I bought a Quantum Battery Pack for my SB-800 for weddings, but a friend told me that it will heat up the flash. Is this true? Suggestions for an alternative power supply are welcome. BTW, I just received the Quantum battery pack from B&H and base on your suggestions I'll deside to return it or not. Thank you, Don
Which Quantum power pack did you purchase? I use the Turbo 2X2 battery and it works fine. Since it is a high energy power pack, I make sure I allow the SD-800 to cool for a few seconds between full power flashes.
I only use my Quantum batteries to provide all day flash without changing/charging batteries. In my instance, I take two photos every 15 minutes. Other than that I use them on my TD5-R and Trio flashes for better light patterns(parabolic), higher guide numbers, and machine gun firing.
If you're a wedding photographer and shoot 700 plus photos in short order, it might burn your flash up. Then you need a second flash and swap them out when they get hot, but it is a risk with quantum batteries, if you let a speedlight get super hot.
There is a Nikon external pack, I think it's the SD-8, for the SB-800. I have the SB-9 for my SB-900 and it works great.
Scott Chapin Powder Springs, GA, USA Nikonians Team Member
>I bought a Quantum Battery Pack for my SB-800 for weddings, >but a friend told me that it will heat up the flash. Is this >true? Suggestions for an alternative power supply are welcome. > >BTW, I just received the Quantum battery pack from B&H and >base on your suggestions I'll deside to return it or not. >Thank you, >Don
I used a Quantum Turbo Pack on one of my SB-800's for a wedding, and it worked great until it got so hot it melted. Lightining fast recycling!
I decided not to use it for any more weddings, and now I just use my SB-800's with the fifth battery option, and they recycle fast enough for me. They get really hot, but they won't melt when using the 5th battery option no matter how fast you shoot (at least they haven't melted yet for me).
Sun 08-Nov-09 08:45 PM | edited Sun 08-Nov-09 08:55 PM by dondiego
Hi and thank you for replying. I got the Quantum 1+ 6V. The instructions suggest that it be turned off every tiime after flashing and i feel that will be a pain in the neck to be turning on and off not to mention risking to burn the SB-800 so I think that base on what you guys are saying I better return this and get rechargable AA batteries.
Scott, the sd-800 how many and what type of batteries it use? Don
The sources for heat in the Nikon Speedlights are the flash tube, the batteries and the resistance in the electronics circuitry. The buildup come from the Speedlight body not able to dissipate the heat from the sources fast enough. The flash tube generates heat as a result of the drop in the energy levels of the excited flash tube gas and the released energy not going out in light is released as heat. The batteries generate heat by converting the stored electrical potential to electric current. And the electric circuitry is from the resistance of of the electric conductors and circuits.
Removing the batteries from the Speedlight, or the batteries for charging the HV capacitors, reduces the amount of heat produced for each flash, but does not remove all of it. So there will always be a buildup of heat within the unit.
So use of the battery pack will allow you to shoot more images and faster, but it will not stop the heat buildup.
In the end, it is still up to you to take care with your equipment.
The SB-900 has added a thermal shut down circuit or warning.
The Quantum Battery QB1+ does not have high voltage capability and should be ok to use with your SB-800. The MKZ-3 cable is basicly a dummy battery which will actually remove the heat that would have been generated by the batteries inside the speedlight reducing the thermal load. I have used a Quantum Turbo 2 x 2 with my SB-800's however when one unit started getting hot I would switch to another unit and allow the first time to cool down. The Quantum Turbo Batteries are more likely to burn up a speedlight because they have a high voltage circuit that provides power directly to the flash capacitor providing very fast recycling times. Much faster than the speedlight can sustain without burning itself up. The 6 volt QB1+ should be a less risky choice.
I have been lucky with my SB-800's though very careful as well. Like Scott, I use Quantum Q-Flash T5d-R's and Trio with the Turbo 2 x 2 batteries when I have to shoot fast and hard.