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9
TO CHARGE THE BATTERY PACK
NOTICE: This lithium-ion battery pack is
shipped partially charged. Before using it the
rst time, fully charge the battery pack.
A fully discharged 5.0Ah battery pack will
charge in about 1 hour with SKILSAW charger
SPTH14 in a surrounding temperature
between 41°F (5°C) and 104°F (40°C).
a. Always charge the battery pack with the
correct charger.
b. Connect the charger to a power supply.
c. Attach the battery pack to the charger
by aligning the raised ribs of the battery
pack with the slot in the charger. Slide the
battery pack onto the charger (Fig. 3).
d. When the charger indicates that the
battery pack is fully charged, remove it
from the charger.
Please refer to the charger manual for detailed
charging operation instructions.
NOTICE: If the battery pack cannot accept
a charge, the contacts of the charger or
battery pack may be contaminated. Clean
the contacts of the charger or battery pack
(e.g., by inserting and removing the battery
several times or scrubbing with a cotton swab
and alcohol), or replace the battery pack, as
required.
Fig. 3
LOW CAPACITY WARNING
The four LED indicators indicators will ash
red for 5 seconds when the battery charge is
at or below 10%. Unlike other types of battery
packs, lithium-ion battery packs deliver fade-
free power for their entire run time. The tool
will not experience a slow, gradual loss of
power as it is used. The power delivered to
the tool will drop quickly when the battery
pack is at the end of its run time and needs to
be charged. It is not necessary to completely
discharge the battery pack before recharging.
Remove the battery pack from the tool and
recharge it when it is convenient or when it is
not in use.
OVER-TEMPERATURE WARNING
The battery circuitry also protects the battery
pack from over heating. To protect the battery
pack from damage and prolong its life, the
battery pack circuitry will send a warning
signal to the tool if the temperature becomes
too high during use. All power indicators will
stay RED to warn of the over-temperature
condition. This may happen in extremely high
torque, binding, and stalling situations. The
battery and tool will resume normal operation
when they return to 32°F (0°C) - 122°F (50°C).
NOTICE: A signicantly reduced run time
after fully charging the battery pack indicates
that the batteries are near the end of their
usable life and must be replaced.
COLD WEATHER OPERATION
When the battery pack is very cold, the
performance may be weakened. Put the
battery pack on a tool and use the tool in a
light application for a while to "warm up" the
battery pack or place the battery pack under
room temperature for conditioning. The
battery pack will operate normally.
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