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• If the overheating protection feature
activates, allow the tool to cool thor-
oughly (at least 30 minutes). The
tool is ready for use when the over-
heat warning lamp goes out.
• Avoid using the tool in a way that
causes the overheating protection
feature to activate repeatedly.
•
If the tool is operated continuously un-
der high-load conditions or if it is used
in hot-temperature conditions (such as
during summer), the over-heating pro-
tection feature may activate frequently.
• If the tool is used in cold-tempera-
ture conditions (such as during win-
ter) or if it is frequently stopped dur-
ing use, the overheating protection
feature may not activate.
(3) Battery low warning lamp
Off
(normal
operation)
Flashing
(No charge)
Battery protection
feature active
Excessive (complete) discharging of
lithium ion batteries shortens their
service life dramatically. The driver in-
cludes a battery protection feature
designed to prevent excessive dis-
charging of the battery pack.
• The battery protection feature ac-
tivates immediately before the bat-
tery loses its charge, causing the
battery low warning lamp to flash.
• If you notice the battery low warning
lamp flashing, charge the battery
pack immediately.
Battery Pack Life
The rechargeable batteries have
a limited life. If the operation time
becomes extremely short after
recharging, replace the battery pack
with a new one.
Battery Recycling
ATTENTION:
A Li-ion battery that is recyclable powers
the product you have purchased. Please
call 1-800-8-BATTERY for information on
how to recycle this battery.
[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
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.
EY7442_7450_7950(UL).indb 11 2011-2-17 11:48:04