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Before
charging
While
charging
Charging
complete
Pilot lamp
(red)
Overheat
standby
Charging
impossible
○ Regarding the temperature of the rechargeable
battery.
The temperatures for rechargeable batteries are as
shown in the table below, and batteries that have
become hot should be cooled for a while before being
recharged.
Rechargeable
batteries
BCL1015S
○ Regarding recharging time
Table 4 shows the recharging time required according
to the type of battery.
Table 4 Recharging time (approx. min.) at 20°C
Charger
Battery
BCL1015S
NOTE
The recharging time may vary according to the
ambient temperature and the power supply voltage.
4. Disconnect battery charger from the receptacle.
CAUTION
Do not pull the plug out of the receptacle by
pulling on the cord.
Make sure to grasp the plug when removing from
receptacle to avoid damaging cord.
5. Remove the battery from the battery charger.
Supporting the battery charger with hand, pull out the
battery from the battery charger.
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 seconds. (off for 0.5 seconds)
Blinks
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
Table 3
Temperatures at which the
battery can be recharged
32°F — 122°F (0°C — 50°C)
UC10SL2
Approx. 25 min.
Table 2
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.
○ 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.
○ 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
● 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.
Symbol mark
Battery overheated.
Unable to charge.
(Charging will
commence when
battery cools)
Malfunction in
the battery or the
charger
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