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than 5° C (41° F) but less than 40° C (104° F). To reduce
the risk of serious personal injury, do not store outside
or in vehicles. Charging time will be increased if not
charged within this range.
1. If the power cord is not plugged in to the charger, plug it in
to the charger (Figure 22), then plug the power cord into
a power socket.
2. Turn the battery upside down and line up the battery terminal
with the slot in the charger (Figure 22 and Figure 23).
1. Insert battery here
2. LED indicators
1. LED indicators (level of
charge)
2. Release button
3. Slide the battery into the charger until it clicks into place.
4. To remove the battery, pull up on the release button and
slide the battery backwards out of the charger.
Figure 22
3. Charge/storage mode
switch
4. Power cord plug-in
location
Figure 23
3. Battery terminal
4. Test button
5. Refer to Figure 24 to interpret the LED indicators on the
battery charger.
1. Red light on; green
light flashing—battery is
charging.
2. Red light on; green
light on—battery is fully
charged.
3. Red light flashing; green
light off—abnormal battery
temperature (greater than
40 C (104 F) or less than 5
C (41 F).
4. Charge/storage mode
switch
Important: If the charger indicates an abnormal battery
temperature, allow the battery to cool or warm up as
needed before inserting the battery into the charger.
Storing a lithium-ion battery at 40% of its capacity maximizes
battery life.
Use storage mode (Figure 24) when the battery will not be used
for 1 month or longer.
1. Insert the battery into the charger.
2. Turn storage mode on.
3. The battery will charge or discharge as necessary to
approximately 40% charge.
4. When the battery is ready for storage (Figure 24, item 6.),
remove the battery from the charger.
12
Figure 24
5. Red light off; green
light flashing—battery is
preparing for storage.
6. Red light off; green light
on—battery is prepared
for storage.
7. Red light on; green light
off—no battery inserted.
8. Red light flashing; green
light flashing—battery is
defective.
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