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NOTE
*1 If the red lamp continues to blink even after the
charger has been attached, check to confirm that the
battery has been fully inserted.
*2 Battery overheated. Unable to charge.
Although charging will start once the battery has
cooled down even when left in situ, the best practice
is to remove the battery and allow it to cool down in a
shaded, well-ventilated location before charging.
*3 Malfunction in the battery or the charger
–
Fully insert the battery.
–
Check to confirm that no foreign matter is stuck
to the battery mount or terminals. If there are no
foreign objects, it is probable that the battery or
charger is malfunctioning. Take it to your
authorized Service Center.
○ If the pilot lamp does not blink in red even though the
charger cord is connected to the power, it indicates
that the protection circuit of the charger may be
activated.
Remove the cord or plug from the power and then
connect it again after 5 minutes or so. If this does not
cause the pilot lamp to blink in red, please take the
charger to the metabo HPT Authorized Service
Center.
○ When the battery charger has been continuosly 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.
(2) Regarding the temperature of the rechargeable
battery.
Rechargeable
Temperatures at which the battery
batteries
BSL1820M
(3) Regarding recharging time (At 68°F (20°C))
Table 4: Charging time
Battery
BSL1820M
NOTE
○ The recharging time may vary according to the
ambient temperature.
○ If charging takes a long time
14
Table 3
can be recharged
32°F–122°F
(0°C–50°C)
Charger: UC18YKSL
Approx. 60 min
–
Charging will take longer at extremely low
ambient temperatures. Charge the battery in a
warm location (such as indoors).
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.
NOTE
Be sure to pull out the battery from the battery 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 first 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.
BEFORE OPERATION
Read section titled "SAFETY" (pages 2–9).
Make sure of the followings before operation.
PREPARING THE BATTERY
Read section titled "SAFETY, IMPORTANT SAFETY
INSTRUCTIONS FOR BATTERY CHARGER" (page 6).
You must charge the battery before use. The charging
method of battery is shown in pages 13–14.
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