BATTERY FOR INOGEN ONE G4 - 2 hours
The package includes a lithium-ion battery for the Inogen One G4 Portable Oxygen Concentrator.

Features:

Over 2000 full charges
Quick release button
Base made of non-slip material
FAA approved for air flight
Sheet:

2-hour battery

4 Lithium-ion cells
Weight: 113,398 g (4 oz)
Charging time: about 3 hours
FAA approved
Equipped with non-slip grip
Quick release clip

Duration:
Setting 1: Approx. 3 hours
Setting 2: Approx. 2 hours
Setting 3: Approx. 1 hour