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• Donotstoreorusethetoolandbattery
packinlocationswherethetemperature
mayreachorexceed40˚C(105°F)(suchas
outsideshedsormetalbuildingsinsummer).
DANGER: Electrocution hazard. Never
attempt to open the battery pack for
any reason. If battery pack case is
cracked or damaged, do not insert into
charger. Electric shock or electrocution
may result. Damaged battery packs
should be returned to service center for
recycling.
WARNING:Never attempt to open the
battery pack for any reason. If battery
pack case is cracked or damaged, do
not insert into charger. Do not crush,
drop or damage 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 (i.e.,
pierced with a nail, hit with a hammer,
stepped on). Damaged battery packs
should be returned to service center
for recycling.
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 knocked
over.
SPECIFIC SAFETY INSTRUCTIONS FOR NICKEL CADMIUM
(NiCd) OR NICKEL METAL HYDRIDE (NiMH)
• Donotincineratethebatterypackevenifit
isseverelydamagedoriscompletelyworn
out. The battery pack can explode in a fire.
• Asmallleakageofliquidfromthebattery
pack cells may occur under extreme usage
or temperature conditions. This does not
indicate a failure.
However, if the outer seal is broken:
a. and the battery liquid gets on your skin,
immediately wash with soap and water for
several minutes.
b. and the battery liquid gets into your eyes,
flush them with clean water for a minimum
of 10 minutes and seek immediate medical
attention. (Medical note: The liquid is
25-35% solution of potassium hydroxide.)
SPECIFIC SAFETY INSTRUCTIONS FOR LITHIUM ION
(LI ION)
• Donotincineratethebatterypackevenifit
isseverelydamagedoriscompletelyworn
out. The battery pack can explode in a fire.
Toxic fumes and materials are created when
lithium ion battery packs are burned.
• Ifbatterycontentscomeintocontactwith
theskin,immediatelywashareawithmild
soapandwater.If battery liquid gets into the
eye, rinse water over the open eye for
15 minutes or until irritation ceases. If medical
attention is needed, the battery electrolyte
is composed of a mixture of liquid organic
carbonates and lithium salts.
• Contentsofopenedbatterycellsmaycause
respiratory irritation. Provide fresh air. If
symptoms persists, seek medical attention.
WARNING:Burn hazard. Battery liquid
may be flammable if exposed to spark
or flame.
Battery Cap (fig. 2)
A protective battery cap (q) is supplied to cover the
contacts of a detached battery pack. Without the
protective cap in place, loose metal objects could
short circuit the contacts, causing a fire hazard and
damaging the battery pack.
1. Take off the protective battery cap (q) before
placing the battery pack (d) in the charger
or tool.
2. Place the protective cap over the contacts
immediately after removing the battery pack
from the charger or tool.
WARNING: Make sure the protective
battery cap is in place before storing or
carrying a detached battery pack.
Battery Pack (fig. 1)
DC540, DC542, DC547, DC548 BATTERY TYPE
The DC540 and DC542 operate on 12 volt battery
packs. The DC547and DC548 operate on 18 volt
battery packs.
Storage Recommendations
1. The best storage place is one that is cool and
dry away from direct sunlight and excess heat
or cold.
2. Long storage will not harm the battery pack or
charger. Under proper conditions, they can be
stored for 5 years or more.
Labels on Charger and Battery Pack
In addition to the pictographs used in this manual,
the labels on the charger and the battery pack show
the following pictographs:
