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5. Never charge outdoors. Keep the battery away
from direct sunlight and use only where there is
low humidity and good ventilation.
6. Never charge when the temperature is below
32°F (0°C) or above 104°F (40°C).
Charging the battery at temperatures outside
the range of 32°F – 104°F (0°C – 40°C) may
prevent proper charging and reduce battery
life.
7. Never connect two battery chargers together.
8. Never insert foreign objects into the hole for the
battery or the battery charger.
9. Never use a booster transformer when
charging.
10. Never use an engine generator or DC power to
charge.
11. Never store the battery or battery charger in
places where the temperature may reach or
exceed 104°F (40°C).
12. Always operate charger on standard
household electrical power (120 volts). Using
the charger on any other voltage may overheat
and damage the charger.
13. Always wait at least 15 minutes between
charges to avoid overheating the charger.
14. Always disconnect the power cord from its
receptacle when the charger is not in use.
CAUTION ON LITHIUM-ION
BATTERY
To extend the lifetime, the lithium-ion battery equips
with the protection function to stop the output.
In the cases of 1 to 3 described below, when using
this product, even if you are pulling the switch, the
motor may stop. This is not the trouble but the result
of protection function.
1. When the battery power remaining runs out, the
motor stops.
In such case, charge it up immediately.
2. If the tool is overloaded, the motor may stop.
In this case, release the switch of tool and
eliminate causes of overloading. After that, you
can use it again.
3. If the battery is overheated under overload
work, the battery power may stop.
In this case, stop using the battery and let the
battery cool. After that, you can use it again.
Furthermore, please heed the following warning
and caution.
WARNING
In order to prevent any battery leakage,
heat generation, smoke emission,
explosion and ignition beforehand, please
be sure to heed the following precautions.
1. Make sure that swarf and dust do not collect on
the battery.
○ During work make sure that swarf and dust do
not fall on the battery.
○ Make sure that any swarf and dust falling on
the power tool during work do not collect on the
battery.
○ Do not store an unused battery in a location
exposed to swarf and dust.
○ Before storing a battery, remove any swarf and
dust that may adhere to it and do not store it
together with metal parts (screws, nails, etc.).
2. Do not pierce battery with a sharp object such
as a nail, strike with a hammer, step on, throw
or subject the battery to severe physical shock.
3. Do not use an apparently damaged or deformed
battery.
4. Do not use the battery in reverse polarity.
5. Do not connect directly to an electrical outlets
or car cigarette lighter sockets.
6. Do not use the battery for a purpose other than
those specifi ed.
7. If the battery charging fails to complete even
when a specifi ed recharging time has elapsed,
immediately stop further recharging.
8. Do not put or subject the battery to high
temperatures or high pressure such as into
a microwave oven, dryer, or high pressure
container.
9. Keep away from fi re immediately when leakage
or foul odor are detected.
10. Do not use in a location where strong static
electricity generates.
11. If there is battery leakage, foul odor, heat
generated, discolored or deformed, or in any
way appears abnormal during use, recharging
or storage, immediately remove it from the
equipment or battery charger, and stop use.
CAUTION
1. If liquid leaking from the battery gets
into your eyes, do not rub your eyes and
wash them well with fresh clean water
such as tap water and contact a doctor
immediately.
If left untreated, the liquid may cause eye-
problems.
2. If liquid leaks onto your skin or clothes,
wash well with clean water such as tap
water immediately.
There is a possibility that this can cause
skin irritation.
3. If you fi nd rust, foul odor, overheating,
discolor, deformation, and/or other
irregularities when using the battery for the
fi rst time, do not use and return it to your
supplier or vendor.