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If the RTC battery is low, the real-time clock and calendar
may display the incorrect time and date, or stop working.
NOTE
The computer can be used while the RTC battery is being
charged, although the charging status of the RTC battery
cannot be monitored.
Monitoring battery power
The computer's main battery light gives you an indication of
the main battery's current charge:
Green indicates the AC adapter has fully charged the
battery.
Amber indicates the AC adapter is charging the battery.
Off indicates that the battery is not being charged.
NOTE
Flashing amber indicates that the computer is using
battery power, and the battery's charge is running low.
It is seldom necessary to charge the RTC battery because it
charges while the computer is on. If the RTC battery is low, the
real-time clock and calendar may display the incorrect time
and date or stop working.
When Hibernation mode is enabled and the RTC battery is
completely discharged, a warning prompts you to reset the
real-time clock.
Battery life and charge time may vary, depending upon power
management settings, applications and features used.
Mobile Computing
Monitoring battery power
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