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Reference information
6 Notes on batteries
Usable batteries
Use CR123A (3V) lithium batteries.
• Do not use any other type of batteries.
• Non-rechargeable. Never attempt to recharge these batteries in a battery charger.
Otherwise, they may explode.
• Depending on battery specifications, when these batteries become hot, the safety circuits
are activated, cutting off power. This often occurs when the flash unit is operated in the
repeating flash mode. Battery power will recover when the temperature returns to normal.
Notes on handling batteries
• When installing the battery, turn off the power of the Speedlight and never reverse the
polarity of the batteries.
• If the battery terminals become soiled, remove dirt and smudges before use, as these
may cause damage.
• If exhausted batteries are used at low temperatures, the Commander or Speedlight units
may not work properly.
• When taking photographs in low temperatures, use fresh batteries, and keep a set of
spares in a warm place (e.g. a coat pocket).
• Battery power tends to weaken as the temperature drops. At low temperatures, flash
capacity decreases and recycling takes longer. Battery power will recover if they are not
used and allowed to return to normal temperature.
• Do not throw used batteries into a fire. Do not short circuit, disassemble, heat or recharge
a battery.
Replacing the battery
The low battery-power indicator blinks when the
Commander SU-800’s ready-light does not come on
within approx. 30 seconds of the power being turned
on or after the flash has fired.
• Replace the battery.
When the SB-R200’s battery power is weak, the green
ready-light blinks after the power has been turned on
or after the flash has fired.
• Replace the battery.
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