11
Table 1
Indications of the pilot lamp
Pilot lamp
(red)
Before
charging
Blinks
Lights for 0.5 seconds. Does not light for
0.5 seconds. (o
ff
for 0.5 seconds)
While charging Lights
Lights continuously
Charging
complete
Blinks
Lights for 0.5 seconds. Does not light for
0.5 seconds. (o
ff
for 0.5 seconds)
Charging
impossible
Flickers
Lights for 0.1 seconds. Does not light for
0.1 seconds. (o
ff
for 0.1 seconds)
Malfunction in the battery or
the charger
Overheat
standby
Blinks
Lights for 1 second. Does not light for
0.5 seconds. (o
ff
for 0.5 seconds)
Battery overheated. Unable
to charge. (Charging will
commence when battery cools)
●
Regarding the temperatures and charging time of the battery.
The temperatures and charging time will become as shown in
Table 2.
Table 2
Charger
UC18YFSL
Battery
Type of battery
Li-ion
Temperatures at which the
battery can be recharged
0°C–50°C
Charging voltage
V
14.4
18
Charging time,
approx. (At 20°C)
BSL14xx series
BSL18xx series
Multi volt
series
(4 cells)
(8 cells)
(5 cells)
(10 cells)
(10 cells)
min
BSL1415S : 20
BSL1415 : 22
BSL1415X : 22
BSL1420 : 30
BSL1425 : 35
BSL1430C : 45
BSL1430 : 45
BSL1440 : 60
BSL1450 : 75
BSL1460 : 90
BSL1815S : 20
BSL1815 : 22
BSL1815X : 22
BSL1820 : 30
BSL1825 : 35
BSL1830C : 45
BSL1850C : 75
BSL1830 : 45
BSL1840 : 60
BSL1850 : 75
BSL1860 : 90
BSL36A18 : 75
BSL36B18 : 120
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.
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.
Regarding electric discharge in case of new batteries,
etc.
As the internal chemical substance of new batteries and
batteries that have not been used for an extended period
is not activated, the electric discharge might be low when
using them the
fi
rst and second time. This is a temporary
phenomenon, and normal time required for recharging
will be restored by recharging the batteries 2–3 times.
How to make the batteries perform longer.
(1) Recharge the batteries before they become completely
exhausted.
When you feel that the power of the tool becomes
weaker, stop using the tool and recharge its battery. If
you continue to use the tool and exhaust the electric
current, the battery may be damaged and its life will
become shorter.
(2) Avoid recharging at high temperatures.
A rechargeable battery will be hot immediately after
use. If such a battery is recharged immediately after
use, its internal chemical substance will deteriorate, and
the battery life will be shortened. Leave the battery and
recharge it after it has cooled for a while.
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 up green or lights
for 1 second, does not light for 0.5 seconds (o
ff
for
0.5 seconds). In such a case,
fi
rst let the battery cool,
then start charging.
00Book̲GP18DA̲UK.indb 11
00Book̲GP18DA̲UK.indb 11
2021/03/04 15:38:11
2021/03/04 15:38:11
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