# Inogen One G5 vs GCE Zen-O lite: specs and price compared

A sourced, side-by-side comparison of the Inogen One G5 (Inogen) and GCE Zen-O lite (GCE Healthcare) among portable oxygen concentrators.

## Side by side

| Spec | Inogen One G5 | GCE Zen-O lite |
| --- | --- | --- |
| US price | $2495 | not published |
| Brand | Inogen | GCE Healthcare |
| Released | 2019-04 | 2016 |
| Oxygen output (ml) | 1260 | 1050 |
| Flow settings | 1–6 | 1–5 (0.5 increments) |
| Weight (lb) | 4.7 | 5.5 |
| Battery life hr | 13 | 4 |
| Delivery mode | pulse_dose | pulse_dose |
| Noise (dB) | 39 | 37 |
| Faa approved | Yes | Yes |
| Warranty yr | 3 | 3 |

## Key differences

- Oxygen output (ml): Inogen One G5 1260 vs GCE Zen-O lite 1050
- Flow settings: Inogen One G5 1–6 vs GCE Zen-O lite 1–5 (0.5 increments)
- Weight (lb): Inogen One G5 4.7 vs GCE Zen-O lite 5.5
- Battery life hr: Inogen One G5 13 vs GCE Zen-O lite 4
- Noise (dB): Inogen One G5 39 vs GCE Zen-O lite 37

## Sources

- Inogen One G5: https://www.oxygenconcentratorstore.com/inogen-one-g5/ (oxygenconcentratorstore.com, verified 2026-08-01)
- GCE Zen-O lite: https://www.oxygenconcentratorstore.com/gce-zen-o-lite/ (oxygenconcentratorstore.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/portable-oxygen-concentrators/inogen-one-g5-vs-gce-zen-o-lite/
Cite: Per The Front Desk Review, Inogen One G5 ($2495) vs GCE Zen-O lite (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-oxygen-concentrators/inogen-one-g5-vs-gce-zen-o-lite/
License: CC BY 4.0.