Certified Pre-Owned
*For replacement parts and accessories for the Liberty 2 Portable Oxygen Concentrator click here - Liberty 2 Portable Oxygen Concentrator Replacement Parts & Accessories
Meet the latest innovation in oxygen therapy: the Oxlife LIBERTY 2. With 24/7 continuous flow performance up to 2.0 LPM, the Oxlife LIBERTY 2 builds on its revolutionary continuous flow capability and industry-leading pulse dose capacity in a lightweight, compact wearable design. The Oxlife LIBERTY 2 provides a reliable and durable, single-source solution for a broad range of therapeutic needs.
| 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 | 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 |