Hitachi C 18DBL Handling Instructions Manual page 8

CHARGING
Before using the power tool, charge the battery as follows.
1. Connect the charger's power cord to a receptacle.
When the power cord is connected, the charger's
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. 11.
Pilot lamp
Table 1
Before
charging
While
charging
Charging
Pilot lamp
complete
(red)
Overheat
standby
Charging
impossible
(2) Regarding the temperatures of the rechargeable
battery
The temperatures for rechargeable batteries are as
shown in Table 2, and batteries that have become
hot should be cooled for a while before being
recharged.
Table 2 Recharging ranges of batteries
Rechargeable batteries
BSL1820, BSL1830, BSL1840,
BSL1850
7
Battery
Charger
Fig. 11
Indications of the pilot lamp
Lights for 0.5 seconds. Does not light for 0.5
seconds. (off for 0.5 seconds)
Blinks
Lights continuously
Lights
Lights for 0.5 seconds. Does not light for 0.5
Blinks
seconds. (off for 0.5 seconds)
Lights for 1 second. Does not light for 0.5
seconds. (off for 0.5 seconds)
Blinks
Lights for 0.1 seconds. Does not light for 0.1
seconds. (off for 0.1 seconds)
Flickers
Temperatures at
which the battery
can be recharged
0°C – 40°C
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)
(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.
(3) Regarding recharging time
Depending on the combination of the charger and
batteries, the charging time will become as shown
in Table 3.
Table 3 Charging time (At 20°C)
Charger
Battery
BSL1820
BSL1830
BSL1840
BSL1850
Battery overheated.
Unable to charge.
(Charging will commence
when battery cools)
Malfunction in the
battery or the charger
UC18YFSL
Approx. 30 min.
Approx. 45 min.
Approx. 60 min.
Approx. 75 min.