Inogen One G4 Portable Concentrator

New 2020 Model
Only 2.8 Pounds
1 to 3 Pulse Setting

30 Day Risk Free Trial

Free Express Shipping

Drop-it Protection

System Battery Options

Single Battery (2 Hrs)
Double Battery (4 Hrs)
Home Charger
Car Charger
External Battery Charger

System Includes

1 – Small Battery 2 Hrs

AC home/DC car Power

Carry Bag & User Manual


Best Service Program In The Business • Don’t Settle For Less

1. 30-Day Risk-Free Trial

      If you’re not satisfied with the portable concentrator you purchased, we’ll exchange it for the

      portable oxygen concentrator that meets your oxygen needs.

2. Trade-In Upgrade Program

       If you need to Upgrade to a Higher Flow Oxygen Portable Machine or a Lighter Portable.

3. Warranty Transfer Program

       If you sell your portable to a third party, we’ll continue to support the manufacturer warranty.

4. Free Lifetime Technical Support and Software Upgrades

       We are here to answer any questions about your portable oxygen system.

5. Automatic Replacement Program

      If your portable oxygen needs repair while under warranty, we will provide you with a


6. Best Price Buy Back Program

       If you do not have a need for the portable in the future.

7. Free Drop-It Insurance

        No extra charge if you drop your Inogen G4.*

Accessories for Inogen One G4

Inogen One G4

Large Double Battery

Inogen One G4

External Battery Charger


Mesh Backpack

Inogen One

G4 Hip Bag

Customer Reviews

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