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11-25-2016, 08:36 PM   #1
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Omega Flash Gun battery?

I've got an old Omega Flash gun I purchased off of eBay and need a battery for it. Does anyone know what type of battery these old flash units take? It has two terminals one at the bottom and the other at the top. AN AA battery fits but its not enough power to make the flash bulb fire.

11-25-2016, 10:17 PM   #2
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What flash bulb does it use?
11-25-2016, 10:34 PM   #3
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Could be that the bulb is shot? Your only other option so far as i know for that would be a 14500 battery like this: https://www.amazon.com/UltraFire-2400mAh-Protected-Battery-Charger/dp/B008HUEAXI

Those look like AAs but they're high voltage -- 3.7 volts vs 1.2-1.5 for a typical AA -- they're mostly used for super bright flashlights like https://www.amazon.com/gp/product/B00G0JT10K, and those are pretty new -- I'm assuming the omega one is film-era, and I think these batteries have only been around for 10-15 years, if that.
11-26-2016, 12:50 AM   #4
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The Nikon BC-7 flash used a "laminated" Eveready 504 15 volt battery. My recollection is that looks like a cylinder at a distance but up close you can tell that the ends are square. Page 6 of the BC-7 manual shows a cylindrical capacitor that is being touched and a space for the 15 volt battery. A 15 volt replacement battery is available on Amazon but I am not sure where to find a capacitor. The battery and the capacitor fit side by side in the back of the flash unit. I have seen other flashes with the same configuration.

11-26-2016, 01:08 AM   #5
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It's not one of the old Omega folding "fan" flash guns that used a single-use flash bulb is it?

Images from a Google search.

Like this:



11-26-2016, 06:53 AM   #6
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QuoteOriginally posted by p38arover Quote
It's not one of the old Omega folding "fan" flash guns that used a single-use flash bulb is it?

Images from a Google search.

Like this:


Yep that's it. I guess it needs more than 1.5 volts from an AA battery to fire.
11-26-2016, 07:12 AM   #7
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Some old flashbulb units used batteries that were 15-20v. The bulb type may help you determine this. If you have a spare bulb you might try a 9v directly wired to a bulb to see if that voltage is sufficient. If worse comes to worse you can always add an external battery holder.
11-26-2016, 02:33 PM   #8
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My first flash unit was one like that. I wonder if I still have the instructions. I know I don't have the flash unit.

EDIT: Sorry, I checked but I don't have it.


Last edited by p38arover; 11-26-2016 at 09:24 PM.
11-30-2016, 05:07 PM   #9
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Well, what do you know?! I was sorting through a box of prints to scan and came across the instructions for the flash gun. It was, as I thought, a National PB-3S and it had a 15v battery. An Eveready B154 or National W10.

Battery B154 Power-S Ever Ready Co. GB Ltd.; London, build 1
11-30-2016, 06:47 PM - 1 Like   #10
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QuoteOriginally posted by p38arover Quote
Well, what do you know?! I was sorting through a box of prints to scan and came across the instructions for the flash gun. It was, as I thought, a National PB-3S and it had a 15v battery. An Eveready B154 or National W10.

Battery B154 Power-S Ever Ready Co. GB Ltd.; London, build 1
Well what do you know? You're the first one on this spinning planet of 7 billion people to answer this question

I found the replacement battery. An excel A220 504 A on eBay for 10 bucks. Thanks a bunch!

Leave it to an Aussie to get it right LOL.
11-30-2016, 10:56 PM   #11
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Excellent. I hope it does the job. Can one still buy flash bulbs?
11-30-2016, 11:29 PM   #12
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QuoteOriginally posted by p38arover Quote
Excellent. I hope it does the job. Can one still buy flash bulbs?
Yes, but costs vary depending on the bulb and rarity.
12-01-2016, 05:34 AM - 1 Like   #13
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QuoteOriginally posted by p38arover Quote
Excellent. I hope it does the job. Can one still buy flash bulbs?
I got a whole box of original bulbs for $1.99 on eBay. So yea, they're still out there and cheap.

They were a dozen GE 5B bulbs new still in package.
12-01-2016, 08:33 PM   #14
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QuoteOriginally posted by Driline Quote
I got a whole box of original bulbs for $1.99 on eBay. So yea, they're still out there and cheap.

They were a dozen GE 5B bulbs new still in package.
Don't hate me - but in my other hobby - Rocketry - I have used AG1 bulbs as a means of igniting my ejection charges. Those are rather low voltage and really reliable.
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