hear that you weren't able to purchase the product using a Credit or Debit card, as that was not the intended use of the system. If you have any other questions or concerns about the product, please don't hesitate to reach out to our customer service team. Thank you for your feedback!