2-7
Charging
ELEC
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Display on battery capacity indicator lamps
while charging
Some phenomena such as the following may
occur while charging the battery pack, depend-
ing on the battery pack’s state; however, these
are not malfunctions.
1. Charging on stand-by
Display on the battery capacity indicator
lamps on the battery pack: [All four lamps
flashing slowly at the same time].
When the battery pack’s internal tempera-
ture goes out of operating range, the battery
pack changes to the “Charging on stand-by”
state automatically.
TIP
• Once the temperature inside the battery
pack becomes suitable for charging, the
charging starts automatically.
(In such case, the charging time becomes
longer by the time during which all four bat-
tery capacity indicator lamps on the battery
pack were flashing simultaneously.)
As much as possible, charge at an optimal
room temperature, approximately 15 to 25°C.
• Even if you start charging properly, if the
battery pack exceeds the specified temper-
ature range while charging, the charging
process is aborted to protect the battery
pack. This may result in insufficient charg ing.
In such case, when checking the resid ual
battery capacity, not all of the four battery
capacity indicator lamps on the bat tery pack
may not turn on. Cool down the battery pack
for a while, and charge again, preferably in a
cool place.
• Even if the room temperature is within the 0
to 45°C range, if attempting to charge the
battery pack immediately after driving, or if
the battery pack had been left in the sun
during summer, the battery pack’s internal
temperature may be outside the allowable
temperature range for charging. If the room
temperature is 30°C, it may take approxi-
mately 4 hours until the battery pack’s inter-
nal temperature is within the allowable tem-
perature range for charging.
2. During pre-charging
Display on the battery capacity indicator
lamps on the battery pack: [Battery capacity
indicator lamps [1] flash rapidly].
3
2
1
4
Slow flashing
3
2
1
4
Off
Fast flashing