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RoboRepublic
27-May-2022, 11:15
Hi folks,
Was curious to pick up some 22.5v batteries for a super graphic and am curious if something like this will work:
https://www.ebay.com/itm/224163704520?hash=item343132aec8:g:q80AAOSw86Jaems1

I'm trying not to fry my camera :)

Thanks!

BrianShaw
27-May-2022, 12:54
That, and the other like it, appear to meet the interchangeability spec. There really aren’t sensitive electronics to fry; it’s a rather basic electrical circuit. I’m always more worried about that the capacitor may have gone bad.

Let’s us know how this solution works out for you. I retired my SuperGraphic quite a few years ago when the battery became really difficult to find. I always like shooting with the electronic solenoid release.

j.e.simmons
27-May-2022, 14:30
I guess the only way to know is to buy a couple and see if they will fit inside the camera. I don’t see any problem electrically.

LabRat
27-May-2022, 21:11
A couple of 9V batteries might fit in the battery compartment wired series for 18V, or just for solenoid, the single 9V should power it...

On flashholders, 3 1.5 V cells would power solenoid + power bulb, but higher current/capacity with multi larger batteries... But the 9V might just work OK, but just need to be replaced more often...

Steve K

brucetaylor
27-May-2022, 22:54
Those eBay batteries look like they will work, and only $12 for a pair. Just a few weeks ago I had to replace the batteries in my Super Graphic an d didn’t see these listed- I paid about $25 each. Ouch!

Tin Can
28-May-2022, 04:15
I buy the white ones, they are stacked cells

They work well in my flashbulb devices

Does a SG have a hidden capacitor?

j.e.simmons
28-May-2022, 06:53
Yes, the Super Graphics and Super Speeds have capacitors and resistors in the upper area of the camera.

Tin Can
28-May-2022, 07:40
Good to know and replace

Thank you!


Yes, the Super Graphics and Super Speeds have capacitors and resistors in the upper area of the camera.

Doug Herta
28-May-2022, 18:41
RoboRepublic - The batteries you linked to will probably not fit. They are slightly too large and the battery compartment of the Super Graphic does not have enough space tolerance to fit. The expensive white ones for sale mentioned by Tin Can are stacked 1.5v button cells shrink wrapped and soldered in series. They are expensive - probably because they appear to have to be assembled by hand.

I am working on a battery tray that would take a couple of garage door opener batteries and a diode to get the voltage to 22.5 volts - I'll let you know how it goes.

brucetaylor
28-May-2022, 21:00
Even at $25 each I was glad I could even buy a pretty exact replica of the original batteries. Doug, please do let us know how your project works out. I like the solenoid release a lot.

RoboRepublic
2-Jun-2022, 09:37
I buy the white ones, they are stacked cells

They work well in my flashbulb devices

Does a SG have a hidden capacitor?

Hi! Which ones are the 'white ones'? Is it one of these? https://tinyurl.com/4br76vdu

Thanks everyone for chiming in :)

Tin Can
2-Jun-2022, 10:11
Yes, I bought that exact battery 2015 from Amazon for $26, now they are $27

HOWEVER I did not use it in a SG as I did not have one then

Now I do, but that battery is long gone

so somebody needs to try it, not me this summer





Hi! Which ones are the 'white ones'? Is it one of these? https://tinyurl.com/4br76vdu

Thanks everyone for chiming in :)

brucetaylor
2-Jun-2022, 22:33
RoboRepublic, the “white ones” you linked to are the same ones I found on eBay. They work perfectly in my Super Graphic. Just wanted to acknowledge this.

Tin Can
3-Jun-2022, 05:02
Good to know, I need 2

later

1 for SG

1 for pocket flash bulbs


RoboRepublic, the “white ones” you linked to are the same ones I found on eBay. They work perfectly in my Super Graphic. Just wanted to acknowledge this.

BrianShaw
3-Jun-2022, 07:49
Good to know, I need 2

later

1 for SG

1 for pocket flash bulbs

Three

j.e.simmons
8-Jun-2022, 10:26
I ordered a set of these batteries as posted by the OP. I was surprised to actually receive four batteries. The batteries themselves are shrink wrapped in very tough plastic that required a sharp knife to remove. They are in metal cases, unlike the cardboard white ones. I feared they would not fit, but by applying a good bit of thumb pressure and letting the camera case scrape off some of the battery paint, I got them in. They work.

BTW - I’ve found that by leaving off the battery door when not using the camera, I get long battery life.

BrianShaw
8-Jun-2022, 11:42
Thanks for the report, John... that's encouraging news! I'm a bit surprised to hear that the "white ones" aren't in a metal case. That is not a satisfactory design, IMO. Fitting tight, as you describe, is how I seem to recall the original batteries fitting... so no problem there. BTW... I, too, always removed the battery doors (and the batteries) when not in use. The only part of that situation that worried me a bit was the thought of losing the door when in storage. Glad to hear that you have been successful. I might have to buy some and pull my Super Graphic out of retirement. :)

j.e.simmons
8-Jun-2022, 12:13
I’ve got a friend who’s really good with a 3D printer. I’m going to talk to him about making doors. I’m concerned about finding spring contact material. I can’t seem to locate any brass, which is what I assume the original is.

BrianShaw
8-Jun-2022, 12:44
I’ve got a friend who’s really good with a 3D printer. I’m going to talk to him about making doors. I’m concerned about finding spring contact material. I can’t seem to locate any brass, which is what I assume the original is.

I'd have to look at mine to see if it looks like brass or not; I don't think I ever thought about it. But I did think about making a spare door. What about a spring steel, like this?

https://www.mcmaster.com/spring-tempered-steel-strips/

j.e.simmons
8-Jun-2022, 12:47
That steel is my backup idea. I’m thinking we have good epoxies now to glue it on, rather than the press fit of the original.

BrianShaw
8-Jun-2022, 12:59
That steel is my backup idea. I’m thinking we have good epoxies now to glue it on, rather than the press fit of the original.

Somewhere in my garage I have a rivet press and a jillion hollow brass rivets that would be perfect to replicate a door… somewhere in my garage. I was going to make a spare for myself out of highly pressed cardboard but never got around to it.

brucetaylor
8-Jun-2022, 14:16
I’ve got a friend who’s really good with a 3D printer. I’m going to talk to him about making doors. I’m concerned about finding spring contact material. I can’t seem to locate any brass, which is what I assume the original is.

I just had mine out- it actually looked like copper coated steel. I would think spring steel would do the trick. That is great to know the inexpensive batteries mentioned above fit and work. I think I'll get some as spares.