NEW Inogen One G4 Portable Oxygen Concentrator 4 Cell - The Oxygenstore
NEW Inogen One G4 Portable Oxygen Concentrator 4 Cell - The Oxygenstore
NEW Inogen One G4 Portable Oxygen Concentrator 4 Cell - The Oxygenstore

Inogen One G4 Portable Oxygen Concentrator + 4 Cell Battery


With VAT relief: £2,439.15
Including VAT: £2,926.98

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 Vat ExemptFaa Approved Portable Oxygen Concentrator





The innovative G4 Inogen One portable oxygen concentrator is the smallest and lightest oxygen concentrator ever, developed by the company Inogen One and soon available in our webshop. Compared with the Inogen One G3, the G4 is more than 40% lighter and about half of the size of a G3.

Inogen One G4 Units all include a 3 Year Warranty


Approved by the FAA for airline travel, the Inogen One G4 Concentrator is AC powered, DC powered by your car battery, and DC powered by portable rechargeable batteries.

The AC power supply is auto sensing to allow world wide use.

Oxygen flow is pulse dose with three settings from 1 to 3.

Noise output is a modest 40 decibels.

The G4 Oxygen Concentrator is used for both daytime oxygen and night-time oxygen and is specifically designed for 24 hour usage.

Just turn the G4 Oxygen Concentrator on and go!


  • Lightweight and small design provides easy portability.
  • Worldwide power sensor is standard.
  • Low maintenance requirements, just simply clean or replace filters regularly.
  • Intelligent Delivery Technology.
  • Easy to read LCD display.
  • Batteries chargeable by AC or DC power.


 Price Match




Length: 5.91" ;Width: 2.68"; Height: 7.2"

Weight: 2.8 lbs. (4 Cell Single Battery Included) 

Oxygen Dose Method: Pulse.

Oxygen Maximum Output: 1260 mL.

Oxygen Concentration: 90% -3% / + 6% at all settings.

Noise: 40 dBA.

Average Power Consumption: 40W.

Power Requirements: Universal Power Supply: AC Input: 100 to 240 VAC, 50 to 60 Hz, Auto-Setting: 1.0A DC Input: 13.5-15 VDC, 10A. DC Output: 19VCD, 5.0A max.

Battery Life : Up to 3.25 Hours (Single Battery) Up to 6 hours (Double Battery)


Battery Recharge Time

24 Cell Battery: 2 to 4 hours.

Operating Altitude: 10,000 feet above sea level.

FAA approved.

Warm Up Time: 2 minutes. Compressor Life: 20,000 to 30,000 hours, a leader in the industry.

Manufacturer: Inogen

Inogen One G4 Portable Oxygen Concentrator

Warranty: 3 years limited, 1 yr sieve beds, 1 yr accessories.



The lightweight and small design of the Inogen One G4 Portable Oxygen Concentrator allows active oxygen users the freedom and independence that they are missing when using traditional oxygen therapy devices. The Inogen One G4 can be used for stationary oxygen, portable oxygen and for traveling.


Inogen One G4 Battery Duration



What's Included?

1 x Inogen One G4 Portable Oxygen Concentrator

1 x Battery

1 x Operator Manual

1 x Carry Case

1 x Shoulder  Strap

1 x 12v DC Car Lead

1 x UK Mains Lead or 1 x European Schuko Mains Lead

1 x Tubing and Cannula




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