Slightly Used Inogen One G3 Portable Oxygen Concentrator

Slightly Used Inogen One G3 Portable Oxygen Concentrator


What’s Included:

✔︎ Slightly Used Inogen One G3 Portable Concentrator
✔︎ 8-Cell Battery (16-Cell Battery Available for Additional Cost)
✔︎ AC Power Supply
✔︎ DC Power Supply
✔︎ Custom Carrying Case
✔︎ Shoulder & Handle Strap
✔︎ Cannula
✔︎ Filter
✔︎ Manual
✔︎ 3 Year Warranty


✔︎ 8-Cell or 16-Cell Battery Options
✔︎ Now Offering Upgraded Pulse Flow Settings 1-5
✔︎ Requires Minimal Maintenance
✔︎ Clean and Replace Filters Regularly in Seconds
✔︎ Small Design for Easy Portability
✔︎ Intelligent Delivery Technology
✔︎ US Shipping & Handling Included in Price*

*Call 1-800-269-0726 to Talk to One of Our Respiratory Specialists*


Slightly Used Inogen One G3Portable Use of the Inogen One G3

Live the life you want to live, and the life you want to live probably doesn’t entail being cooped up in your home all because of the many restrictions bulky oxygen tanks impose.

Those days will be a thing of the past the instant you receive your slightly used Inogen One G3, delivering a wide range of pulse flow settings so you will stay saturated in a full range of activities, excessively lighter than oxygen tanks, and one of the most exciting features is the slightly used G3 is FAA approved for use during flights.

The slightly used Inogen One G3 delivers the most sought after features of the slightly used G2, except in a device that is 35% smaller, 30% less weight, and produces 27% more oxygen per pound than the slightly used Inogen One G2 POC.

The reduction in specs were to give you the patient more freedom and keep you better saturated at all times, the little weight the slightly used G3 carries means you can travel, shop, play golf, grab a cup of coffee with friends, and so much more without straining your body.

If you are an oxygen patient that requires a pulse setting of 1 – 5, ditch your oxygen tanks and upgrade to the high quality of life you should be enjoying with the slightly used Inogen One G3 POC!

Advantages of the Slightly Used Inogen One G3:

  • Smaller and Lighter than the slightly used G2
  • 35% Smaller and 30% Less Weight than the slightly used G2
  • Goes Wherever You Go Without Weighing You Down
  • Weighs in at 4.8 lbs w/ 8 Cell Battery and 5.8 lbs w/ 16 Cell Battery
  • Comfort and Protection at all Times of Use
  • Offers a Protective Carrying Case with a Padded Shoulder Strap
  • Delivers Uninterrupted Oxygen 24/7, Even While Sleeping
  • Comes Loaded with State of the Art Sleep Mode Technology

5 Pulse Flow Options with Nighttime Use 

  • Pulse Settings 1 – 5

Independence with the Inogen One G3Enjoy the ability to walk, sleep, exercise, and relax while always knowing that you are adequately saturated.

This assurance is thanks to the four pulse flow options that the slightly used Inogen One G3 portable concentrator offers, as well as the advanced breath sensing of the Intelligent Delivery Technology that allows for nighttime use by increasing each bolus dose as your breathing rate lowers.

This technology even has the ability to pick up shallow mouth breaths that are common while sleeping, which then triggers a bolus dose based upon the fixed minute volume.

As most patients are able to sleep with this technology, you should first speak with your doctor before using this while catching some sleep.

Upgrade to the Unrestrictive Life of Rechargeable Batteries

How often do you have to call your current oxygen provider to drop off fresh oxygen tanks? Or how much time do you spend each

day waiting for your oxygen tanks to refill with your filling station?

Too often and too long may resemble the answers in your head, stop putting your life on hold and start improving your life with the freedoms that rechargeable batteries provide!

The slightly used Inogen One G3 even gives you the option to choose the battery duration and weight that benefits you most. Offering a single 8-cell battery that comes standard or an additional cost double 16-cell battery option.

Allowing you to better customize the slightly used G3 to your lifestyle needs. If you want the lightest overall package then the 8-cell is your go to option, or if you don’t mind a little additional weight in exchange for longer operation the 16-cell battery is calling your name.

Single 8-Cell Battery Life:

Flow Rate 8-Cell Battery Life
1 Up to 6 Hours
2 Up to 4 Hours
3 Up to 3 Hours
4 Up to 2 Hours
5 Up to 1.7 Hours

Double 16-Cell Battery Life:

Flow Rate 16-Cell Battery Life
1 Up to 12 Hours
2 Up to 8 Hours
3 Up to 6 Hours
4 Up to 4 Hours
5 Up to 3.3 Hours

*Battery life is dependent on patient’s breaths per minute (BPM)

Charging Time:

  • Single 8-Cell Battery: 2 – 5 Hours
  • Double 16-Cell Battery: 4 – 10 Hours

The best option so you aren’t waiting for a battery to charge to resume using the slightly used G3, consider purchasing one or two additional batteries so you can be charging one while still being able to receive your prescription of supplemental oxygen.

Freedom to Charge the Way You Like

  • AC Power Supply
  • DC Power Supply
  • Inogen External Battery Charger

Charging the Inogen One G3 In the CarOptions are always better and when your battery dies either on the go or at home, you will be glad you have different charging options available.

You can’t guarantee that you will be near a power outlet when your slightly used G3 dies, which is why the G3 has the ability to charge on the go through a standard cigarette lighter outlet with the DC power supply.

Giving you the ability to charge in your car, truck, SUV, boat, and R.V.

Even better is you won’t miss a pulse of oxygen, as it works and charges batteries on all settings when using the DC power supply.

If you only have a single battery and are planning a cleaning day or just a relaxing day watching your favorite T.V. show at home, the AC power supply will be your go to charging option.

The slightly used AC power supply is auto sensing allowing it to be used worldwide. Simply plug the power supply into the unit and into a wall outlet, you will have access to all settings and flow options throughout the duration of the charging cycle so you never miss a breath.

Whether you have a full day of errands or you just have a few chores to do around the house, if you have more than one battery for your slightly used G3 you will want to have the external battery charger in your oxygen accessory arsenal.

Plugging into a wall outlet, like the AC power supply, the external charger allows for you to toss a depleted battery on the charger while you go about your day using your other battery to power the device.

Clear, Crisp, Easy to Read Control Panel

Inogen One G3 Control PanelHow often have you bought something only to open it up and turn it on and not be able to read the small print?

That won’t be the case when you power up the slightly used Inogen One G3, offering a crisp LCD display with an illuminated background so you can operate it even with minimal light.

The LCD display will also show the selected flow setting while also providing patients with a digital battery gauge and an estimated run time.

Other features on the control panel include only what is needed to minimize confusion.

The control panel has a power button, flow control, a display backlight button, and an audible alarm button so you can be notified if something goes wrong. When using audible alarms an alarm icon will appear on the LCD screen as a reminder.

Enjoy Supplemental Oxygen with Minimal Maintenance

You will never have to be an oxygen technician with the slightly used G3 by Inogen, which means the only preventative maintenance you will have to regularly do is cleaning and replacing the oxygen inlet filter on the backside of the machine.

Washing only requires soap and warm water, be sure to let them air dry before inserting them back into the concentrator.

Protection Matched with Ultimate Comfort

Included with the purchase of the slightly used Inogen One G3 POC is the trendy, protective, and relaxed fit custom carrying case. The carrying case even features a shoulder and handle strap, so you can carry it or wear it around your shoulders for true hands free operation.

As far as protection is concerned, the carrying case will protect your investment from bumps, scratches, and drops associated with everyday use.

Slightly Used Inogen One G3 Accessories:

  • 8-Cell Battery
  • 16-Cell Battery
  • AC Power Supply
  • DC Power Supply
  • External Battery Charger
  • Custom Carrying Case
  • Particle Filter

*Shipping and Handling Included in the US Excluding Alaska & Hawaii


Dimensions: 7.25” Wide x 3.0” Deep x 8.75” High
Weight: 4.8 Pounds
Flow Rate: Pulse Setting 1-5
Battery Life: Up to 4 Hours on Setting 2 w/ 8-Cell Battery; Up to 8.5 Hours on a Setting 2 w/ the 16-Cell Battery
Power: 100-240 VAC 50/60Hz; Auto Sensing to allow Worldwide Use
FAA Approved: Yes
Warranty: 3 Years
Operating Altitude Range: 0-10,000 Feet

Additional information

Weight 14.0 lbs


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