Retaining Data With Power Off; Extending Battery Life - Toshiba Satellite L635 Series User Manual

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Closing the display when you are not using the keyboard saves power.
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Operating time decreases at low temperatures.
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The condition of the battery terminals. Make sure the battery terminals
stay clean by wiping them with a clean dry cloth before installing the
battery pack.

Retaining Data with Power off

When you turn off your computer with fully charged batteries, the batteries
retain data for the following approximate time periods.
Battery type
Battery pack (3 cell)
Battery pack (6 cell)
Battery pack (12 cell)

Extending Battery Life

To maximize the life of your battery packs:
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At least once a month, disconnect the computer from a power source
and operate it on battery power until the battery pack fully discharges.
Before doing so, follow the steps below.
1. Turn off the computer's power.
2. Disconnect the AC adaptor and turn on the computer's power. If it
3. Operate the computer on battery power for five minutes. If the
4. Connect the AC adaptor to the computer and the power cord to a
5. Charge the battery pack until the Battery indicator glows
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If you have extra battery packs, rotate their use.
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If you will not be using the system for an extended period more than
one month, remove the battery pack.
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Disconnect the AC adaptor when the battery is fully charged.
Overcharging makes the battery hot and shortens life.
User's Manual
Retention Time
does not turn on then go to Step 4.
battery pack has at least five minutes of operating time, continue
operating until the battery pack is fully discharged. If the battery LED
flashes or there is some other warning to indicate a low battery, go
to step 4.
power outlet. The DC IN LED should glow white/green, and the
Battery LED should glow amber to indicate that the battery pack is
being charged. If the DC IN indicator does not glow, power is not
being supplied. Check the connections for the AC adaptor and
power cord.
white/green.
Power and Power-up Modes
State and Retention Time
about 28 hours (Sleep Mode)
about 28 days (Shut Down Mode)
about 40 hours (Sleep Mode)
about 18.5 days (Shut Down Mode)
about 93 hours (Sleep Mode)
about 41.5 days (Shut Down Mode)
6-10