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⅜ Regarding recharging time
Table 4 shows the recharging time required according to the type of battery.
NOTE: The recharing 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.
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
⅜ 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.
⅜ 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.
Battery type Ni-MH BATTERY Ni-Cd BATTERY
Battery capacity 3.0Ah 2.0Ah 1.2Ah
9.6V EB9B 12 min. EB9S 9 min.
12V
EB12B
EB1220BL
12 min. EB12S 9 min.
14.4V EB14B 14 min.
EB1830H
EB18B
18V
EB1830HL
27 min. EB1820 14 min.
EB1820L
Table 4 Recharging time (approx. min.) at 20°C
Battery
voltage