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BATTERY PROTECTION).
BATTERY PROTECTION
The battery circuitry protects the battery pack from extreme temperature, over
discharge, and over-charge. To protect the battery from damage and prolong
its life, the battery pack circuitry will turn off the battery pack if it becomes
overloaded or if the temperature becomes too high during use. This may happen
in situations involving extremely high torque, binding, and stalling. This intelligent
system will shut down your battery pack if its operating temperature exceeds
176°F (80°C) and will begin normal operation when it returns to 32°F (0°C) -
122°F (50°C).
The LED worklight light will begin flash slowly if the battery circuitry detects a
momentary overload.
NOTE: The battery can automatically reset. If the LED continues to flash rapidly,
it is indicating that the charge is substantially diminished. Place the battery into
the charger for charging. (See BATTERY CAPACITY INDICATOR, above.)
NOTE: A significantly reduced run time after fully charging the battery pack indi-
cates that the battery is near the end of its usable life and must be replaced.
COLD WEATHER OPERATION
This Lithium-Ion battery pack will provide optimal performance in temperatures
between 32°F (0°C) and 104°F (40°C). When the battery pack is very cold, it may
"pulse" for the first minute of use to warm itself. Put the battery pack on a tool
and use the tool in a light application. After about a minute, the battery pack will
have warmed itself and will operate normally.
WHEN TO CHARGE THE BATTERY PACK
It is not necessary to run down
the battery pack charge before
recharging. The Lithium-Ion
battery can be charged at any
time and will not develop a
"memory" when charged after
only a partial discharge.
Remove the battery pack from
the tool when convenient for
you and your job. "Top off" the
battery pack charge by charging
it for a time before starting a big
job or long period of use.
Fig. 2
Due to Lithium-Ion fade-free
properties, the only time it is necessary to charge the Lithium- Ion battery pack
is when the pack has reached the end of its charge. To signal the end of charge,
power to the tool will drop quickly. Charge the battery pack as needed.
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