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Battery Operating Instructions
Ensure that the battery is in place and charged. Disconnect the Inogen One® G4 from its
power source. While the Inogen One® G4 is operating on battery power, the battery will
discharge. The display will indicate the estimated remaining percentage (%) or minutes of
use.
When the concentrator detects that the battery life is low, with less than 10 minutes
remaining, a low priority alert will sound. When the battery is empty, the alert will change
to a high priority.
When battery life is low, do one of the following:
• Plug the Inogen One® G4 into an AC or DC power source using the AC power supply or
DC cable.
• Replace the battery with a charged battery after turning off the Inogen One® G4
(by pressing the ON/OFF button). To remove battery press and hold the battery latch
button and slide battery off the concentrator.
• If the battery is drained, charge the battery or remove it from the concentrator.
If the Inogen One® G4 is being powered by the AC power supply or DC power, batteries will
charge during operation. Leaving your Inogen One® G4 plugged in past the full charge time will
not harm the concentrator or the battery.
WARNING It is the responsibility of the patient to periodically check the battery and
replace as necessary. Inogen assumes no liability for persons choosing not to
!
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adhere to manufacturers recommendations.
Normal Battery Charging
To ensure that your battery is properly charging, inspect that the correct AC and DC power
output plug adapter is being used and that the adapter is properly inserted into the power
outlet. Observe the display or lights that indicate charging status.
NOTE
When starting to charge a fully discharged battery, the charging process may
start and stop during the first few minutes.
Operating Instructions Chapter 3
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