ResMed Astral Series Clinical Manual page 72

2. Battery information
The battery information can be accessed from the Battery sub-menu in the Information menu. This
menu has two tabs:
-
Charge—displays the current charge level (0-100%) for any batteries currently detected by the
system, as well as the total system charge.
-
Maintenance—displays the full charge capacity and the charge cycle count for any batteries
currently detected by the system.
Regularly check the charge level of the internal battery and any connected external batteries. It is
recommended to replace any batteries at 400 charge cycles.
Power management
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