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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 23 Feb 2012 (Thursday) 12:58
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Quantum 1 - battery LEDs question

 
joeblack2022
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Feb 23, 2012 12:58 |  #1

I just re-celled an original Quantum 1 battery myself and it seems to work, hooked it up to a Vivitar 285HV and it fires.

However, none of the green battery LEDs (1/3, 2/3, 1) ever lit up. According to the manual, they are supposed to light up to show you current battery status after you fire the flash.

Is this just a case of the cells needing to be fully charged or is something wrong with the pack? The pack is currently charging and the voltage was sitting around 6.2V before I hooked it up.


Joel

  
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Feb 23, 2012 15:44 |  #2

The pack's circuit board for monitoring the battery status just might well be fried. The lights are supposed to light up even before you fire the flash.


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joeblack2022
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Feb 24, 2012 09:33 |  #3

That's what I'm suspecting... does the circuit board do anything other than monitor voltage? I would think for the price there would be intelligent charging but the manual doesn't seem to indicate that.

In any case, it still seems usable, though it will be annoying to have to check charge with a voltmeter instead of looking at LEDs.


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CanonCameraFan
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Feb 26, 2012 13:21 |  #4

Open it up and simply check all the Solder Joints. It may have a cold joint that just needs touched up. Did it work before, or is this an old unit you just got? They should always indicate charge level, as long as it is switched on.

I recently re-celled both of my units after they had been in storage for 10 years. I got the OEM brand USA Made for about $24 each pack. $50 gave me $500 worth of equipment!


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joeblack2022
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Feb 27, 2012 11:46 |  #5

CanonCameraFan wrote in post #13970142 (external link)
Open it up and simply check all the Solder Joints. It may have a cold joint that just needs touched up. Did it work before, or is this an old unit you just got? They should always indicate charge level, as long as it is switched on.

I recently re-celled both of my units after they had been in storage for 10 years. I got the OEM brand USA Made for about $24 each pack. $50 gave me $500 worth of equipment!

It's an old unit, I bought the cells individually at about $11 a piece. I saw a replacement pack on eBay for about $20 but shipping was the same cost! :(

I will open it up and have a look see when I get a moment.


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joeblack2022
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Feb 29, 2012 09:05 |  #6

Had a look inside and didn't see anything suspect, it's probably fried... oh well!


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Quantum 1 - battery LEDs question
FORUMS General Gear Talk Flash and Studio Lighting 
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