# Inogen One G5 vs ResMed Mobi: specs and price compared

A sourced, side-by-side comparison of the Inogen One G5 (Inogen) and ResMed Mobi (ResMed) among portable oxygen concentrators. ResMed Mobi is the cheaper of the two at $2295.

## Side by side

| Spec | Inogen One G5 | ResMed Mobi |
| --- | --- | --- |
| US price | $2495 | $2295 |
| Brand | Inogen | ResMed |
| Released | 2019-04 | 2019-01 |
| Oxygen output (ml) | 1260 | — |
| Flow settings | 1–6 | 1–4 |
| Weight (lb) | 4.7 | 5.5 |
| Battery life hr | 13 | 8.6 |
| Delivery mode | pulse_dose | pulse_dose |
| Noise (dB) | 39 | 38.2 |
| Faa approved | Yes | Yes |
| Warranty yr | 3 | 5 |

## Key differences

- Flow settings: Inogen One G5 1–6 vs ResMed Mobi 1–4
- Weight (lb): Inogen One G5 4.7 vs ResMed Mobi 5.5
- Battery life hr: Inogen One G5 13 vs ResMed Mobi 8.6
- Noise (dB): Inogen One G5 39 vs ResMed Mobi 38.2
- Warranty yr: Inogen One G5 3 vs ResMed Mobi 5

## Sources

- Inogen One G5: https://www.oxygenconcentratorstore.com/inogen-one-g5/ (oxygenconcentratorstore.com, verified 2026-08-01)
- ResMed Mobi: https://www.oxygenconcentratorstore.com/resmed-mobi/ (oxygenconcentratorstore.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/portable-oxygen-concentrators/inogen-one-g5-vs-resmed-mobi/
Cite: Per The Front Desk Review, Inogen One G5 ($2495) vs ResMed Mobi ($2295) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/portable-oxygen-concentrators/inogen-one-g5-vs-resmed-mobi/
License: CC BY 4.0.