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Re: why is my sb-800 melting my batteries?
Thre is a non-repairable short in the capacitor charge circuit that puts a big amp load on the batteries.
May be repaired by Nikon service... but the electronics contain high voltage. Do not attempt to repair yourself and I wouldn't trust it even if Nikon repairs it. Why risk burning your camera and equipment!?!
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v Notes on continuous fl ash photography • To prevent the SB-700 from overheating, allow it to cool down for at least 10 minutes after 15 times of continuous firing. • When continuous flash firing is repeated in quick succession, the internal safety function adjusts the recycling time by up to 15 seconds. If flash firing continues, the thermal cut-out indicator appears on the LCD and all operations are suspended. (0E-31) Allow it to cool down for several minutes to disable this function. • The conditions under which the internal safety function is activated differ depending on the temperature and the SB-700 flash output level. Operation B B-8 Slide the battery chamber cover open while pressing the battery chamber cover lock release. Insert the batteries following the [+] and [-] marks. Close the battery chamber cover. STEP 1 Inserting the batteries Operation B B-9 1.5 V alkaline AA battery 1.5 V lithium AA battery Rechargeable 1.2 V NiMH AA battery Suitable batteries When replacing batteries, use four fresh AA-type batteries of the same brand from any of the following types: • For minimum recycling time and number of flashes for each battery type, refer to "Specifications." (0H-27) • Alkaline battery performance may vary greatly depending on the manufacturer. • 1.5 V carbon-zinc AA batteries are not recommended. v Additional precautions regarding batteries • Read and follow battery warnings and cautions (0A-19 - A-22). • Be sure to read and follow the warnings for the battery on the section, "Notes on Batteries" (0H-9), before using the battery. • The recycling time can be longer when lithium AA batteries are used because they incorporate a function that suppresses the output current when heat is generated in the batteries.
Corrosion is sometimes a fix us users can do. Other times it must go in for repair. What happens is the corrosion may leak past the point we can see in to the internals of the housing eating out wiring.
Nikon digital 1-800-645-6689
I had the same problem with flashing red lights. Both sides on a four battery charger. I swapped the batteries to another charger and the batteries were fine. They charged normally. I put some different batteries in the charger and the same flashing light situation. Those batteries also charged normally in a different charger. I looked closely at the back of the charger and, low and behold, "made in China". Why does that not surprise me. The bottom line, it may not be a battery issue.
1) i-TTL: TTL flash control by 1,005-pixel RGB sensor, built-in flash, SB-800, SB-600, SB-400: i-TTL balanced fill-flash and standard i-TTL flash 2) AA (Auto Aperture-type) flash: Available with SB-800 used with CPU lens 3) Non-TTL Auto: Available with Speedlights such as SB-800, 28, 27, and 22S 4) Range-priority manual flash; available with SB-800
IN THE INSTRUCTION MANUAL USING THE FLASH IN SHOOTING FAST CAUSES IT TO HEAT UP .
TRY USING THE FLASH IN MANUAL AND CUT THE RATIO POWER AND USE AS A FILL AND NOT A MAIN .
YOU COULD ALSO USE TWO NIKON SB800 FLASHES IN ITTL AND WITH TWO THE FLASH IS USING HAVE THE OUTPUT AND RECYCLE TIME IS INCREASED .
DAVE BLACK A WELL KNOWN PHOTOGRAPHER DOES THIS IN HIS SHOOTING .