Inogen One G4 Single Battery
Inogen One G4 single battery can last up to 3 hours at a flow setting of 2 when it is fully charged. The rechargeable lithium-ion single battery is a perfect power source to give you independence and mobility for trips or other activities. The G4 single battery will also fit comfortably in your backpack, accessory bags or purses. The battery can be charged in under 3 hours and will charge while the Inogen G4 is connected to an AC or DC power supply. It can easily be charged with the Inogen One G4 External Battery Charger.