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 Post subject: 9V Battery Terminal Clips
PostPosted: Nov Thu 05, 2020 5:52 am 
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Joined: Jun Sat 09, 2007 8:14 am
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Location: Melbourne, Florida
The snap terminal blocks from dead 9V batteries can be used to make terminal clips that are much more robust than most commercial ones. The ones made from some kind of fiber material are the best. I use heat shrink to insulate them.

RRM


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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 05, 2020 8:13 am 
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Can you post a scan of an insulated one?

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 05, 2020 6:46 pm 
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fifties wrote:
Can you post a scan of an insulated one?


Unfortunately I don't have a way to post a photo. I insulate them using 1/2 inch heat shrink, making cuts for the snaps before shrinking.

RRM


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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 05, 2020 10:11 pm 
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OK so I presume that you would slide the terminal into a short length of 1/2" tubing, cut where the contacts are, and then shrink? Sounds like an excellent idea.
I had been using black electrical tape, but it would eventually come undone.

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Fri 06, 2020 1:35 am 
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Location: Melbourne, Florida
fifties wrote:
OK so I presume that you would slide the terminal into a short length of 1/2" tubing, cut where the contacts are, and then shrink? Sounds like an excellent idea.
I had been using black electrical tape, but it would eventually come undone.


Yes. Put the heat shrink on, then press on the snaps to make in imprint, take it off and cut openings, then put it back and shrink.

Taps seems to be one of those things that aren't as good as they were. I used to be able to tape something and it would stay. Now it comes off after a while.

RRM


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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Wed 25, 2020 6:43 am 
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Location: Minnetonka, MN 55305
Never one to conceal my ignorance, please explain what precisely you mean by "terminal clips". Thanks

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Wed 25, 2020 6:49 am 
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The male and female connectors on the top of nine volt batteries.

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Wed 25, 2020 10:46 pm 
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Again a better mouse trap.
Thanks for passing it along.

Freeman


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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 26, 2020 1:10 am 
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The OP references the "terminal blocks" atop 9V batteries being repurposed as "terminal clips". Still not comprehending what the outcome is. Thanks.

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 26, 2020 1:57 am 
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Don't let the semantics confuse you. There are no "blocks" per se on the top of nine volt cells, but rather a wafer underneath and attached to the male and female battery terminals. Notice he posted "The ones made from some kind of fiber material are the best" in reference to the wafer.

Hence a "block" consisting of the bottom wafer, and the two terminals.

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 26, 2020 2:07 am 
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More from Density Central here in Minnesota: I am aware of 9V battery design and construction. My inability to ask the right question is the problem here: What is he trying to accomplish, what is he going to use the modified terminals from a battery top for?

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 26, 2020 2:13 am 
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Well, if you collect either Transistor radios, or coat pocket portable tube sets, often they are either missing their snap battery connectors, or they are broken in half. You can buy replacements, but spent nine volt batteries give them for free. Also, when making a 67-1/2 volt power supply, esp inside a 67-1/2 volt battery package, the connectors work to connect the cells together.

If all you deal in though is AC powered tube equipment, they won't have any relevance for you.


Attachments:
B battery 67.5 volt layout 2 a.jpg
B battery 67.5 volt layout 2 a.jpg [ 148.04 KiB | Viewed 3362 times ]

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Nov Thu 26, 2020 3:06 am 
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Location: Minnetonka, MN 55305
Roger that. I do work on transistor sets sometimes and now see the relevance. The replacements are inexpensive but a spent battery terminal "block" might be more robust. Thank you!

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Apr Sun 18, 2021 5:13 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: dayton oh usa
2 5mm white leds and a 100ohm 1/8w resistor in series on a 9v clip makes a flashlight.
it can be any color.
red,orange,amber,yellow,and some green you use 3 in series due to low vf.
2 for white,blue,some greens,and uv.
and the use of this creates more dead batts to mine for clips.
i get the leds neatly arranged and straight then used medium ca with zip kicker to secure them.
5min clear epoxy might be better as ca can crack after a while.


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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Apr Mon 19, 2021 12:05 am 
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You can repurpose the battery cases too. Back in the '60s I built a code practice oscillator in one. Plug in a key and earphone, snap it onto a 9V battery and send away.

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 Post subject: Re: 9V Battery Terminal Clips
PostPosted: Apr Thu 29, 2021 7:51 pm 
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Joined: May Wed 22, 2013 6:58 pm
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Location: Cincinnati, Ohio
And you should avoid using red glossy plastic connector base, they are
loosing connection just from soldering / heating (every terminal in
these is a two parts design, stamped together).
Some Lithium batteries seems to be not suitable for connector extraction.


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