Canon EOS 1D Mark II N Instruction Manual page 24

Recharging the Battery
Lamp Indications
CHARGE lamp
REFRESH lamp Discharging
Charge and Discharge Indications
<CHARGE> lamp does not light
If the battery temperature is not within 0°C / 32°F to 40°C / 104°F when
you connect it, charging is disabled for safety reasons. Battery charging
will be possible after the battery temperature returns to normal.
<CHARGE> lamp and <REFRESH> lamp both blink during charging
An abnormally-high battery temperature was detected so the charging
was terminated. Consult your dealer or nearest Canon Service Center.
<REFRESH> lamp does not light
If the battery cannot be discharged even if it has some charge left, there
might be a problem with the battery. Consult your dealer or your nearest
Canon Service Center.
24
Slow
Blinking
Lights
(every other
second)
Waiting to be
Charging
charged
Waiting to be
discharged
Fast
Blinking
(twice per
second)
Fully Battery not
charged connected
Fully
–
discharged
Off