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Figure
5: Inserting Battery Pack
Figure
6: Inserting the Battery Pack into the Charger
Battery Charging
1. If charger is supplied with a separate charger cord,
plug cord into charger.
2. Plug the other end of charger into the AC power source.
3. Insert battery pack in charger. Press lightly on battery
pack until it stops. The charger is equipped with a 4-LED
fuel gauge that indicates 25%, 50%, 75% and 100%
state of charge. When the battery makes contact, all 4
green LEDs on the fuel gauge of the charger will flash
twice and then the charger will step through the 4 LEDs
and stop at the one flashing green LED that signifies the
battery state of charge and that the battery is charging.
ZCTPP761ACE Rev. A
4. Certain built-in safety protections may lock the charger
off. If no charger light illuminates, remove the battery
and unplug the charger for 10 minutes. Plug the charger
back in and insert a known good battery. If no light
comes on the charger is faulty and must be replaced.
5. The charger will not charge if the battery pack is too hot
or too cold. The charger will show a flashing yellow LED
and wait until the battery temperature is between 32°F
(0°C) and 113°F (45°C) to begin fast charging.
6. Standard fast charging time is 30 minutes. Charger may
take longer than 30 minutes. The charge cycle may be
longer if the battery has been left in a low state of charge
for an extended period of time. When the charge is
complete, all 4 green LED's stay illuminated.
7. A flashing red LED indicates the battery is faulty and the
charger will not charge. Remove the battery from the
charger and replace the battery.
Battery Pack -
CTB8172BK
Battery Pack Protection
To maximize performance and battery life, the Lithium-
Ion battery is protected by safety circuits in the tool and
the charger. They monitor battery voltage, discharge/
charge amperage and temperature. See overloading
section of this manual for more information.
Cold Weather Operation
The Lithium-Ion battery can be used in temperatures
down to -4°F(-20°C). When the battery pack is very cold,
run the tool at no load to warm the battery and then use
the tool normally.
Hot Weather Operation
If the Lithium-Ion battery temperature reaches 158°F
(70° C), the protection circuit will turn off the battery and
the 2 white LED's on the tool will flash. Once the battery
has cooled down, the tool will resume normal operation.
Storage
Do not expose your battery pack to water or rain; this
could damage the battery pack.
Fully charge the battery before placing it in storage. For
optimum life, store the all Lithium-Ion batteries at room
temperature away from moisture. Permanent capacity
loss can result if batteries are stored for a long period at
high temperature.
11
(06/17)
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