Most important characteristics:

Tip: Are you going to travel by plane? Then it is recommended – or even required – to bring with you one or more extra batteries on board.

Inogen One G4 Battery (4 cell)

The Inogen One G4 battery enables you to go out with your portable oxygen concentrator. With this 4 cell battery, you can be on the road for up to 2 hours without recharging. It's so small, you can easily fit an extra battery in your bag or purse!

Charge and running time:

With the concentrator, you can charge one battery at a time. To charge multiple batteries, or separately from the concentrator, you can use the external battery charger.