Caution
When you disconnect the charger from the outlet, do not touch the charger plug for
about 10 seconds.
When the remaining battery level is 90% or more, charging will not be performed.
Note
Battery storage
Store in a cool, dry and well-ventilated place.
Even when the battery is removed from the Speedlite, a very small amount of
current may flow inside the battery. This results in over-discharging when the
battery is left in this state for a long time, so you may not be able to use the battery
even if you charge it.
When storing the battery for a long time, charge it about once a year to about 50%
before storing it.
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