For the Inogen One G4.
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 3 hours of battery life.* Order yours today! Specifications: Rechargeable Lithium-Ion Battery for Inogen One G4 Model Battery Duration: Up to 3 hours* *Battery time varies with flow setting Clear step-by-step instructions enable you to easily switch out the column pair without tools – without having to send the Inogen One G3 in for repair like you would with other portable concentrators!
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