Toshiba TECRA M2 User Manual page 104

2nd battery indicator refers to the Slim Select Bay indicator when a
secondary battery is installed.
* 1 When the 2nd battery is not charging.
* 2 When the main battery is not charging.
* For the computer to shut down in hibernation mode, the hibernation feature must
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be enabled in two places in TOSHIBA Power Saver: the Hibernate window and the
Battery Alarm item of the Alarm window. If a main battery and a 2nd battery are
installed, the computer does not shut down until the charge in both batteries is
exhausted.
* 4 When no 2nd battery is installed.
* When no main battery is installed.
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When batteries are charged, the main battery is charged first. When it is fully
charged, the 2nd battery is charged.
TECRA M2
Power and Power-Up Modes
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