English
CHARGING
Before using the power tool, charge the battery as follows.
1. Connect the charger's power cord to the receptacle.
When connecting the plug of the charger to a receptacle,
the pilot lamp will blink in red (At 1- second intervals).
CAUTION
Do not use the electrical cord if damaged. Have it
repaired immediately.
2. Insert the battery into the charger.
Firmly insert the battery into the charger as shown in
Fig. 3.
Before
charging
While charging
Charging
Pilot lamp
complete
(red)
Overheat
standby
Charging
impossible
● Regarding the temperatures and charging time of the battery.
The temperatures and charging time will become as shown in Table 2
Battery
Charging voltage
Weight
Temperatures at which the battery can be recharged
Charging time for battery capacity, approx. (At 20°C)
1.3 Ah
1.5 Ah
2.0 Ah
2.5 Ah
3.0 Ah
4.0 Ah
5.0 Ah
Number of battery cells
NOTE
The recharging time may vary according to the ambient
temperature and power source voltage.
CAUTION
When the battery charger has been continuously used,
the battery charger will be heated, thus constituting
the cause of the failures. Once the charging has been
completed, give 15 minutes rest until the next charging.
4. Disconnect the charger's power cord from the
receptacle.
Table 1
Indications of the pilot lamp
Lights for 0.5 seconds. Does not light for
Blinks
0.5 seconds. (off for 0.5 seconds)
Lights continuously
Lights
Lights for 0.5 seconds. Does not light for
Blinks
0.5 seconds. (off for 0.5 seconds)
Lights for 1 second. Does not light for
Blinks
0.5 seconds. (off for 0.5 seconds)
Lights for 0.1 seconds. Does not light for
Flickers
0.1 seconds. (off for 0.1 seconds)
Table 2
Charger
V
kg
min.
min.
min.
min.
min.
min.
min.
3. Charging
When inserting a battery in the charger, charging will
commence and the pilot lamp will light continuously in
red.
When the battery becomes fully recharged, the pilot lamp
will blink in red. (At 1-second intervals) (See Table 1)
● Pilot lamp indication
The indications of the pilot lamp will be as shown in
Table 1, according to the condition of the charger or the
rechargeable battery.
UC18YFSL
14.4 V – 18 V
0°C – 50°C
5. Hold the charger fi rmly and pull out the battery.
NOTE
Be sure to pull out the battery from the charger after use,
and then keep it.
CAUTION
○ If the battery is charged while it is heated because it has
been left for a long time in a location subject to direct
sunlight or because the battery has just been used, the
pilot lamp of the charger lights for 1 second, does not
light for 0.5 seconds (off for 0.5 seconds). In such a case,
fi rst let the battery cool, then start charging.
6
Battery overheated. Unable
to charge. (Charging will
commence when battery cools)
Malfunction in the battery or
the charger
0.5
20
22
30
35
45
60
75
4 – 10