Inogen One G4 Portable Oxygen Concentrator
Inogen One G4 Portable Oxygen Concentrator
Inogen One G4 Portable Oxygen Concentrator

Inogen One G4 Portable Oxygen Concentrator

Product Highlights

  • Lightweight and compact
  • Intelligent Delivery Technology
  • 3 Pulse dose settings
  • Multiple power options
  • Battery lasts up to 5 hours at pulse dose setting 1
  • Inogen® Connect Bluetooth mobile app
  • FAA-approved
  • Quiet operation
$2,744.00

  • Free Delivery

    Free delivery and returns

  • Worry-Free Trial

    30-Day easy returns

  • Warranty

    1-Year warranty policy

  • After-Sale Service

    10am - 5pm Support
Battery Size
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  • Product Details

  • Product Specifications

  • Additional Resources 

Inogen One G4 Portable Oxygen Concentrator Overview

The Inogen IS-400 is a lightweight, portable oxygen concentrator offering reliable oxygen therapy for individuals with respiratory conditions. Its compact design allows users to carry the device easily, promoting an active lifestyle without the restrictions of traditional oxygen tanks. Intelligent Delivery Technology customizes the oxygen dose based on breathing rate, providing intuitive and flexible oxygen therapy regardless of activity. The POC’s sensitive breath detection ensures the user receives the necessary oxygen level while at rest, delivering supplemental oxygen whenever needed.

Additional Features

  • Weighing 2.8 Pounds With the 4-Cell Single Battery and 3.3 Pounds With the 8-Cell Double Battery
  • Intelligent Delivery Technology Adjusts the Oxygen Dose Based on the User’s Activity Levels
  • Inogen® Connect Bluetooth Mobile App Allows Users To Monitor and Manage Their Oxygen Therapy Conveniently From Their Smartphones
  • Approved for Use on Commercial Flights, Making It Ideal for Travel
  • Built To Withstand Daily Use and Various Environmental Conditions
  • Can Be Operated Using Battery Power During Transport With the Carry Strap and Bag
  • Carry Bag With a Detachable Carry Strap Provides a Protective Cover

What's Included 

  • Inogen One G4 Portable Oxygen Concentrator
  • (1) Rechargeable battery
  • Carry strap
  • Carry bag
  • AC/DC power supplies
  • User manual
  • Inogen Connect app (where available)
  • Standard 3-year or lifetime limited warranty

Product Specifications

  • Manufacturer: Inogen
  • Brand: One G4
  • Product Numbers: IS-400-NA8, IS-400-NA, IS-408-S
  • Application: Portable Oxygen Concentrator
  • Operating Temperature: 41° to 104° Fahrenheit (5° to 40° Celsius)
  • Operating Humidity Range: 0% to 95% Non-Condensing
  • Operating Altitude: 0 to 10,000 Feet Above Sea Level
  • Transport/Storage Temperature Range: -13° to 158° Fahrenheit (-25° to 70° Celsius)
  • Transport/Storage Humidity Range: 0% to 95% Non-Condensing
  • Maximum Outlet Pressure: 20 PSI
  • Maximum Output: 630 mL/min; 31.5 mL @ 20 BPM
  • Country of Origin: United States
  • HCPCS: E1390
  • User: Adult
  • Portable: Yes
  • FAA Compatable: Yes
  • Warranty: Standard 3-Year or Lifetime Limited Warranty for Concentrator; 1-Year Warranty for Sieve Beds and Accessories

Inogen One G4 Dimensions and Weight

  • Length x Width x Height: 5.91 x 2.68 x 6.5 Inches
  • Weight: 2.2 Pounds

Rechargeable Lithium-Ion Battery Options

  • 4-Cell Single Battery:
  • Weight: 0.62 Pounds
  • Device With Single Battery (Length x Width x Height): 5.91 x 2.68 x 7.2 Inches
  • Battery Duration: 2.7 Hours @ Setting 1
  • Battery Recharge Time: Less Than 3 Hours
  • 8-Cell Double Battery:
  • Weight: 1.11 Pounds
  • Device With Double Battery (Length x Width x Height): 5.91 x 2.68 x 7.79 Inches
  • Battery Duration: 5 Hours @ Setting 1
  • Battery Recharge Time: Less Than 5 Hours

Oxygen Flow Settings

  • Pulse-Dose Settings: 3
  • Flow Control Settings: 1 to 3
  • Flow Rate: 3 Liters Per Minute
  • Oxygen Concentration: 90% - 3% /+ 6% At All Settings

Power Options

  • AC Mains Input: 100-240 Volt AC, 50/60 Hertz; Auto-Sensing (Allowing For Worldwide Use): 1.0A
  • DC Input: 13.5-15.5 Volt DC,10A Max
  • Rechargeable Battery Voltage: 12.0 to 16.8 Volt DC

Operating Sound

  • Sound Level: 40 dBA At Setting 2