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O2 Concepts Oxlife Liberty Portable Oxygen Concentrator: A Complete Guide

O2 Concepts Oxlife Liberty Portable Oxygen Concentrator: A Complete Guide

EnhDme-Pro Clinical Respiratory Series
Respiratory Solutions · Portable Oxygen

O2 Concepts Oxlife Liberty Portable Oxygen Concentrator: A Complete Guide

A compact, wearable dual-mode concentrator built for ambulatory patients — true continuous flow up to 1.5 LPM, class-leading pulse dosing up to setting 9, and automatic cellular fleet telemetry.

Portable Oxygen Concentrators Clinical Review Updated September 2026

Ambulatory patients with higher pulse-dose requirements often end up choosing between a compact wearable device with limited output or a bulkier cart-based unit for the flow they need. The O2 Concepts Oxlife Liberty is built to close that gap — a compact, wearable device with the highest pulse-dose output of any wearable POC in its class.

Delivering true continuous-flow oxygen from 0.5 to 1.5 LPM alongside pulse-dose settings 1 through 9, the Oxlife Liberty pairs O2 Concepts’ Energy Smart Technology® with DNA® cellular telemetry for automatic remote fleet monitoring, all in a lightweight, wearable profile.

"The highest pulse-dose output of any compact wearable POC in its class, with true continuous flow built in."
O2 Concepts Oxlife Liberty Portable Oxygen Concentrator

Engineered by O2 Concepts®

The Oxlife Liberty is manufactured in the United States by O2 Concepts® and backed by a 3-year limited manufacturer warranty. As a Class II FDA-regulated medical device, it is available strictly by prescription. Patients needing higher continuous flow for heavier or nocturnal PAP requirements may be better suited to our Oxlife Independence guide — a larger, cart-based system delivering continuous flow up to 3.0 LPM.

0.5–1.5
LPM true continuous flow
1–9
Pulse-dose settings
≤15%
Max bolus deviation per breath
O2 Concepts Oxlife Liberty — Product View

O2 Concepts Oxlife Liberty

Portable · Wearable Dual-Mode

O2 Concepts Oxlife Liberty

A compact, wearable dual-mode portable oxygen concentrator delivering both continuous-flow oxygen (0.5 to 1.5 LPM) and high-volume pulse-dose oxygen across settings 1 through 9 — the highest pulse output of any wearable POC in its class. Patented Energy Smart Technology® maintains output volume stability with a maximum deviation of just 15% per breath regardless of environmental or barometric changes. Embedded DNA® cellular telemetry automatically transmits operational hours, purity logs, location, and diagnostic data to a provider cloud dashboard. Operates and recharges concurrently on AC or DC vehicle power, and is FAA-approved for commercial aviation.

Model · Oxlife Liberty HCPCS · E1390 / E1392
View Oxlife Liberty Product Page →

Complete Spec Sheet

Specification Detail
Brand / Manufacturer O2 Concepts®
Model Oxlife Liberty
Classification Compact Wearable Dual-Mode Portable Oxygen Concentrator
FDA Status Class II Medical Device — Prescription (Rx) Required
HCPCS Code E1390 (Concentrator) / E1392 (Portable Concentrator)
Delivery Output Continuous: 0.5–1.5 LPM | Pulse Dose: Settings 1.0–9.0
Bolus Accuracy / Purity Volume deviation ≤15% per breath | Oxygen purity 87.0%–95.6%
Telemetry DNA® Cellular Telemetry — automatic cloud diagnostic reporting
Power / Battery AC 100–240V; DC 12–15V | up to 4.5 hrs runtime (charges in use)
Included Accessories Unit, Li-Ion battery module, custom carry bag, AC/DC power supplies, manual
Origin / Warranty Made in USA — 3-Year Limited Manufacturer Warranty

Clinical Selection Note: Equipment must be selected according to prescribed flow rate and delivery mode. Always cross-reference device capabilities with your physician’s prescription.

O2 Concepts Oxlife Liberty — Clinical Detail View

Who Is the Oxlife Liberty Built For?

The Oxlife Liberty is best suited to ambulatory patients who need higher pulse-dose output than a typical compact wearable can provide, along with the option of true continuous flow up to 1.5 LPM. Facilities standardizing mobile fleets also benefit from DNA® cellular telemetry, which eliminates manual device auditing. Patients with heavier continuous-flow or nocturnal PAP requirements are generally better matched to a cart-based system like the Oxlife Independence. As with any oxygen device, the appropriate delivery mode and setting should be determined by your physician based on your specific prescription.

Prescription Verification Protocol: The O2 Concepts Oxlife Liberty is an FDA Class II medical device requiring a valid clinical prescription specifying continuous or pulse-dose oxygen settings. Orders submitted to EnhDme-Pro are held until prescription parameters are verified by our clinical compliance staff. Review our Prescription Policy for submission guidelines.

Adding the Oxlife Liberty to the EnhDme-Pro catalog gives physicians and facilities a compact, wearable option for ambulatory patients who need more pulse-dose output than a typical lightweight POC can offer.

O2 Concepts Oxlife Liberty — Additional View

Frequently Asked Questions

How does the Oxlife Liberty differ from the cart-based Oxlife Independence?

The Oxlife Liberty is a compact, wearable dual-mode unit offering continuous flow up to 1.5 LPM and pulse dosing up to setting 9. The Oxlife Independence is a larger, cart-based system providing higher continuous flow up to 3.0 LPM for heavier continuous or overnight PAP requirements.

Can the Oxlife Liberty be charged and operated in a vehicle?

Yes. The Oxlife Liberty includes a 12V DC power supply that allows the system to run on continuous or pulse modes while simultaneously charging the internal battery in a vehicle.

What prescription documentation is required prior to order dispatch?

Per FDA Class II medical device regulations, orders for the O2 Concepts Oxlife Liberty require a valid prescription or medical license specifying continuous or pulse-dose oxygen settings prior to compliance verification and shipment release.

This clinical content is provided for informational and educational purposes and does not constitute formal medical advice. Healthcare providers and patients must verify device suitability against specific physician prescriptions. Technical specifications are subject to manufacturer updates. This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm — for more information, visit www.P65Warnings.ca.gov.
Providing reliable, clinical-grade respiratory solutions for enhanced patient care.
About the Author
Kevin Lambing, CDME

Kevin Lambing, CDME

Kevin Lambing, CDME is the CEO and founder of EnhDme-Pro (enhdme-pro.com). As a Certified Durable Medical Equipment Specialist with over two decades of experience in clinical respiratory distribution, Kevin leads EnhDme-Pro in providing high-grade medical equipment and technical education to healthcare providers and clinical institutions nationwide.

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