M7225 User’s Guide
10
Charging the M7225
The M7225 uses two batteries to supply power to the system. During
normal operation, the unit is powered from the main battery pack
installed in the rear battery compartment. During battery changes,
the system’s memory is retained by an internal backup battery.
The main battery is charged through the port located on the bottom
of the M7225 unit. To charge the main battery, insert the M7225 into
a charging cradle or a communications cradle.
The internal backup battery will be charged from the main battery
only when the main battery contains at least a 60% charge. This limits
the power being drawn from the main battery and conserves main
battery life. The backup battery will also charge when the M7225 is
seated properly in a charging cradle without regard to the main bat-
tery charge state.
IMPORTANT: Only use AML batteries and chargers. Use of any non-
AML branded batteries or chargers may cause damage not covered
under warranty.
Before Initial Use Full Charge Time
Main Battery 4 hours 5 hours
Backup Battery 1 hour 2 hours
Battery Charge Times
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