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Charge Management
•
When the device is in the charging cradle and reaches full charge, the
power management system allows the battery to discharge to a certain
level (4v ~ 75%) before it resumes charging until the battery reaches full
charge again. This is done to preserve a long battery life.
•
When the user pulls the device from the charger, the battery level will
depend on the state of the battery in this top-off/discharge cycle. This
is why the battery level could be lower than 100%, when pulled off the
charger, after a full 4 hour charge cycle
–
This has low impact on the 36 hour use time but could cause battery
warnings to go off sooner than expected.
•
If device goes below the expected discharge, new charge management
logic will then reboot the device to restore proper charging operation.
.
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