HHZ Respiratory Review

Inogen Rove 4 review: specs, battery and price

3 min read By HHZ Editorial Next review

The Inogen Rove 4 is a 2.9 lb pulse-dose portable oxygen concentrator with four settings (up to 840 mL/min), 90% oxygen, 39 dBA at setting 2 and an operating altitude up to 10,000 ft. Inogen lists up to 3 h 12 min on the standard battery and 6 h 7 min on the extended battery at setting 1. It cost $2,995 direct from Inogen on 13 October 2026, with a 3-year warranty. It suits people prescribed a low pulse setting who value weight above all. This review is based on documents, not hands-on testing.

How we reviewed this: HHZ didn’t test this concentrator hands-on. This review is written from the manufacturer’s user manual, spec sheet and product page, linked below, plus a U.S. retail price checked on 13 October 2026. We don’t report comfort, noise or reliability impressions we haven’t measured. Your prescriber decides whether a pulse-dose or continuous-flow device meets your needs.

Key specs

SpecInogen Rove 4Source
Price (U.S.)$2,995Inogen
DeliveryPulse dose only, settings 1–4User manual 96-11126-00-02 D
Oxygen per minute210 / 420 / 630 / 840 mL (±15%)Manual
Oxygen concentration90% (−3%/+6%) at all settingsManual
Weight2.9 lb (standard), 3.1 lb (intermediate), 3.4 lb (extended battery)Manual
Size5.9 x 2.7 x 7.5 in (standard battery)Manual
Sound39 dBA at setting 2Manual
Power consumption85 W maxManual
Recharge timeUp to 3.5 h (standard), 3 h (intermediate), 4 h (extended)Manual
Operating altitude0–10,000 ftManual
Operating temperature41–104°F; 15–90% humidityManual
Expected service life8 years; sieve beds 1 year; batteries 500 cyclesManual
Warranty3 years (lifetime option); sieve beds and accessories 1 yearInogen

Battery life

BatterySetting 1 (Inogen product page)Setting 2 (manual)
Standard (BA-400)Up to 3 h 12 minMore than 2 h
Intermediate (BA-404)Not listedMore than 2 h 30 min
Extended (BA-408)Up to 6 h 7 minMore than 4 h

Battery time drops as the setting rises. For a full-day outing, carry a spare or the extended battery. See POC battery life.

Source conflicts we found

  • Weight: the page title says “2.8 lb”, but the same page’s specs and the manual say 2.9 lb with the standard battery.
  • Recharge time: the product page lists up to 3 hours for the standard battery; the manual lists up to 3 hours 30 minutes for the BA-400.
  • Service life: the manual states 8 years. Inogen’s product FAQ says “up to 8 years when used less than 5 hours per day”.

Who it suits

You…Fit
Are prescribed pulse setting 1–4Good
Need more than 840 mL/min or setting 5–6Choose the Rove 6
Need continuous flow or oxygen during sleep with CPAPNot suitable; see pulse vs continuous
Want the lightest unitStrong choice

Verdict

From the documents, the Rove 4 is the lightest Inogen unit, at 2.9 lb, and comes with Inogen’s 8-year rated service life. The trade-off is a ceiling of 840 mL/min and short standard-battery runtime. If your prescription might rise, the Rove 4 vs Rove 6 comparison is worth reading first.

Related: best portable oxygen concentrators, FAA rules for POCs, POC warranties compared.

Frequently asked questions

How much does the Inogen Rove 4 weigh?
2.9 lb with the standard BA-400 battery, 3.1 lb with the intermediate BA-404 and 3.4 lb with the extended BA-408, per Inogen's user manual (96-11126-00-02 D).
How much oxygen does the Rove 4 deliver?
Four pulse-dose settings delivering 210, 420, 630 and 840 mL of oxygen per minute (±15%), at 90% (−3%/+6%) concentration. It has no continuous-flow mode.
How long does the Rove 4 battery last?
Inogen's product page lists up to 3 hours 12 minutes on the standard battery and up to 6 hours 7 minutes on the extended battery at setting 1. The manual's battery table lists more than 2, 2.5 and 4 hours at setting 2 for the standard, intermediate and extended batteries.
Can I use the Rove 4 with CPAP?
No. The manual says not to use it with a humidifier, nebulizer or CPAP, or in series or parallel with other oxygen devices.
What's the Rove 4 warranty?
Three years on the concentrator, with an optional lifetime warranty when bought from Inogen; sieve beds and accessories have 1 year, per Inogen's product page. The manual lists an 8-year expected service life, 1 year for the sieve beds and 500 charge cycles for batteries.

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