Panasonic CF-50 Series Operating Instructions Manual page 8

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Do not touch the terminals on the battery pack. The
battery pack may no longer function properly if the
contacts are dirty or damaged.
Do not expose the battery pack to water, or allow it to
become wet.
If the battery pack will not be used for a long period of
time (a month or more), charge or discharge (use) the
battery pack until the remaining battery level becomes
30% to 40% and store it in a cool, dry place.
This computer prevents overcharging of the battery by
recharging only when the remaining power is less than
approx. 95% of capacity.
The battery pack is not charged when the computer is
first purchased. Be sure to charge it before using it for
the first time. When the AC adaptor is connected to
the computer, charging begins automatically.
Should the battery leak and the fluid get into your eyes,
do not rub your eyes. Immediately flush your eyes with
clear water and see a doctor for medical treatment as
soon as possible.
NOTE
The battery pack may become warm during
recharging or normal use. This is completely nor-
mal.
Recharging will not commence outside of the
allowable temperature range (0
°
to 122 F}) (⇒ Reference Manual "Battery Power").
Once the allowable range requirement is satisfied,
charging begins automatically. Note that the
recharging time varies based on the usage condi-
tions. (Recharging takes longer than usual when
the temperature is 10
If the temperature is low, the operating time is
shortened. Only use the computer within the
allowable temperature range.
The battery pack is a consumable item. If the
amount of time the computer can be run off a par-
ticular battery pack becomes dramatically shorter
and repeated recharging does not restore its per-
formance, the battery pack should be replaced
with a new one.
When transporting a spare battery inside a pack-
age, briefcase, etc., it is recommended that it be
placed in a plastic bag so that its contacts are pro-
tected.
Always power off the computer when it is not in
use. Leaving the computer on when the AC adap-
tor is not connected will exhaust the remaining bat-
tery capacity.
8
° C to 50 ° C {32 °
° °
C {50 F} or less.)
F