The Front Desk Review

Inogen · Updated August 2026

Inogen One G5: price, specs & release date

Inogen One G5, released 2019-04. Every price and spec below is linked to its source and dated — no guesses.

Source: oxygenconcentratorstore.com verified ✓ corroborated verify in ledger

GoldDeskmark51/100#3 of 13 in class

The Inogen One G5 is listed at $2495 on oxygenconcentratorstore.com as of 2026-08-01, #4 cheapest of 9 portable oxygen concentrators (median $2640); other retailers may be lower. It earns a Gold Deskmark — 51/100 pay-blind standing, #3 of 13 in class.

Verified Aug 1, 2026 · figures linked to their source in the table below

Cheapest portable oxygen concentrators: ResMed Mobi — $2295

See Inogen One G5 on Amazon Live price at the store — may differ from the dated listed price above. As an Amazon Associate we earn from qualifying purchases.
Inogen One G5 — Inogen
Image: oxygenconcentratorstore.com (© Inogen)

Is the Inogen One G5 a good buy?

At $2495, the Inogen One G5 is #4 cheapest of the 9 portable oxygen concentrators we track, where the median is $2640. On the spec sheet, its battery life hr of 13 is the highest of the 13, its warranty yr of 3 is the lowest of the 13, and its oxygen output of 1260 ml is above the median of the 12.

Specifications

Price (US)$2495 Advertised/MAP price at oxygenconcentratorstore.com against a $4,099.00 manufacturer list price for the standard-battery kit.
BrandInogen
Released2019-04
Oxygen output (ml)1260
Flow settings1–6
Weight (lb)4.7
Battery life hr13
Delivery modepulse_dose
Noise (dB)39
Faa approvedYes
Warranty yr3

Source: oxygenconcentratorstore.com (verified 2026-08-01) · corroborated by provider.inogen.com. Weight is 4.7lb with the standard/single battery (5.7lb with the double/extended battery). Battery life: 6h30m average on the single battery at setting 1, 13h average on the double battery at setting 1 (13h figure also independently confirmed as Inogen's own headline claim on provider.inogen.com: 'Up to 13 hrs' with extended battery). Noise 39dB at setting 2, up to 58dB max. Max output 1260ml/min across 6 pulse settings; per-setting ml breakdown not published on the pages consulted. FAA-approved for all commercial US carriers. Warranty: 3yr unit, 1yr batteries/accessories. Launched to market April 2019 per Inogen's own press release ('release to market of its innovative Inogen One G5').

Is the Inogen One G5 worth it vs cheaper portable oxygen concentrators?

Inogen One G5 against its closest cheaper and pricier portable oxygen concentrators on the specs that matter — every value sourced. See all 9 ranked

ProductPriceOxygen output (ml)Flow settingsWeight (lb)Battery life hrDelivery mode
Inogen One G5 this$249512601–64.713pulse_dose
CAIRE FreeStyle Comfort$239510501–558pulse_dose
Inogen One G3$264010501–54.99.5pulse_dose

Frequently asked questions

How much does the Inogen One G5 cost?

The Inogen One G5 has a US price of $2495 (Advertised/MAP price at oxygenconcentratorstore.com against a $4,099.00 manufacturer list price for the standard-battery kit.), as of 2026-08-01.

How does the Inogen One G5 compare on price?

At $2495, the Inogen One G5 is #4 cheapest of the 9 portable oxygen concentrators we track, where the median is $2640.

When was the Inogen One G5 released?

The Inogen One G5 was released 2019-04.

What are the Inogen One G5's key specs?

Inogen One G5 (Inogen): oxygen output ml 1260, flow settings 1–6, weight lb 4.7, battery life hr 13, delivery mode pulse_dose. Full sourced spec sheet verified 2026-08-01.

Price of record: $2495 at oxygenconcentratorstore.com, 2026-08-01. Other retailers may be lower — check the current price:

See Inogen One G5 on Amazon As an Amazon Associate we earn from qualifying purchases.

Similar portable oxygen concentrators

Nearest in price — swipe to browse. Every pick sourced and dated.

All portable oxygen concentrators ranked · Open data & methodology · Queryable via MCP

Compare with

Head-to-head

Cheaper portable oxygen concentrators

Step up

More from Inogen

Related categories