DeWalt DCD771 - Charging Process and Battery Pack Safety; Charging Process Overview; Hot;Cold Pack Delay Feature; Battery Pack Safety Instructions

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on the top and sides of the charger. Place
the charger in a position away from any heat
source.
 • Donotoperatechargerwithdamagedcord
or plug — have them replaced immediately.
 • Do not operate charger if it has received
a sharp blow, been dropped or otherwise
damaged in any way. Take it to an authorised
service centre.
 • Donotdisassemblethecharger;take
it to an authorised service centre when
service or repair is required. Incorrect
reassembly may result in a risk of electric shock,
electrocution or fire.
 • Incaseofdamagedpowersupplycordthe
supply cord must be replaced immediately by
the manufacturer, its service agent or similar
qualified person to prevent any hazard.
 • Disconnectthechargerfromtheoutlet
beforeattemptinganycleaning.Thiswill
reduce the risk of electric shock. Removing
the battery pack will not reduce this risk.
• NEVERattempt to connect 2 chargers together.
 • Thechargerisdesignedtooperateon
standard230Vhouseholdelectricalpower.
Do not attempt to use it on any other
voltage. This does not apply to the vehicular
charger.
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Chargers
The DCB107 charger accepts 10.8 V, 14.4V and
18 V Li-Ion (DCB121, DCB123, DCB140, DCB141,
DCB142, DCB180, DCB181, DCB182, DCB183,
and DCB185) battery packs.
This charger requires no adjustment and is designed
to be as easy as possible to operate.
Charging Procedure (fig. 2)
1. Plug the charger into an appropriate 220-240V
outlet before inserting the battery pack.
2. Insert the battery pack (g) into the charger,
making sure the pack is fully seated in the
charger. The red (charging) light will blink
continuously indicating that the charging
process has started.
3. The completion of charge will be indicated by
the red light remaining ON continuously. The
pack is fully charged and may be used at this
time or left in the charger.
NOTE: To ensure maximum performance and life of
Li-Ion batteries, charge the battery pack fully before
first use.
Charging Process
Refer to the table below for the state of charge of
the battery pack.
State of charge–DCB107
charging –– –– –– –– ––
fully charged ––––––––––––––––––––
hot/cold pack delay –– –– –– –––––––
HOT/COLD PACK DELAY (DCB107)
The DCB107 charger has a hot/cold delay feature.
When the charger detects a battery that is hot, it
automatically delays charging until the battery has
cooled.
When the charger detects a battery that is cold, it
automatically delays charging until the battery has
warmed.
The red light will continue to blink, but a yellow
indicator light will be illuminated during this
operation. Once the battery has cooled, the yellow
light will turn off and the charger will resume the
charging procedure.
XR Li-Ion tools are designed with an Electronic
Protection System that will protect the battery
against overloading, overheating or deep discharge.
The tool will automatically turn off if the Electronic
Protection System engages. If this occurs, place the
Li-Ion battery on the charger until it is fully charged.
Important Safety Instructions for All
Battery Packs
When ordering replacement battery packs, be sure
to include the catalog number and voltage.
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
the charging procedures outlined.
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 • Donotchargeorusethebatterypack
in explosive atmospheres, such as in the
presence of flammable liquids, gases or
dust. Inserting or removing the battery pack
from the charger may ignite the dust or fumes.
• Never force the battery pack into 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.