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Description
Inogen One G5 Portable Oxygen Concentrator – Lightweight Pulse Dose Travel Oxygen SystemThe Inogen One G5 is the most prescribed portable oxygen concentrator in the United States a statistic that reflects the prescribing decisions of tens of thousands of pulmonologists and physicians who have used this unit with enough patients to trust it without reservation. Six pulse settings. 4. 7 pounds with the standard battery. Up to 13 hours on the double battery. Intelligent Delivery Technology adapts in real time to your breathing rate.
The Inogen One G5 is the most prescribed portable oxygen concentrator in the United States — a statistic that reflects the prescribing decisions of tens of thousands of pulmonologists and physicians who have used this unit with enough patients to trust it without reservation. Six pulse settings. 4.7 pounds with the standard battery. Up to 13 hours on the double battery. Intelligent Delivery Technology adapts in real time to your breathing rate. Expected 8-year service life. User-replaceable sieve beds. Bluetooth monitoring via the Inogen Connect app. FAA-approved.
Pulse dose only. Settings 1-6. Prescription required — bring yours when you come in or call before ordering. In-stock units available at all five SW Florida showrooms.
Questions about whether the G5 matches your prescription?
Call 866-218-0902
-- Mon-Fri 9AM-5PM · Sat 9AM-3PM · Try it in any SW Florida showroom · 10-Day No-Risk Trial
Before you order — confirm these
The G5 is a pulse dose concentrator only — it does not deliver continuous flow. Not appropriate for prescriptions specifying a continuous flow rate (LPM). Pulse dose during sleep requires physician guidance. Battery life specs are manufacturer best-case figures — in SW Florida summer heat, plan for 70-75% of published runtime. 866-218-0902
Why the G5 Is the Most Prescribed Portable in America
Most Prescribed Portable in the United States
The G5 is the most prescribed portable because tens of thousands of physicians have used it with enough patients, over enough years, to trust it without reservation. That depth of clinical validation is something no newer unit can match. When your pulmonologist recommends a unit, this is often the one they have in mind.
8-Year Service Life · 13 Hours · User-Replaceable Sieve Beds
An expected 8-year service life with up to 13 hours on the double battery and user-replaceable sieve beds. The G5 is built to be a long-term investment. Over its service life, the cost per day of ownership is among the lowest of any portable concentrator available.
Intelligent Delivery · Inogen Connect App · FAA-Approved
Intelligent Delivery Technology monitors your breathing rate in real time and adjusts bolus size and timing accordingly. The Inogen Connect app provides Bluetooth monitoring for patients and caregivers. FAA-approved with well-established airline documentation that gate agents recognize.
What's Included
- Inogen One G5 Portable Oxygen Concentrator
- 8-cell single battery
- AC power supply
- DC car adapter
- Carrying bag with shoulder strap
- Nasal cannula
- User manual
Full Specifications
| Model | Inogen One G5 |
| Delivery Type | Pulse dose only |
| Settings | Pulse dose 1-6 |
| Max Output | 1,260 ml/min |
| Weight | 4.7 lbs (8-cell) · 5.7 lbs (16-cell double battery) |
| Battery Life | Up to 6.5 hrs (single) · Up to 13 hrs (double) |
| Noise Level | 40 dBA |
| Oxygen Delivery | Intelligent Delivery Technology — real-time breath rate adaptation |
| Connectivity | Bluetooth · Inogen Connect app (iOS and Android) |
| AC Power | 100-240V worldwide |
| DC Car Power | Yes |
| FAA Approved | Yes — domestic commercial flight |
| Sieve Beds | User-replaceable |
| Expected Service Life | 8 years |
| Clinically Validated | Yes — 24/7 waking use |
| Warranty — Concentrator | 3 years |
| Warranty — Battery | 1 year |
Complete Portable Oxygen Concentrator Buying Guide
Comparing the G5 to the Inogen Rove 6, OxyGo NEXT, or a continuous flow unit? Our 2026 guide covers every concentrator we carry and explains the clinical differences that actually matter. Read the Complete Portable Oxygen Concentrator Guide →
Frequently Asked Questions
Both are 6-setting pulse dose concentrators from Inogen at nearly identical weights. The Rove 6 is newer, quieter (37 dBA vs. 40 dBA), and has the longest extended battery life in the category. The G5 has the longer clinical track record and is the most widely prescribed portable in the United States. If you want the most proven unit, the G5 is the answer. If you want the latest technology, the Rove 6 is worth considering. 866-218-0902.
The G5 is clinically validated for 24/7 waking use. Whether it is appropriate for nighttime use depends on your specific prescription and breathing pattern during sleep. Your physician's guidance on nighttime use is essential before using any pulse dose unit overnight. 866-218-0902.
In Southwest Florida summer heat, lithium-ion batteries perform at roughly 70-75% of published specs. The double battery rated at 13 hours will deliver approximately 9-10 hours at setting 2 on a hot day. Build your day around that number. For all-day outings, carry the single battery as a backup or identify a charging stop in advance. 866-218-0902.
Yes — FAA-approved for domestic commercial flight with well-established airline documentation. The concentrator checks at the gate door; batteries must be carried in the cabin. Bring enough battery for 150% of total travel time. Call the airline at least 48 hours before your flight. 866-218-0902.
Yes. Our 10-Day No-Risk Trial lets you take the G5 home and use it in your actual life for 10 days. If it is not the right fit, bring it back and we will exchange it. No restocking fee, no fine print. Walk-ins welcome at all five SW Florida locations. 866-218-0902.
Compare Portable Oxygen Concentrators
Latest Inogen — Longest Battery
Inogen Rove 6
Settings 1-6 · 4.8 lbs · 12 hrs 45 min · 37 dBA
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Minutes-Remaining Display · 6 Settings
OxyGo NEXT
Settings 1-6 · 4.7 lbs · 13 hrs (double) · Shows exact minutes remaining
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Lightest Option · Settings 1-3
Inogen One G4
Settings 1-3 · 2.8 lbs · 5 hrs (double) · The lightest portable available
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All Pulse Dose Concentrators
Full Pulse Dose Lineup
Every pulse dose unit we carry — all settings, all weights
Browse all →
Browse all →
Southwest Florida Showrooms & Nationwide Shipping
Five locations where you can hold this unit and speak with a Respiratory Therapist before buying — Venice, Sarasota, Port Charlotte, Fort Myers, and Naples. White-glove delivery available across SW Florida. Nationwide shipping on all models. Our 10-Day No-Risk Trial is available on every concentrator we carry.
📞 866-218-0902 · Mon-Fri 9AM-5PM · Sat 9AM-3PM · Find your nearest location →
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 3
A familiar story, just with…..less.
Format: Kindle
So, as other reviewers make clear, this is very similar to Pack Darling and The Beta. It’s much closer aligned with The Beta, in plot and maybe more like Pack Darling with characters.
That being said, I don’t hate this…..but it wasn’t great either. It’s both books mentioned but just….less. Less angst, less emotion, less feeling. The plot feels very half fleshed out, and the “bad guy” feels underwhelming. I didn’t really feel any real emotions from and of the male leads, except maybe Oliver. The others fell sorta flat for me. And Mika makes herself out to be this big bad ass straight outta training and then we never see it from here again with the one fitting room incident as the exception.
SPOILER:
The whole, “Oh, I’m actually probably an Omega, but I don’t wanna be but I do actually wanna be but no one can ever know my secret that I do nothing to hide “ thing fell so flat. She never commutes to believing she was secretly an omega, but also mentions her “secret” a lot. It just felt so manufactured.
I’m intrigued enough to read part 2 and see how the author closes everything out, but this is not one I’ll recommend or ever come back to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2024
★★★★★ 5
Good start to a series
Format: Kindle
I delayed reading the series for reasons I don’t remember. But my TBR list is huge so I thought I’d take a shot of this and I was pleasantly surprised. I didn’t think the blurb about it was anything special. But it was a very good book. It took some interesting twists and turns. I am so glad the second book is already out. Because I would not have waited patiently. Very slow burn but good storyline. 🔥🔥/5
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2025
★★★★★ 4
A good read
Format: Kindle
Multiple points of view. 3 Alpha men and an Omega male. She is a Beta in training for a new program placing betas in Alpha/Omega packs. Mila is only doing the program for the money to take care of her dad. She wasn't expecting to fall for a pack but when she sees this packs Omega she is done for. There is just something about him. His Alphas are good looking as well. Too bad she is hiding a secret and their government is acting shady. I liked it and can't wait to see where their story goes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2023
★★★★★ 3
Slightly repetitive but I did love some things
Format: Kindle
I love this type of story. And omegaverse is one of my all time favorite genres. But there are a few things that pulled me out of my enjoyment while I was reading. It was repetitive at times as well as struggled with telling not showing. So we didn’t always feel like we were experiencing things with the main character. There were also some plot holes but they may still be answered in part 2.
Now this isn’t to be said I didn’t enjoy parts of the story. I loved the almost instant love between Mila and Oliver. And how he started changing around her.
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Reviewed in the United States on February 15, 2024
★★★★★ 5
delightful read
Format: Kindle
What a delightful read. The characters are awesome, the plot was so good, I loved it. I was intrigued and it kept me wanting more. Told in multiple pov, the book sucks you in and doesn’t let go. I cannot wait to read the next book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2025