Operation Manual

78 - English English - 79
27
BATTERY PACK AND CHARGING PROCEDURE
Reading the charging status
Battery
charger lamp
Battery capacity indicator
lamps
Current
status
Details
On
Lit power lamps indicate the
amount of charging
completed. A flashing power
lamp indicates current
progress.
Charging
During charging, the battery
capacity indicator lamps light
up one by one.
(Example: Battery is
approximately 50–75 %
charged.)
Off
Charging
completed
When charging is complete,
the charging lamp on the
battery charger and the battery
capacity indicator lamp on the
battery pack go off.
Off
Four lamps flash
simultaneously.
Battery is in
standby mode.
* The battery
internal
temperature
is too high
or too low.
Charging will automatically
restart when a temperature is
reached that allows charging.
(See “Appropriate charging
environments”.)
When possible, always
perform charging at the
optimal temperature of 15–25
°C.
Battery is in
fault mode.
There is a fault in the charging
system. See
“TROUBLESHOOTING.”
28
BATTERY PACK AND CHARGING PROCEDURE
Charging time guidelines
Although charging time varies depending on residual bat-
tery capacity and external temperature, if the battery has
been exhausted, it generally takes approximately 3.5
hours until one battery capacity indicator lamp flashes.
If the battery pack enters standby mode while charging,
charging time will increase by an equal amount.
* If charging after a long period of disuse, the charging
time will be lengthened depending on the battery status.
However, note that if the battery capacity indicator lamps
do not flash in fault pattern (See “Reading the charging
status”), there is no malfunction.
Charging time*
(Not including standby time)
Charging
start
Charging
standby
Charging
finish
TIP
For example, even if normal charging is started, if the battery temperature or the surrounding tem-
perature is too high or too low, the charging may be extended or charging may be stopped without
the battery being charged sufficiently in order to protect the battery.