The Inogen One G4 Single Battery powers your Inogen One G4 concentrator when you’re away from a power source to give you complete freedom and mobility.
With an extra single battery, you can have a backup battery in place while traveling around town or around the country. Stay active for a longer period of time with your Inogen One! An extra single battery will give you up to 2.7 hours of battery life.*
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*Battery time varies with flow setting