Inogen One G4 Single Battery
Enjoy restriction free portable operation of the Inogen One G4 portable oxygen concentrator, while enjoying the lightest possible package with the G4 single battery.

Unlike cumbersome medical oxygen tanks that need to be refilled or replaced, when the single battery dies simply recharge it using one of the 3 available options. You can minimize the usage of charging options by purchasing additional single batteries for your Inogen One G4.

Regain your freedom to run errands, attend family events, catch up with friends for lunch, and so much more with the help of an additional Inogen One G4 single battery.

Freedom Enhancing Battery Life
No longer experience the fear and worry of completely depleting your oxygen tanks while away from home. Instead, the rechargeable Inogen One G4 standard battery will keep your oxygen levels saturated for up to 2 hours and 15 minutes on a setting of 2. All while delivering the lightest possible package.

On the other hand, if you don't mind a little additional weight in exchange for over double the battery life, check out the G4 double battery.

Battery Life:
Pulse Flow RateBattery Life:
1Up to 2 Hours and 40 Minutes
2Up to 2 Hours and 15 Minutes
3Up to 1 Hour and 20 Minutes

*Battery Life is Dependent on Patient's BPM.