Panasonic EY7940 - Manual (Page 11)

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[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
foreign substances are found on the
terminals.
The life of the battery pack terminals may
be affected by foreign substances such
as dust and water etc. during operation.
When battery pack is not in use, keep it
● ●
away from other metal objects 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 together
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, replace the
battery pack cover immediately in order
to prevent dust or dirt from contaminating
the battery terminals and causing a short
circuit.
Battery Pack Life
The rechargeable batteries have
a limited life. If the operation time
b e c o m e s e x t r e m e l y s h o r t a f t e r
recharging, 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 assigned
location, if there is one in your country.
[Battery Charger]
Charging
CAUTION:
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.
C o o l d o w n t h e c h a r g e r w h e n
● ●
charging more than two battery packs
consecutively.
Do not insert your fingers into contact
● ●
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 engine
● ●
generator.
Do not cover vent holes on the charger
● ●
and the battery pack.
Unplug the charger when not in use.
● ●
NOTE:
Your battery pack is not fully charged at
the time of purchase. Be sure to charge
the battery before use.
EY7441_EY7940_Book.indb 11 2010-6-22 15:57:48