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Whether you close the display panel when you are not using the
keyboard - closing the display saves power.
■
The environmental temperature - operating time decreases at low
temperatures.
■
The condition of the battery terminals - you should always ensure the
terminals stay clean by wiping them with a clean dry cloth before
installing the battery pack.
Retaining data with power off
Refer to User Information Guide about Retaining time.
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 as detailed below.
a. Turn off the computer's power.
b. Disconnect the AC adaptor and turn on the computer's power - if it
c. Operate the computer on battery power for five minutes. If you find
d. Connect the AC adaptor to the DC IN 19V jack of the computer, and
e. Charge the battery pack until the Battery indicator glows green.
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If you have extra battery packs, rotate their use.
■
If you will not be using the system for an extended period, for example
for more than one month, remove the battery pack from the computer.
■
Store spare battery packs in a cool dry place out of direct sunlight.
Replacing the battery pack
Please be aware that the battery pack is classified as a consumable item.
The operating life of the battery pack will gradually reduce through
repeated charging and discharging, and will need to be replaced when it
reaches the end of its operating life. In addition to this, you might also
replace a discharged battery pack with a charged spare when you are
operating your computer away from an AC power source for an extended
period of time.
User's Manual
does not turn on then go to Step 4.
that the battery pack has at least five minutes of operating time,
continue operating until the battery pack is fully discharged,
however, if the Battery indicator flashes or there is some other
warning to indicate a low battery condition, go to Step 4.
to a wall outlet that is supplying power. The DC IN indicator should
glow green, and the Battery indicator should glow orange to
indicate that the battery pack is being charged, however, in the
event that DC IN indicator does not glow this indicates that power is
not being supplied - check the connections for the AC adaptor and
the power cord.
PORTÉGÉ/TECRA R700 Series
6-7
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