How long will the batteries last with the Inogen G4?

Inogen One G4 battery duration is up to 2.6 hours with single battery and up to 5 hours with double battery. Durations listed below are averages, not exact measurements.

Setting of 1: 2 hours 40 minutes with the small and 5 hours with the large battery
Setting of 2: 2 hours 15 minutes with the small and 4 hours 30 minutes with the large battery
Setting of 3: 1 hour 20 minutes with the small and 2 hours 30 minutes with the large battery

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