Toshiba PORTEGE R30t-D Series User Manual page 88

Batteries exhausted time (R30-D/A30-D)
When you turn off the power of your computer with batteries fully charged,
the batteries exhaust within the following approximate period.
Battery type
Battery pack
(45 Wh, 4 cell)
RTC battery
Batteries exhausted time (A40-D)
When you turn off the power of your computer with batteries fully charged,
the batteries exhaust within the following approximate period.
Battery type
Battery pack
(45 Wh, 4 cell)
RTC battery
Extending battery life
To maximize the life of your battery packs, do the following at least once a
month.
1.
2.
3.
User's Manual
The environmental temperature - operating time decreases at low
temperatures
System Sleep Mode
System Hibernation Mode
Display power off period
Whether you enable Sleep Mode, which can conserve battery power if
you are frequently turning the computer off and on
The condition of the battery terminals. Always ensure the terminals
stay clean by wiping them with a clean dry cloth before installing the
battery pack
Sleep Mode
about 3 days
about 7 years
Sleep Mode
about 4 days
about 8 years
Turn off the computer's power.
Disconnect the AC adaptor and turn on the computer's power. If it
does not turn on then go to Step 4.
Operate the computer on battery power for five minutes. If you find
that the battery pack has at least five minutes of operating time,
continue operating until the battery pack is fully discharged. However,
if the DC IN/Battery indicator flashes or there is some other warning
to indicate a low battery condition, go to Step 4.
Shut Down Mode
about 65 days
about 7 years
Shut Down Mode
about 60 days
about 8 years
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