Panasonic EY7442 Operating Instructions Manual page 11

[Battery Pack]
For Appropriate Use of
Battery pack
Li-ion Battery pack
• For optimum battery life, store the
Li-ion battery pack following use
without charging it.
• When charging the battery pack,
confirm that the terminals on the
battery charger are free of foreign
substances such as dust and water
etc. Clean the terminals before
charging the battery pack if any for-
eign substances are found on the
terminals.
The life of the battery pack terminals
may be affected by foreign sub-
stances such as dust and water etc.
during operation.
• When battery pack is not in use,
keep it away from other metal ob-
jects like: paper clips, coins, keys,
nails, screws, or other small metal
objects that can make a connection
from one terminal to another.
Shorting the battery terminals to-
gether may cause sparks, burns or a
fire.
• When operating the battery pack,
make sure the work place is well
ventilated.
• When the battery pack is removed
from the main body of the tool, re-
place the battery pack cover imme-
diately in order to prevent dust or dirt
from contaminating the battery ter-
minals and causing a short circuit.
Battery Pack Life
The rechargeable batteries have a
limited life. If the operation time be-
comes extremely short after re-
charging, replace the battery pack
with a new one.
Battery Recycling
ATTENTION:
For environmental protection and
recycling of materials, be sure that
it is disposed of at an officially as-
signed location, if there is one in
your country.
[Battery Charger]
Charging
Cautions
• If the temperature of the battery pack
falls approximately below 10°C
(14°F), charging will automatically
stop to prevent degradation of the
battery.
• The ambient temperature range is
between 0°C (32°F) and 40°C (104°F).
If the battery pack is used when the
battery temperature is below 0°C (32°F),
the tool may fail to function properly.
• When charging a cool battery pack
(below 0°C (32°F)) in a warm place,
leave the battery pack at the place
and wait for more than one hour to
warm up the battery to the level of
the ambient temperature.
• Cool down the charger when charg-
ing more than two battery packs
consecutively.
• Do not insert your fingers into con-
tact hole, when holding charger or
any other occasions.
To prevent the risk of fire or damage to
the battery charger.
• Do not use power source from an en-
gine generator.
• Do not cover vent holes on the charger
and the battery pack.
• Unplug the charger when not in use.
-  -