Canon EOS-1D Mark II Digial Instruction Manual page 19

3
Recharge the battery.
When you connect the battery, the
s
recharging will start automatically and
the <CHARGE> lamp will light.
When the battery is fully recharged,
s
the lamp will blink quickly (twice per
sec.).
It takes about 120 minutes to fully
s
recharge a completely exhausted
battery.
¡After recharging the battery,
disconnect it and unplug the power
cord from the power outlet.
19