*For replacement parts and accessories for the Liberty 2 Portable Oxygen Concentrator click here - Liberty 2 Portable Oxygen Concentrator Replacement Parts & Accessories
The Oxlife Liberty 2 is a reliable, durable portable oxygen concentrator (POC) designed for those needing continuous oxygen support. Made in the USA by O2 Concepts, it offers both pulse dose and continuous flow therapy, with settings up to 2 LPM and pulse-dose settings from 1-10. Weighing only 6.35 pounds, this compact device is ideal for travel, FAA-approved for air travel, and comes with a carrying bag for easy transport. Its oxygen purity remains consistent at 87-95% across all settings. With Dynamic Network Analysis (DNA) technology, it monitors usage patterns and updates maintenance, ensuring optimal performance. It features long battery life, recharges in under 2.5 hours, and can operate while charging with AC or DC power. Ideal for use at home, on the road, or during flights, the Oxlife Liberty 2 keeps you moving with confidence.
| Operating Modes | Pulse and Continuous Modes |
| Flow Control Settings | Pulse settings 1 to 10. Continuous settings 0.5 to 2 in 0.25 increments |
| Dimensions | 10" x 9" x 3.5" |
| Weight | 7.5 lbs |
| Battery Options | Standard Battery |
| Battery Duration | Up to 4.5 hours in pulse mode Up to 3.25 hours in continuous mode |
| Battery Charge Time | About 2.5 hours |
| Noise Level | 44 dBa at setting 2 |
| AC Input Range | 100 to 240 VAC; 50 to 60Hz |
| DC Input Range | 11.5-15 VDC |
| Operating Altititude | Up to 13,123 ft |
| FAA Approved | Yes - FAA approved label visible on device |
| Oxygen Concentration Purity | 87%-95% at seal level at all settings |
| Warranty | 3 Years (1 Year on Pre-Owned Units) Please note - Any smoking while using the unit or evidence that unit has been used in a smoke filled environment will void the warranty. |
| Flow Settings | Pulse Mode | Continuous Mode |
| Setting 0.5 | N/A | 3.25 hours |
| Setting 0.75 | N/A | 2.5 hours |
| Setting 1.0 | 4.5 hours | 2 hours |
| Setting 1.25 | N/A | 1.75 hours |
| Setting 1.5 | N/A | 1.5 hours |
| Setting 1.75 | N/A | 1.25 hours |
| Setting 2 | 4 hours | 1 hour |
| Setting 3 | 3.5 hours | |
| Setting 4 | 3 hours | |
| Setting 5 | 2.5 hours | |
| Setting 6 | 2 hours | |
| Setting 7 | 1.75 hours | |
| Setting 8 | 1.75 hours | |
| Setting 9 | 1.25 hours | |
| Setting 10 | 1.25 hours |