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Charging other types of battery packs may cause them to
overheat and burst, resulting in personal injury, property
damage, fire, electric shock or electrocution.
Do not expose the charger to rain or snow.
•
Do not allow water or any liquid to enter charger.
•
Pull by the plug rather than the cord when
•
disconnecting the charger. This will reduce the risk of
damage to the electric plug and cord.
Make sure that the cord is located so that it will not
•
be stepped on, tripped over or otherwise subjected to
damage or stress.
Do not use an extension cord unless it is absolutely
•
necessary. Use of improper extension cord could result in
risk of fire, electric shock or electrocution.
•
When operating a charger outdoors, always provide
a dry location and use an extension cord suitable
for outdoor use. Use of a cord suitable for outdoor use
reduces the risk of electric shock.
An extension cord must have adequate wire size
•
(AWG or American Wire Gauge) for safety. The smaller
the gauge number of the wire, the heavier the cord and
thus the greater its capacity. An undersized cord will
cause a drop in line voltage resulting in loss of power and
overheating. The following table shows the correct size
to use depending on total length of all extension cords
plugged together, and nameplate ampere rating. If in
doubt, use the next heavier gauge.
Minimum gauge for Cord sets
Volts
120V
25 (7.6)
Ampere Rating
More Than Not More
Than
0
6
18
6
10
18
10
12
16
12
16
14
Do not place any object on top of the charger or
•
place the charger on a soft surface that might block
the ventilation slots and result in excessive internal
heat. Place the charger in a position away from any heat
source. The charger is ventilated through slots inside the
storage door.
Do not operate the charger with a damaged cord
•
or plug. Have them replaced immediately.
If the supply cord is damaged, it must be replaced
•
by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
Do not operate the charger if it has received a sharp
•
blow, been dropped or otherwise damaged in any
way. Take it to an authorized service center.
Do not disassemble the charger; take it to an
•
authorized service center when service or repair
is required. Incorrect reassembly may result in a risk of
electric shock, electrocution or fire.
8
Total length of Cord in Feet
(meters)
50 (15.2) 100 (30.5) 150 (45.7)
American Wire gauge
16
16
16
14
16
14
12
Not Recommended
The charger is designed to operate on standard 120V
•
household electrical power. Do not attempt to use it
on any other voltage.
Foreign materials of a conductive nature, such as, but
•
not limited to, grinding dust, metal chips, steel wool,
aluminum foil or any buildup of metallic particles
should be kept away from the charger cavities and
ventilation slots.
Always unplug the charger from the power supply
•
when there is no battery pack in the cavity.
Charging a Battery (Fig. A, E, F)
1. Plug the charger into an appropriate outlet.
2. Insert and fully seat battery packs. The red charging
light(s)
6
will continuously blink while charging.
3. Charging is complete when the red charging light(s)
remain(s) continuously ON. Battery packs can be left in
charger or removed. Some chargers require the battery
pack release button to be pressed for removal.
WARNING: Only charge batteries in air temperature
over 40 ° F (4.5 ° C) and below 104 ° F (+40 ° C).
4. Charger will not charge a faulty battery pack, which may
be indicated by the charging light(s) staying OFF. Take
charger and battery pack to an authorized service center
if light(s) stay(s) OFF.
hot/Cold Pack Delay
When the charger detects a battery pack that is too hot
or too cold, it automatically starts a Hot/Cold Pack Delay,
suspending charging until the battery pack has reached an
appropriate temperature. The charger then automatically
switches to the pack charging mode. This feature ensures
maximum battery pack life.
A cold battery pack may charge at a slower rate than a warm
battery pack.
14
The hot/cold pack delay will be indicated by the red light(s)
12
continuing to blink but with the yellow light(s) continuously
12
ON. Once the battery pack has reached an appropriate
temperature, the yellow light(s) will turn OFF and the charger
will resume the charging procedure.
The DWST08050 charger is equipped with an internal fan. The
fan will turn on automatically when a battery is being charged.
CAUTION: Never operate the charger if the fan
does not operate or if the ventilation slots are
blocked. Do not permit foreign objects to enter
the interior of the charger.
nOTE: To ensure maximum performance and life of lithium-
ion battery packs, charge the battery pack fully before first use.
1. Plug the charger into an appropriate outlet before
inserting battery pack.
2. To unlock the storage door
handles
3
the latch pin slot
3. Open the storage door
compartment
4. Slide the battery pack
charger rails
seated. The left or right side charging light
continuously indicating that the charging process
2
, flip up the door latch
and lift and move the metal latches
5
of the storage door.
2
to access the storage
12
and the battery charger
20
onto the left or right side
14
, making sure the battery is fully
4
from
13
.
6
will blink
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