Yongnuo YN560 - Charging Indicator

Meaning of [Charging indicator]
Status of [Charging
Indicator]
Meaning Operation
The red light is lit The flash light is fully charged,
and can be used.
Normal
The green light is lit The flash light has not been
fully charged.
I
f the green light is lit for a
long time, replace the
batteries.
The red and green
lights blink alternately
The flash light is locked to
prevent overheating due to
frequent flashing.
Wait for about 3 minutes
to cool the flash light.