The best portable oxygen concentrator depends on your needs, but we’ll review the top models to help you choose. According to our research, the top POC for travel are ReadyO2 and Inogen One G5.
Our team has tested dozens of oxygen devices and talked to doctors and travelers who use them every day. We know exactly what makes a suitable portable oxygen concentrator.
In this guide, you'll learn:
Our team recommends models that lead the market today. The selection depends on honest user feedback and professional assessments.

Here are the special features of our top products, which are presented as an overview.
Best for high-altitude adventures




Now, we will look at the recommended models one by one. We shall cover:




The ReadyO2 Pro is a small, lightweight, powerful oxygen concentrator priced at $1,900. It delivers 96% pure oxygen using CECA Oxygen Molecular Sieve technology.
It releases oxygen using the pulse dose system in five settings, from 200 ml to 1000 ml per breath. If no breath is detected, it releases oxygen every 4 seconds. A sixth setting provides 1700 ml/min, though at 60% purity. The copper compressor is strong and energy-efficient.
The LCD screen shows oxygen flow and battery life. The best part? The DC charging compatibility makes it easy to recharge in the car. It works at home, at high altitudes, and on the go, though flow settings could improve.
Compact and lightweight for easy portability, this device offers long-lasting operation for daily activities and features an adjustable oxygen flow to meet individual needs



The Inogen One G5 is an excellent choice for people with different oxygen needs. It has six flow settings and can deliver up to 1260 ml of oxygen per breath. This is a potent upgrade from older models.
This small and light device weighs just 4.7 lbs and runs quietly at 38 dBA, so you can use it day or night, at home or on the go. It works with both battery and wall power, but you’ll need extra batteries if you’re out for more than 7 hours.
Inogen is known for new technology and quality. The G5 is sold in 59 countries and is one of the best portable oxygen concentrators available.



The ReadyO₂ Lite is a budget-friendly portable oxygen concentrator. It is also the lightest at 1.32 lbs and works at high altitudes—a hiker’s best pick. It has a one-button control for easy use. A single battery charge gives up to 4 hours of oxygen, which is great for short trips but not for long ones.
It provides a continuous oxygen flow of 2.5 LPM (liters per minute), meaning the oxygen flows uninterrupted. It also has a DC power option, allowing car charging. It runs quietly at 48 dBA, about as soft as rain.
The battery recharges fast in just 1.5 hours, making it a great choice for those on a budget. Plus, it offers users a 2-year warranty for extra peace of mind.
Compact and lightweight, about the size of a book, this device features a long-lasting battery (8-16 hours) and operates ultra-quietly, producing less noise than a fridge.



The FreeStyle Comfort has a long battery life—up to 16 hours with a large battery and 8 hours with a small one. This means you can take it on a long trip using the larger batteries. Its lightweight, curved design makes it easy to carry and comfortable to wear.
Smart technology adjusts oxygen levels based on your breathing, so you get the right amount whether walking or resting. It also helps keep oxygen levels stable with special sensors that detect your breath. At a maximum delivery of 1050ml/breath, expect fantastic service with this POC.
The energy-efficient compressor provides strong performance without using too much power. Then, the easy-to-read screen has big fonts, bright colors, and glow-in-the-dark buttons for simple use anytime.
The FreeStyle Comfort is FAA-approved for travel, meaning it's cleared for air travel. The only downside is that it requires a prescription to buy.
Lightweight and travel-friendly, this device offers long-lasting battery life and ensures a steady, reliable oxygen supply for consistent use.



The Inogen Rove6 is very efficient, another ideal POC for 6|+ hours road trips. It delivers up to 1,260 ml/breath of oxygen in a pulse dose delivery system.
It is small and light, so you can move around easily without feeling like you are carrying a heavy POC. The battery lasts 6 to 12.75 hours, and it is approved for air travel, making air trips stress-free.
Doctors approve of this machine, and it has a simple screen for easy control. It also works worldwide with auto-sensing power.
The only downside is that it costs more than some other models.



The G4 came before the G5 and is smaller than most models on this list. At just 2.7 lbs, it is light and easy to carry for oxygen on the go.
Even though it's small, the G4 provides reliable oxygen therapy around the clock. It adjusts bolus volume based on flow settings and breathing rate, ensuring consistent delivery. If a breath is delayed, the next bolus increases to compensate, and vice versa. Its innovative software optimizes oxygen delivery for seamless therapy day and night.
You can power it with a battery or a wall plug. The single battery lasts 2.7 hours, and the double battery lasts 5 hours, shorter than some other models.
It has simple buttons and a clear screen, making it easy to use, even for beginners. With a DC power cable for travel and an auto-sensing AC power supply for global use, the G4 makes oxygen therapy easy anywhere.



The Philips SimplyGo is easy to use and maintain. It works in two modes, continuous flow, and pulse dose, to suit different oxygen needs.
In continuous flow mode, it delivers a maximum of 5 liters per minute. On pulse, the maximum bolus size is 72 ml, allowing increments of 12 ml from 12 ml onwards. The POC’s highest acclaimed setting is that it operates on a night mode pulse dose in 6 settings. In this mode, the maximum setting offers 1500 ml per breath. It can switch to continuous flow if no breath is detected in sleep mode.
It weighs 10 pounds, the heaviest on our list, but it is still easy to carry. If you want a lighter option, the SimplyGo Mini weighs just 5 pounds.
The controls are simple, with clear settings for oxygen flow.
It runs quietly at 43 dBA and lasts up to 3 hours on a pulse dose setting. The screen is easy to read, making it a reliable choice for daily use.
This product is perfect for extended travel, featuring long-lasting battery life, easy recharging and operation, and a robust, durable design that ensures reliable performance in various environments, providing worry-free use over time.



The Oxlife LIBERTY® has high oxygen flow, with nine settings and up to 1500ml of oxygen per breath. It works with CPAP machines, helping keep airways open for easier breathing.
The LCD screen and simple controls make it easy to use. You can charge it with AC or DC power and use it while plugged in. It has intelligent monitoring technology that tracks oxygen use and system health. GPS features add extra safety.
It is FAA-approved for air travel, but at 6.35 lbs, it is heavier than some other models.
Lightweight and compact for active users, this device features a durable design built for daily use and simple, easy-to-use controls, offering both convenience and reliability for everyday activities.



The Belluscura X-PLOR is an excellent choice for travel because it is small and lightweight. It weighs only 3.75 pounds (1.70 kg), making it easy to carry as you travel. You can also use it daily, even while running errands.
This device provides 82-92% pure oxygen using unique technology that turns normal air into medical-grade oxygen. It has four oxygen flow settings (215 to 750 ml/breath) and a battery-saving mode that reduces or stops oxygen when not in use.
It is easy to maintain, with replaceable parts and rechargeable batteries. It also connects to Bluetooth and works with the Nomad Biometrics app for real-time monitoring.
It is FAA-approved for air travel, but you need a prescription to buy it.
Featuring a modern touchscreen and smart connectivity, this device ensures reliable, consistent oxygen delivery while offering intuitive controls, making it perfect for tech-savvy users seeking convenience and advanced functionality.



The OxyGo NEXT is strong and built to last, especially if your pick is a tech-integrated POC. It has replaceable batteries and sieve beds, making it reliable for daily use and regular traveling. It runs 6.5 hours on a small battery and 13 hours on a large one. At 4.7 lbs, it’s tough enough for 24/7 use but a bit heavier than some others.
You can charge it anywhere—at home, in the car, or on the go—in just 3 to 6 hours. The clear LCD screen and simple buttons make it easy to use.
This device provides steady oxygen in multiple settings, offering both pulse and continuous flow for flexibility, making it ideal for users who require customizable oxygen therapy to suit their individual needs and preferences.



The CAIRE SeQual Eclipse 5 lets you adjust oxygen levels to fit your needs. It uses CAIRE’s autoSAT® Technology to control oxygen flow.
You can choose between continuous flow or pulse dose. In continuous flow, it has six settings from 0.5 to 3.0 LPM. In pulse dose, it has nine settings for different oxygen amounts per breath. The first six settings deliver 16 to 98 ml/breath, and the rest deliver 128 to 192 ml/breath.
The device also lets you fine-tune how oxygen is delivered to match your breathing. This makes it a great choice for those needing custom oxygen therapy.
It works with both AC (home) and DC (car) power, so you can use it anywhere. Like most oxygen concentrators, you need a prescription to buy one.
Ultra-portable and easy to carry, this device features simple operation, making it perfect for daily use. With a good battery life, it offers reliable performance as an entry-level portable concentrator.



The Philips Respironics SimplyGo Mini is small and light, perfect for travel. It has a pulse dose system with five settings and delivers a maximum of 1500 ml per breath. For a small device, it serves a higher volume, making it your go-to travel partner. The design looks modern and fits all activity levels, whether walking, driving, or hiking.
It is a robust POC, easy to use, and helps you stay active while getting oxygen.
Perfect for active users needing oxygen on the go, this lightweight device is easy to carry on outdoor adventures, with a reliable and user-friendly design that ensures convenience and performance in any setting.



The OxyGo FIT is a small, light oxygen concentrator designed for active people. It gives you the freedom to go anywhere without heavy tanks.
With 3 flow settings, it adjusts to your needs. The battery lasts up to 5 hours, and it weighs 2.8 lbs, so you can carry it on your shoulder, in a bag, or on your belt.
It has three power options—home, car, and battery—so you’ll always have oxygen. An extended battery gives you even more time on the go.
Imagine leaving home in the morning and staying out all day without worrying about oxygen. No tanks, no stress—just freedom!
Built to last with a rugged design for frequent use, this device ensures reliable, steady oxygen output under various conditions, making it perfect for daily use and providing the mobility needed for everyday activities.



The Invacare Platinum Mobile is built to last through time. The device offers five pulse dose options and weighs 4.8 pounds to move around easily yet produces powerful results.
The device is reliable in different settings because it is water-resistant and has built-in protection. The product works well in outdoor and demanding situations, which benefits active users who need it during travels. Another benefit is that it is FAA and FDA-approved in the US.
Exceptionally quiet, this device is ideal for night travel or quiet environments, offering efficient and reliable oxygen output. Its compact design makes it easy to transport, ensuring convenience and performance wherever you go.



The GCE Healthcare Zen-O Lite is a quiet and lightweight oxygen concentrator. At 37 dBA, it’s as quiet as a whisper, so you can even use it in a library.
It weighs only 5.5 lbs, making it great for active users and long-term oxygen therapy. The pulse mode delivers up to 1050 ml of oxygen per breath, keeping your oxygen levels stable during daily activities. Its smart RRT technology adjusts oxygen flow based on your breathing.
The Zen-O Lite is FAA-approved for air travel and built to last. It has simple controls and replaceable sieve modules for easy maintenance. It also comes with a carry bag, power cables, and a battery.
The only downside? We wish the battery lasted longer between charges.
Below is a quick side-by-side comparison of the top seven portable oxygen concentrators. This chart highlights key features, including weight, battery life, oxygen output, and more.

When selecting a portable oxygen concentrator for travel, consider your journey type:
If you're flying, your portable oxygen concentrator (POC) must be FAA-approved. Choose a POC that weighs little and runs its batteries for 150% longer than your flight duration.
You need a dependable POC such as the Inogen One G5 or SimplyGo because cabin altitudes reach between 6,000 and 8,000 feet. Always check with your airline before you fly.
Driving gives you more freedom, so you don't need FAA approval. Find a POC that connects to your car's DC power outlet and operates smoothly during driving.
The ReadyO2 Pro is a great option because it’s portable and easy to charge in a vehicle. A road trip means flexibility, so choose a device that keeps up with your plans.
When traveling to altitudes above 8,000 feet, you need an oxygen delivery system that provides powerful oxygen flow and remains lightweight for easy carrying. The Readyo2 Lite performs excellently on mountain trips and biking up to 16,400 feet above sea level.
Your breathing experience at high altitudes depends on having a dependable POC, whether you use it for hiking or cycling.
Wherever you go, the proper oxygen concentrator makes travel safe and comfortable. Always plan ahead and choose the best device for your trip.
Portable oxygen concentrators empower you to travel—whether by air, road, or on high-altitude adventures. With options like the ReadyO2 Pro for everyday and road trips and the Inogen One G5 for air travel, there is a model for every lifestyle and oxygen need.
Our in-depth reviews and comparison chart are designed to help you make an informed decision so you can confidently explore the world.
For more in-depth product information and user reviews, visit ReadyO2. Our expert recommendations and firsthand experiences ensure that you choose a concentrator that meets your travel needs