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Inogen One G5 (Certified Pre-Owned)
Price range: US$1,295.00 through US$1,545.00
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- 6 Liters Per Minute, Pulse Dose.
- Lightweight, portable and innovative.
- 1-year warranty by Amox
- FAA approved.
- Included in the package: G5 Concentrator Certified Pre-Owned,
- Lithium-ion Battery: 16-Cell Battery or 8-Cell Battery (as chosen), AC Power Supply, DC Power Cable: Car Adapter, Carry Bag.
Inogen One G5 Certified Pre-Owned
Premium Technology, Pre-Owned Savings
The Inogen One G5 Certified Pre-Owned offers everything you expect from one of the top portable oxygen concentrators on the market—but at a significantly lower price. These units have been professionally refurbished, tested, and certified to ensure like-new performance.
Whether you’re managing COPD, recovering from surgery, or simply need mobile oxygen therapy, this is your chance to get a compact, travel-ready device trusted by thousands of users—for a fraction of the original cost.
Reliable Power. Real Freedom.
Weighing just 4.7 pounds and offering up to 13 hours of battery life, this device is designed to give you true independence—no matter where you are.
It includes:
- Five flow settings (1–5) via pulse dose delivery
- Quiet operation at just 39 dBA
- Intelligent Delivery Technology for efficient, responsive therapy
- LCD display and easy controls for confidence on the go
Every unit is backed by a 1-year warranty, and has passed inspection, deep cleaning, and full diagnostic testing.
Specifications
| Feature | Details |
|---|---|
| Weight | 4.7 lbs (with 16-cell battery) |
| Dimensions | 7.19 x 3.26 x 8.15 inches |
| Oxygen Flow | Pulse Dose (1–5), Intelligent Delivery |
| Battery Life | Up to 13 hours (flow setting 1, 16-cell) |
| Power Sources | AC (100-240V) / DC (Car/Airplane Adapter) |
| Noise Level | 39 dBA (on setting 2) |
| FAA Approved | Yes |
| Warranty | 1-year (device and accessories) |
What’s in the Package?
- ✅ Inogen One G5 Certified Pre-Owned Unit
- 1x 16-cell or 8-cell Rechargeable Battery
- AC Power Supply
- DC Power Cable (Car Adapter)
- Carrying Bag
- User Manual
Battery Runtime — Inogen One® G5® (Refurbished or New)
Assumptions: healthy battery (new or lightly used), room temperature, standard cannula, factory settings. Actual times vary with breathing pattern, altitude, ambient temperature, cannula length, and device/battery condition.
Pulse Mode — Estimated Runtime
| Flow Setting (Pulse) | 8-Cell Battery (BA-500) | 16-Cell Battery (BA-516) |
|---|---|---|
| 1 | ~6.5 h | up to ~13 h |
| 2 | ~5.0 h | ~10 h |
| 3 | ~3.5 h | ~7 h |
| 4 | ~2.5 h | ~5 h |
| 5 | ~1.8 h | ~3.5 h |
| 6 | ~1.5 h | ~3 h |
Frequently Asked Questions (FAQ)
1. What does Certified Pre-Owned mean?
It means the device has never been used in a clinical setting and has been fully inspected, cleaned, and tested by professionals to meet original standards.
2. Is it covered by a warranty?
Yes, it includes a 1-year warranty covering the concentrator, battery, and all included accessories.
3. How long does the battery last?
Up to 13 hours with the 16-cell battery (on setting 1). Battery duration depends on your oxygen flow setting.
4. Can I fly with it?
Absolutely. The G5 is FAA-approved and can be used in the cabin on most commercial airlines.
5. Why is it cheaper than a new unit?
You’re saving because it’s pre-owned and refurbished, but without compromising performance. It’s the same power, at a much more accessible price.
| Dimensions | 15 × 13 × 11 in |
|---|---|
| Condition | |
| Pulse settings | 6 |
| Warranty | |
| Operating Mode | |
| Battery Option |
30 reviews for Inogen One G5 (Certified Pre-Owned)
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David Frotelli –
Excellent device. Best price in the market!
David Frotelli –
Excellent device. Best price in the market!
Fernando Lucero –
Recomendado! Compré para mi padre desde Argentina el Inogen G5 y me llegó a New York cuando llegue a mis vacasciones, en 5 días. sin problema alguno, 100% Recomendable!
Fernando Lucero –
Recomendado! Compré para mi padre desde Argentina el Inogen G5 y me llegó a New York cuando llegue a mis vacasciones, en 5 días. sin problema alguno, 100% Recomendable!
Gustavo –
Mejor precio de Inogen G5! Compré y tenía equipos ya disponibles para entregar de forma local. Muchas gracias
Gustavo –
Mejor precio de Inogen G5! Compré y tenía equipos ya disponibles para entregar de forma local. Muchas gracias
Henry –
This machine solved all my problems traveling on oxygen. Thank you American Oxygen for your support and service.
Recommended 100%.
Henry –
This machine solved all my problems traveling on oxygen. Thank you American Oxygen for your support and service.
Recommended 100%.
Patrick –
most reliable equipment on the market. Thank you for the good service
Amanda –
The Inogen One G5 is the best POC! I have had it for a little over a year now and it has made my life so much easier. I am very active, so having an oxygen concentrator that is so portable and easy to use has been amazing.
Eugenio –
Muchas gracias por la atención recibida. Recibí el equipo Inogen G5 velozmente y sin problemas. Saludos!
Eugenio –
Muchas gracias por la atención recibida. Recibí el equipo Inogen G5 velozmente y sin problemas. Saludos!
Peter –
I absolutely love my Inogen One G5! It’s so much lighter and more compact than my old oxygen concentrator, and it’s so easy to use. I can’t believe how much freedom it has given me. I highly recommend it to anyone who needs oxygen therapy.
Florencia –
Ya contaban con equipos para entrega inmediata. Gracias por la atención.
Florencia –
Ya contaban con equipos para entrega inmediata. Gracias por la atención.
Miriam L. –
El Inogen G5 usado recertificado se encontró en perfecatas condiciones. Muchas gracias por la atención.
Miriam L. –
El Inogen G5 usado recertificado se encontró en perfecatas condiciones. Muchas gracias por la atención.
Guillermo Rojas –
Gracias por la paciencia y consideración. El Inogen G5 funciona como lo esperaba
Ron –
Recently purchased this Inonge G5 Bundle. Actually is the best value for the price! Thank you
Matteo Galan –
Excellent service and attention! A big thank you to the entire team, especially Rocco, for guiding me through the entire purchase process with professionalism and care.Highly recommended!
Matteo Galan (store manager) –
Excellent service and attention! A big thank you to the entire team, especially Rocco, for guiding me through the entire purchase process with professionalism and care.Highly recommended!
Carlos Alcantara –
Gracias American Oxygen, muy buen Servicio y super amables. Valio la pena viajar a Miami. Gracias por la guia, Saludos!!
Carlos Alcantara (store manager) –
Gracias American Oxygen, muy buen Servicio y super amables. Valio la pena viajar a Miami. Gracias por la guia, Saludos!!
Gerardo Gonzales –
Thank you to Advice to my mom about this Unit, we fly to El Salvador without any problem. Thank you Emanuel for such amazing work.
Gerardo Gonzales (store manager) –
Thank you to Advice to my mom about this Unit, we fly to El Salvador without any problem. Thank you Emanuel for such amazing work.
Ricardo E. Morra –
Thanks to help my father with his Purchase of Inogen One G5, and help with the schedule delivery at our vacational Home.
Yanina Gutierrez –
Gracias American Oxygen sobre todo a Esteban por brindarnos tal asistencia, dado que compramos desde el Exterior para ir a retirar en USA al llegar en neustrsas vacasciones. Todo super transparente y atentos. Super Confiables y recomendables!!
Amanda Verta –
Excellent machine, incredible price, and the service was excellent. I recommend this shop and also Rocco. How cute!
Joe Hart (verified owner) –
On first trip out of house, battery level went from 97 percent to 72 percent in about 20 minutes on level 4 oxygen.
Victor –
I really appreciate the free upgrade — not only was the shipping faster, but my order arrived in Colorado in just 2 days. Amazing service. Thanks again!