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run time and needs to be charged. When the battery pack is completely discharged, the
POWER BAR will begin to display four flashing LED lights. When this happens, remove the
tool from the workpiece and charge the battery pack as needed.
BATTERY PROTECTION
Intuitive circuitry protects the battery pack from extreme temperature, over-discharge, and over-
charge. In order to protect the battery from damage and to prolong its life, this circuitry will turn
the battery pack off if it becomes overloaded or if the temperature becomes too high during use.
This may happen in situations involving extremely high torque, binding, or stalling. This intuitive
circuitry will turn the battery pack off if the operating temperature exceeds 176°F (80 C), and
will resume normal operation when it returns to between 32° and 122° F (between 0° and
50 C).
z The POWER BAR will display four flashing LED lights if the circuitry detects a momentary
overload. Reset the battery pack by pressing the POWER BAR button. Press the POWER
BAR button again in order to display the remaining charge.
COLD WEATHER OPERATION
z This lithium-ion battery pack will provide optimal performance in temperatures between 32°
and 104° F (between 0° and 40° C). When the battery pack is very cold, it may “pulse” for
the first minute of use in order to warm itself up. Place the battery pack on a tool, and use
the tool for a light application. After approximately one minute, the battery pack will have
warmed itself up, and will operate normally.
WHEN TO CHARGE THE BATTERY PACK
The lithium-ion battery pack can be charged at any time, and will not develop a “memory” if it is
charged after only a partial discharge. It is not necessary to completely discharge the battery
pack before recharging. Remove the battery pack from the tool when it is convenient or when it
is not in use.
z Use the POWER BAR to determine when the battery pack needs to be recharged.
z It is recommended that the battery pack be brought up to full charge before starting a big
job or using it for an extended period of time.
z This lithium-ion battery pack delivers fade-free power, and therefore, the only time it is
necessary to charge it is when the battery pack has reached the end of its charge. 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. Charge the battery pack as needed.
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