Making Contact with a AAA Cell

[D from BC]

Ever needed to attach wires to a AAA cell?
Sure you can get a gater clip on the positive but not the negative.
But maybe a really big gater clip would work..But lets say there isn't
one.

Here's the idea.. Use magnets..
Maybe it's an old trick but I haven't read about it yet or seen anyone
do it...

I have plated magnets. I was able to solder wires to the magnets..

Here's the arrangement..

------wire----[magnet][AAA battery][magnet]---wire----

Anybody done this before?


D from BC

 

[Claude Desjardins]

Actually the trick almost sounds obvious but, no, I never thought of
doing that before

I rip the plastic battery holder clips off other things so I can work on
my projects or I use rubber bands ...

 

[Ian]

Actually the trick almost sounds obvious but, no, I never thought of
doing that before

Of course, someone has....

http://www.maplin.co.uk/Module.aspx?ModuleNo=33465&criteria=magnetic&doy=10m9

 

[neon]

magnets are carbon composite how are you going to make a connection???

 

[[email protected]]

Of course, someone has....

http://www.maplin.co.uk/Module.aspx?ModuleNo=33465&criteria=magnetic&...

Impressive! Neodymium, no less...

Michael

 

[D from BC]

Of course, someone has....

http://www.maplin.co.uk/Module.aspx?ModuleNo=33465&criteria=magnetic&doy=10m9

Oh bummer
I thought I was on to something..

For fun I looked at the FAQ tab..
There's nothing..
I'd find it funny if there were FAQs asking if the item is patented
D from BC

 

[Claude Desjardins]

Of course, someone has....

http://www.maplin.co.uk/Module.aspx?ModuleNo=33465&criteria=magnetic&doy=10m9

oooh look at these! And off to ebay I go

 

[Gary Tait]

Ever needed to attach wires to a AAA cell?

No.
I use a holder.

If I need a "permanent" 1.5v alkaline cell (or set thereof), I use AA
anyways.

 

[René]

Ever needed to attach wires to a AAA cell?
Sure you can get a gater clip on the positive but not the negative.
But maybe a really big gater clip would work..But lets say there isn't
one.

Soldering is a solution:

- Use a file - make bare the patches that will receive the
solder,

- Use a *really* good soldering iron with heavy tip (Weller or
such)
- Set Temp control to max (I said "good iron!")
- Solder *really quick* - i.e. get good flow and adhesion in
less than a second.

If done the wrong way the cell will be distroyed obviously.

I have done this e.g. to repair a Philips rechargeable shaver,
replacing a run down NiMH AA cell with a normal off-the-shelf NiMH AA.

 

[Rich Grise]

Of course, someone has....

http://www.maplin.co.uk/Module.aspx?ModuleNo=33465&criteria=magnetic&doy=10m9

Oh bummer
I thought I was on to something..

For fun I looked at the FAQ tab..
There's nothing..
I'd find it funny if there were FAQs asking if the item is patented [/QUOTE]

On late-nite TeeVee, I sometimes see an ad for a pair of tiny supermagnets
that hook onto necklaces and stuff, so you can take the two ends, just
reach around and get them close, and they snap together. Works for
bracelets too, and maybe ladies' watches - they didn't say how strong
the pull was, but an ordinary piece of jewelry apparently doesn't just
fall off.

As far as batteries, back in the days of zinc-carbon, we just soldered to
them, or bought the dry cells with the thumnuts or Fahnestock clips. ;-)

Cheers!
Rich

 

[Rich Grise]

Soldering is a solution:

- Use a file - make bare the patches that will receive the
solder,

- Use a *really* good soldering iron with heavy tip (Weller or
such)
- Set Temp control to max (I said "good iron!")
- Solder *really quick* - i.e. get good flow and adhesion in
less than a second.

If done the wrong way the cell will be distroyed obviously.

I have done this e.g. to repair a Philips rechargeable shaver,
replacing a run down NiMH AA cell with a normal off-the-shelf NiMH AA.

The surface is probably nickel, which can be soldered with acid flux;
you'll need to wash the joints thoroughly, of course.

Good Luck!
Rich

 

[ehsjr]

Ever needed to attach wires to a AAA cell?
Sure you can get a gater clip on the positive but not the negative.
But maybe a really big gater clip would work..But lets say there isn't
one.

Here's the idea.. Use magnets..
Maybe it's an old trick but I haven't read about it yet or seen anyone
do it...

I have plated magnets. I was able to solder wires to the magnets..

Here's the arrangement..

------wire----[magnet][AAA battery][magnet]---wire----

Anybody done this before?


D from BC

Yup. A couple of years ago I made an LED flashlight
using a single cell & magnets for the contacts. I'll
post a picture on abse.

Ed

 

[ChairmanOfTheBored]

Ever needed to attach wires to a AAA cell?
Sure you can get a gater clip on the positive but not the negative.
But maybe a really big gater clip would work..But lets say there isn't
one.

Here's the idea.. Use magnets..
Maybe it's an old trick but I haven't read about it yet or seen anyone
do it...

I have plated magnets. I was able to solder wires to the magnets..

Here's the arrangement..

------wire----[magnet][AAA battery][magnet]---wire----

Anybody done this before?


D from BC

Yup. A couple of years ago I made an LED flashlight
using a single cell & magnets for the contacts. I'll
post a picture on abse.

Ed

Silver filled chip bonding epoxy.

It's only several hundred dollars per kit, and takes days to cure
without elevated temperatures.

You could "solder" together an entire circuit with it though.

A quick brazing operation works too. Can't keep the heat on very long
though.