©2022 Inogen, Inc. All rights reserved. Page 14 of 356 96-12100-01-01-A
6.2.3 CHARGING THE BATTERIES
The concentrator will recharge the battery any time the battery is installed and the device is connected to an exter-
nal AC or DC power source (except on an airplane). You will know the battery is charging when the battery icon on
the device’s display has a lightning bolt going through it as shown:
The battery is fully charged and is charging
as necessary to maintain its charge.
Battery is charging with charge level <98%
Battery is charging with charge level <89% Battery is charging with charge level <79%
Battery is charging with charge level <69% Battery is charging with charge level <59%
Battery is charging with charge level <49% Battery is charging with charge level <39%
Battery is charging with charge level <29% Battery is charging with charge level <19%
Battery is charging with charge level <10% The device is operating from an external
power source with no battery present, or
the external power source is insufficient to
charge the battery.
When starting to charge a fully drained battery, the charging process may start and stop during the first few min-
utes. This is normal.
Leaving your device plugged in past the full charge time will not harm the device or the battery. If using multiple
batteries, make sure that each battery is labeled (1, 2, 3 or A, B, C, etc.) and rotate on a regular basis.
6.2.4 BATTERY LIFETIME AND CARE
The device’s batteries are designed to last 500 charge/discharge cycles. To extend the run-time of your battery:
• Avoid running the device in temperatures less than 41˚F (5˚C) or higher than 95˚F (35˚C) for extended periods of time.
• Store in a cool, dry place with a charge of at least 40-50%.
• Keep liquids away from batteries. If batteries become wet, discontinue use immediately and dispose of battery
properly.
Batteries should be charged up to a full charge and discharged down to 0% at least once every 90 days to maintain
maximum life.
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