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Real customers who reclaimed their mobility with our mini oxygen concentrators. You can, too.
The OxyGo FIT Plus is an ultra-lightweight pulse-dose portable oxygen concentrator designed for people who place a high priority on small size, low carrying weight, and simple everyday portability.
At about 2.8 pounds with the standard battery, it is built for people who want the least possible weight on their shoulder.
Choose a smaller battery for minimum weight or an extended battery for longer time away from a charger.
Its compact design, removable batteries, and included power supplies make it convenient for errands, appointments, and travel.
Use it from a charged battery, approved household power, or compatible vehicle power.
The concentrator includes a five-year limited warranty. Batteries and columns have shorter warranty periods.
The battery and oxygen columns can be replaced without sending the entire machine away for routine replacement.
The FIT Plus is built around portability. Its smaller body and lower weight make it easier to take to appointments, stores, family gatherings, restaurants, and other daily activities.
The standard battery keeps the machine as light as possible. The extended battery adds some weight but gives substantially longer operating time.
The FIT Plus is most often compared by people who want the smallest, lightest machine possible and whose prescription can be supported by a pulse-dose system with settings 1 through 4. It is not a continuous-flow machine.
Both batteries are removable and can be changed by the user.
Up to approximately 3 hours
Total machine weight: about 2.8 pounds
Best for keeping the machine as small and light as possible.
Up to approximately 6 hours
Total machine weight: about 3.3 pounds
Better for longer outings and fewer battery changes.
Yes. Its compact size makes it especially convenient for car trips and air travel. It is designed to meet FAA requirements for accepted portable oxygen concentrators.
The OxyGo FIT Plus delivers a measured burst of oxygen when it detects an inhalation. This is called pulse-dose delivery.
Its settings 1 through 4 are machine settings. They are not the same as continuous-flow liters per minute.
The display shows the selected setting, battery level, and system alerts. The main removable parts can be changed without specialized tools.
The FIT Plus can operate from approved AC power, compatible DC vehicle power, or a charged battery.
An optional external charger can charge a spare battery separately while the concentrator remains in use.
Package contents can vary. Check your written order to confirm the battery and accessories included.
Keeps the machine at its lowest carrying weight.
Provides longer operating time for longer days.
Charges a spare battery separately from the concentrator.
A hands-free carrying option for walking and travel.
Useful for keeping a second approved charger in another location.
Approved replacement parts used when the system indicates they are needed.
| Model | Delivery Type | Approximate Weight | Best Known For |
|---|---|---|---|
| OxyGo FIT Plus | Pulse 1–4 | About 2.8 lb | Minimum carrying weight and very compact dimensions. |
| OxyGo NEXT NG | Pulse 1–6 | 4.8 lb with standard battery | More pulse settings and longer battery options. |
| Oxlife Liberty 2 | Pulse and continuous flow | About 6.7 lb | Continuous flow in a more portable design. |
| Oxlife Independence | Pulse and continuous flow | Larger cart system | Higher continuous-flow capability in a wheeled machine. |
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Weight: approximately 2.8 pounds with the standard battery and approximately 3.3 pounds with the extended battery.
Size: approximately 5.9 × 2.7 × 7.2 inches with the standard battery.
The machine provides pulse-dose settings 1 through 4. These settings are not liters per minute.
Standard battery: up to approximately 3 hours. Extended battery: up to approximately 6 hours. Actual time varies.
The machine can operate from approved household AC power, compatible vehicle DC power, or a charged battery.
The concentrator has a five-year limited warranty. Batteries and columns have shorter warranty coverage.
A prescription is required. Your doctor must determine whether this device and delivery type are appropriate for you.
The OxyGo FIT Plus stands out for its unusually low weight and small footprint. It is a strong model to compare when carrying comfort matters more than having six pulse settings or continuous flow.
It is not a continuous-flow machine. Your physician must confirm that pulse dose and the available settings meet your prescription.
No. It is a pulse-dose portable oxygen concentrator with settings 1 through 4.
It weighs approximately 2.8 pounds with the standard battery and about 3.3 pounds with the extended battery.
The standard battery is rated for up to approximately 3 hours and the extended battery for up to approximately 6 hours. Actual time varies.
Yes. It includes a DC power cable for a compatible vehicle outlet.
It is designed to meet FAA requirements for accepted portable oxygen concentrators. You must still follow your airline’s rules.
Yes. It can operate from approved AC or compatible DC power.
Your doctor must determine whether pulse-dose delivery is appropriate for your needs during sleep.
No. Pulse settings are not the same as continuous-flow liters per minute.
Yes. It is a prescription medical device.
No. It concentrates oxygen from the surrounding air while it has power.
Yes. The battery is removable and user replaceable.
Yes. Approved columns can be replaced when the machine indicates replacement is needed.
Yes. An optional external battery charger is available.
Follow the user manual. Contact your equipment provider if the condition continues. Use your prescribed backup oxygen if the concentrator is not operating correctly.
We focus on trusted portable oxygen concentrators made in the United States.
We explain the differences clearly so you can compare your options without feeling overwhelmed.
Our founder has helped oxygen users and families compare portable systems for more than 15 years.
Call Inspired Portable Oxygen to compare battery packages, accessories, warranty choices, financing options, and current pricing.
A simple guide to weight, batteries, delivery types, travel, and warranties.
Learn what affects battery time and how to plan for longer days.
Understand the difference between the two oxygen delivery types.
Important medical and safety notice: This page provides general product information only. It does not diagnose a condition, prescribe oxygen, select a setting, or determine whether a machine is appropriate for you. Portable oxygen concentrators are prescription medical devices. Follow your prescription, the manufacturer instructions, and advice from your physician or qualified healthcare professional. Keep your prescribed backup oxygen available for power loss, equipment failure, or service.
The OxyGo Fit Plus portable oxygen concentrator is one of the smallest and lightest
medical-grade portable oxygen systems available today. Designed for active users who need dependable
oxygen therapy without excess weight or complexity, the Fit Plus delivers reliable pulse dose oxygen
in an ultra-compact, travel-ready design.
Weighing just 2.8 pounds with four pulse flow settings, FAA & FDA approval,
and a long-life design backed by a 5-year warranty, the OxyGo Fit Plus is an excellent
choice for users with light-to-moderate oxygen needs who prioritize portability and ease of use.
The OxyGo Fit Plus is engineered for simplicity, mobility, and long-term reliability.
Unlike bulky portable concentrators, it offers true freedom for everyday use without sacrificing
medical-grade performance.
At just 2.8 pounds, the OxyGo Fit Plus is ideal for users who want a portable oxygen
concentrator that is easy to carry, easy to travel with, and comfortable for extended daily use.
Its compact size makes it perfect for errands, appointments, social outings, and air travel,
especially for users who find heavier systems cumbersome.
The OxyGo Fit Plus provides pulse dose oxygen only, with four adjustable flow settings.
Oxygen is delivered automatically when inhalation is detected, ensuring efficient and responsive
oxygen therapy.
This design helps conserve battery life while delivering consistent oxygen support for users
with prescribed pulse dose requirements.
One of the most important advantages of the OxyGo Fit Plus is its
user-replaceable sieve columns.
This feature is rarely found in portable oxygen concentrators and makes the Fit Plus an excellent
long-term investment.
The OxyGo Fit Plus meets strict medical and travel standards:
This system is ideal if you:
The OxyGo Fit Plus is backed by a 5-year manufacturer warranty.
We carry new units only — never refurbished or used equipment.
With over 25 years of experience in the Oxygen industry, Inspired Portable Oxygen is a USA-owned and operated company dedicated to providing your prescribed oxygen therapy in a way that improves your quality of life, encouraging you to travel and live your life on the go.
