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liquids, gases or dust. Inserting or removing the battery 
pack from the charger may ignite the dust orfumes.
•  NEVER force the battery pack into the charger. DO 
NOT modify the battery pack in any way to fit into a 
non‑compatible charger as battery pack may rupture 
causing serious personal injury. Consult the chart 
at the end of this manual for compatibility of batteries 
andchargers.
•  Charge the battery packs only in 
chargers.
•  DO NOT splash or immerse in water or otherliquids.
•  DO NOT allow water or any liquid to enter batterypack.
•  Do not store or use the tool and battery pack in 
locations where the temperature may reach or 
exceed 104°F (40°C) (such as outside sheds or metal 
buildings in summer). For best life store battery packs in 
a cool, drylocation. 
NOTE: Do not store the battery packs in a tool with 
the trigger switch locked on. Never tape the trigger 
switch in the ONposition.
•  Do not incinerate the battery pack even if it is 
severely damaged or is completely worn out. The 
battery pack can explode in a fire. Toxic fumes and 
materials are created when lithium‑ion battery packs 
areburned.
•  If battery contents come into contact with the skin, 
immediately wash area with mild soap and water. If 
battery liquid gets into the eye, rinse water over the open 
eye for 15minutes or until irritation ceases. If medical 
attention is needed, the battery electrolyte is composed of a 
mixture of liquid organic carbonates and lithiumsalts.
•  Contents of opened battery cells may cause 
respiratory irritation. Provide fresh air. If symptoms 
persist, seek medicalattention.
•  Battery liquid may be flammable if exposed to spark 
orflame.
•  Never attempt to open the battery pack for any 
reason. If the battery pack case is cracked or 
damaged, do not insert into the charger. Do not crush, 
drop or damage the battery pack. Do not use a battery 
pack or charger that has received a sharp blow, been 
dropped, run over or damaged in any way (e.g., pierced 
with a nail, hit with a hammer, stepped on). Damaged 
battery packs should be returned to the service center 
forrecycling.
Storage Recommendations
The best storage place is one that is cool and dry, away 
from direct sunlight and excess heat or cold.  Store the fully 
charged battery pack out of thecharger.
Battery Pack Cleaning Instructions
Dirt and grease may be removed from the exterior of the 
battery pack using a cloth or soft non-metallic brush. Do not 
use water or any cleaningsolutions.
Fuel Gauge Battery Packs (Fig.B)
Some  battery packs include a fuel gauge. When the 
fuel gauge button is pressed and held, the LED lights 
READ ALL INSTRUCTIONS
Important Safety Instructions for All 
Battery Packs
 
WARNING: Read all safety warnings, instructions, 
and cautionary markings for the battery pack, 
charger and product. Failure to follow the 
warnings and instructions may result in electric 
shock, fire and/or seriousinjury.
•  Do not charge or use the battery pack in explosive 
atmospheres, such as in the presence of flammable 
BATTERIES AND CHARGERS
The battery pack is not fully charged out of the carton. 
Before using the battery pack and charger, read the 
safety instructions below and then follow charging 
proceduresoutlined. When ordering replacement battery 
packs, be sure to include the catalog number andvoltage.
The label on your tool may include the following symbols. The 
symbols and their definitions are asfollows:
BPM .................... beats per minute
V .........................  volts
min ..................... minutes
j
 or DC ............direct current
…/min ..............per minute
RPM ....................  revolutions  per 
minute
A ......................... amperes
Hz .......................hertz
W ........................watts
Wh ......................watt hours
n
o
 .......................no load speed
n .........................rated speed
c
 .....................safety alert symbol
h
 ..................... wear  respiratory 
protection
f
 ..................... wear eye protection
i
 ..................... Class II Construction 
(double insulated)
g
 ..................... wear  hearing 
protection
a
 ..................... read  all 
documentation
n
 ..................... avoid staring at 
light
l
 or AC............alternating current
Ah .......................  amp  hours
•  Wear protective clothing and wash exposed areas 
with soap and water. Allowing dust to get into your 
mouth, eyes, or lay on the skin may promote absorption 
of harmfulchemicals. Direct particles away from face 
andbody.
•  Use the appropriate dust extractor vacuum to remove 
the vast majority of static and airborne dust. Failure 
to remove static and airborne dust could contaminate the 
working environment or pose an increased health risk to 
the operator and those in closeproximity.
•  Use clamps or other practical ways to secure and 
support the workpiece to a stable platform. Holding 
the work by hand or against your body is unstable and may 
lead to loss ofcontrol andinjury.
•  Air vents often cover moving parts and should be 
avoided. Loose clothes, jewelry or long hair can be caught 
in movingparts.
 
CAUTION: When not in use, place tool on its 
side on a stable surface where it will not cause 
a tripping or falling hazard. Some tools with large 
battery packs will stand upright on the battery pack 
but may be easily knockedover.