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Thread: Making Odd Sized Batteries

  1. #1

    Making Odd Sized Batteries

    Making Odd Sized Batteries by Nokton48, on Flickr

    I just unearthed these two Calumet Flash Meters in my studio, and I'd like to get them going again. Thirty years ago I went to Batteries Plus, and they built these custom batteries for me, which worked great! Inside the cardboard tube is four Number 344 batteries, soldered together with tabs. I called Batteries Plus and they really don't do stuff like this anymore.

    I think I can get 344's or equivalent, where do I get the soldering tabs? I can do the work and I really see no need to pay someone to do this. Any tricks from you Guys out there to constructing these Odd Sized Batteries?

    The 344 1.55V looks like a standard watch battery, easy to get. Can prolly get them at the local grocery store
    Flikr Photos Here: https://www.flickr.com/photos/18134483@N04/

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  2. #2

    Join Date
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    Re: Making Odd Sized Batteries

    You should be able to find batteries with attached solder tabs online.


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  3. #3
    ic-racer's Avatar
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    Re: Making Odd Sized Batteries

    I have cut solder tabs out of thin brass.
    Click image for larger version. 

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  4. #4

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    Re: Making Odd Sized Batteries

    Quote Originally Posted by Daniel Unkefer View Post
    I think I can get 344's or equivalent, where do I get the soldering tabs? I can do the work and I really see no need to pay someone to do this. Any tricks from you Guys out there to constructing these Odd Sized Batteries?
    I got a bunch of nickel plate strips from Amazon for a non-camera project with NiCad AAs a while ago (never used them.) In researching the topic, you need to be careful as you shouldn't use a regular soldering iron to attach them. If you do, you might heat up the internals of the battery which would result in "bad things" happening. I think spot welding is the recommended way but I have also seen references to using a high power soldering iron.

    I just did a search on batteries for Calumat Flash Meters and found a reference to the M-100s using PX23 batteries. I was able to find an Excell S23PX (Silver Oxide batter) online. Have you looked to see if this would work for your meters?

    -Darren

  5. #5

    Re: Making Odd Sized Batteries

    Quote Originally Posted by Darren Kruger View Post
    I got a bunch of nickel plate strips from Amazon for a non-camera project with NiCad AAs a while ago (never used them.) In researching the topic, you need to be careful as you shouldn't use a regular soldering iron to attach them. If you do, you might heat up the internals of the battery which would result in "bad things" happening. I think spot welding is the recommended way but I have also seen references to using a high power soldering iron.

    I just did a search on batteries for Calumat Flash Meters and found a reference to the M-100s using PX23 batteries. I was able to find an Excell S23PX (Silver Oxide batter) online. Have you looked to see if this would work for your meters?-Darren
    Thanks Darren!
    I will check that S23PX out
    Flikr Photos Here: https://www.flickr.com/photos/18134483@N04/

    “The secret of getting ahead is getting started.”
    ― Mark Twain

  6. #6

    Re: Making Odd Sized Batteries

    Looks like I need some of this for various projects, so I ordered here:

    https://www.ebay.com/itm/17363039662...53.m2749.l2649
    Last edited by Daniel Unkefer; 13-Feb-2022 at 16:43.
    Flikr Photos Here: https://www.flickr.com/photos/18134483@N04/

    “The secret of getting ahead is getting started.”
    ― Mark Twain

  7. #7

    Re: Making Odd Sized Batteries

    I ordered four S23PX's and twenty 344's so I am all set for a while.
    Flikr Photos Here: https://www.flickr.com/photos/18134483@N04/

    “The secret of getting ahead is getting started.”
    ― Mark Twain

  8. #8

    Join Date
    Nov 2017
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    Re: Making Odd Sized Batteries

    skip the soldering and the sketchy glue, just place them in the tube and use the tabs attached to the ends folded in a zigzag to keep the cells pressed together.

  9. #9
    (Shrek)
    Join Date
    Mar 2011
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    Re: Making Odd Sized Batteries

    I don't electrically fasten them. I clean them with alcohol, stack them and wrap them in tape. Never had any trouble, have used Yashica rangefinders this way until the batteries died. As a plus, I can wrap LR44s with tape to make them whatever diameter I need. I adjust the length by adding a piece of aluminum dowel cut to size. Yes I know that causes a reaction between the two metals and a buildup of corrosion that will eventually break contact. It's never been a problem in practice. Yes a length of brass would be better, but I had an aluminum dowel the right size sitting beside my desk.

  10. #10

    Re: Making Odd Sized Batteries

    Right Thanks Guys. The conductive glue I will use for some other projects. Even a wad of aluminum foil has worked for me in the past to make batteries fit tightly in a battery chamber. I'm sure I'll make it work. I can cut metal very precisely now so that's a good option too
    Flikr Photos Here: https://www.flickr.com/photos/18134483@N04/

    “The secret of getting ahead is getting started.”
    ― Mark Twain

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