Inogen One G5 Certified Pre-Owned Premium Technology, Pre-Owned Savings The Inogen One G5 Certified Pre-Owned offers everything you expect from one of the top portable oxygen concentrators on the market—but at a significantly lower price. These units have been professionally refurbished, tested, and certified to ensure like-new performance. Whether you’re managing COPD, recovering from surgery, or simply need mobile oxygen therapy, this is your chance to get a compact, travel-ready device trusted by thousands of users—for a fraction of the original cost. Reliable Power. Real Freedom. Weighing just 4.7 pounds and offering up to 13 hours of battery life, this device is designed to give you true independence—no matter where you are. It includes: Five flow settings (1–5) via pulse dose delivery Quiet operation at just 39 dBA Intelligent Delivery Technology for efficient, responsive therapy LCD display and easy controls for confidence on the go Every unit is backed by a 1-year warranty, and has passed inspection, deep cleaning, and full diagnostic testing. Specifications Feature Details Weight 4.7 lbs (with 16-cell battery) Dimensions 7.19 x 3.26 x 8.15 inches Oxygen Flow Pulse Dose (1–5), Intelligent Delivery Battery Life Up to 13 hours (flow setting 1, 16-cell) Power Sources AC (100-240V) / DC (Car/Airplane Adapter) Noise Level 39 dBA (on setting 2) FAA Approved Yes Warranty 1-year (device and accessories) What’s in the Package? ✅ Inogen One G5 Certified Pre-Owned Unit 1x 16-cell or 8-cell Rechargeable Battery AC Power Supply DC Power Cable (Car Adapter) Carrying Bag User Manual Battery Runtime — Inogen One® G5® (Refurbished or New) Assumptions: healthy battery (new or lightly used), room temperature, standard cannula, factory settings. Actual times vary with breathing pattern, altitude, ambient temperature, cannula length, and device/battery condition. Pulse Mode — Estimated Runtime Flow Setting (Pulse) 8-Cell Battery (BA-500) 16-Cell Battery (BA-516) 1 ~6.5 h up to ~13 h 2 ~5.0 h ~10 h 3 ~3.5 h ~7 h 4 ~2.5 h ~5 h 5 ~1.8 h ~3.5 h 6 ~1.5 h ~3 h Frequently Asked Questions (FAQ) 1. What does Certified Pre-Owned mean? It means the device has never been used in a clinical setting and has been fully inspected, cleaned, and tested by professionals to meet original standards. 2. Is it covered by a warranty? Yes, it includes a 1-year warranty covering the concentrator, battery, and all included accessories. 3. How long does the battery last? Up to 13 hours with the 16-cell battery (on setting 1). Battery duration depends on your oxygen flow setting. 4. Can I fly with it? Absolutely. The G5 is FAA-approved and can be used in the cabin on most commercial airlines. 5. Why is it cheaper than a new unit? You’re saving because it’s pre-owned and refurbished, but without compromising performance. It’s the same power, at a much more accessible price.
