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Inside square 6 volt lantern batteries

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Stormin Mormon

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May 23, 2013, 8:10:42 AM5/23/13
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I saw a video on Youtube, that said they
have 32 eaches AA cells:
http://www.youtube.com/watch?v=W76u_p60gyA
And, a whole list of debunk videos, of
people tearing apart 6 volt batteries. So,
it's time for a bit of my own testing. I don't
have a video cam or youtube account, but I
can post to this list.

I've ripped apart a couple square batteries.

Duracell: had four D cells, looked just like the Duracell
D cells I can get at the store. (One was dead, other three
were fine. But, it's not possible to change just one battery,
so the whole pack would had to be thrown away.)

Rayovac heavy duty (found it on the sidewalk, didn't cost
me anything) had F cells. Four compartments, with long
carbon zinc cells.

Energizer: don't know about those. I saw something that
the 12 volt rectangle cells with screw terminals, Energizer
uses F cells (longer than D, but same diameter).

.
Christopher A. Young
Learn more about Jesus
www.lds.org
.
.

Frank

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May 23, 2013, 8:26:16 AM5/23/13
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People should realize that electrochemical potential requires multiple
batteries in series to reach the higher voltages.
Why buy a 6 volt battery when you can get an item that uses 4 D batteries?
As you point out, one dead battery in the 6 volt cell makes it useless.

Stormin Mormon

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May 23, 2013, 8:23:18 AM5/23/13
to
I saw a video on Youtube, that said they
have 32 eaches AA cells:
http://www.youtube.com/watch?v=W76u_p60gyA
And, a whole list of debunk videos, of
people tearing apart 6 volt batteries. So,
it's time for a bit of my own testing. I don't
have a video cam or youtube account, but I
can post to this list.

I've ripped apart a couple square batteries.

Duracell: had four D cells, looked just like the Duracell
D cells I can get at the store. (One was dead, other three
were fine. But, it's not possible to change just one battery,
so the whole pack would had to be thrown away.)
(Not my video: http://www.youtube.com/watch?v=aTgqtILJGiE )

Rayovac heavy duty (found it on the sidewalk, didn't cost
me anything) had F cells. Four compartments, with long
carbon zinc cells.
http://www.youtube.com/watch?v=zoTeMEXZfXs
(not my video)

Energizer: don't know about those. I saw something that
the 12 volt rectangle cells with screw terminals, Energizer
uses F cells (longer than D, but same diameter).
Youtube video confirms the F cells:
http://www.youtube.com/watch?v=Xn2hWqnicsw

Eveready Heavy Duty: (not my video)
http://www.youtube.com/watch?v=aTgqtILJGiE
Four carbon zinc F cells.

.
Christopher A. Young
Learn more about Jesus
(yes, that's my church; at least one URL in here is real.)
www.lds.org
.
.

Stormin Mormon

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May 23, 2013, 9:31:00 AM5/23/13
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I'm not all sure why someone designed the six volt batteries. But, I agree, the concept isn't all that great.

A couple days ago, I got a call to make keys to an alarm lock. Find that someone had removed the plug that goes into the custom 6 volt battery. Wired directly to a spring terminal 6 volt cell. Problem is, that both spring terminals were pushing on the inside of the metal case. Might explain why the batteries go dead so fast.
.
Christopher A. Young
Learn more about Jesus
www.lds.org
.
.
"Frank" <frankdo...@comcast.net> wrote in message news:knl1m3$882$1...@dont-email.me...

rbowman

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May 23, 2013, 10:01:50 AM5/23/13
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Stormin Mormon wrote:

> Duracell: had four D cells, looked just like the Duracell
> D cells I can get at the store. (One was dead, other three
> were fine. But, it's not possible to change just one battery,
> so the whole pack would had to be thrown away.)

Why don't you try taking apart a NiCd D cell for scientific purposes? I
never did but I'd read once that inside every D rechargeable lives an AA.

Stormin Mormon

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May 23, 2013, 10:18:49 AM5/23/13
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I've heard that, also. I don't have any rechargable D cells to disect. This are the 2500 mA units. I suspect the larger capacity cells aren't just repackaged AA.

I had two "high capacity" nicad D from Radio Shack, 4200 mA, I think. But they went dead after years of not being used. Ended up, pitch them out.
.
Christopher A. Young
Learn more about Jesus
www.lds.org
.
.
"rbowman" <bow...@montana.com> wrote in message news:b06lq4...@mid.individual.net...

Winston_Smith

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May 23, 2013, 11:49:58 AM5/23/13
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On Thu, 23 May 2013 08:26:16 -0400, Frank
<frankdo...@comcast.net> wrote:

>Why buy a 6 volt battery when you can get an item that uses 4 D batteries?

In some cases a more convenient form factor.

>As you point out, one dead battery in the 6 volt cell makes it useless.

The original 6V batteries used cells that were quite a lot bigger than
D cells and had quite a lot more A-hr capacity.

With declining use, it's not surprising manufacturers gravitated to
fewer standard components to build many products.

In the early days of NiCd, I noticed the ratings on the GE AA and D
cells was identical and the prices were similar. When they finally
reached end of useful life, I hacked one open. Yup, an AA cell inside.
Complete with the same label that was on the single AA in the store.

Winston_Smith

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May 23, 2013, 11:53:03 AM5/23/13
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On Thu, 23 May 2013 08:01:50 -0600, rbowman wrote:

>Why don't you try taking apart a NiCd D cell for scientific purposes? I
>never did but I'd read once that inside every D rechargeable lives an AA.

You probably read my post the last time SM did this identical post. I
did just that with a General Electric NiCd D cell and that is exactly
what I found. It even had the label on it the ones sold separately
did.

Frank

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May 23, 2013, 12:32:54 PM5/23/13
to
Single AA or three or four in parallel?
Whatever, is funny.
I remember my first surprise in opening a 9 volt cell to find six AA's.
They could build a 9 volt cell without all these extra wrappings but it
is obvious that they are doing what is cheapest for them to do.

Stormin Mormon

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May 23, 2013, 1:03:04 PM5/23/13
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Single, or so the article says.

The 9V transistor cells can contain six AAAA
(quad A) cells, which are too short to use in
place of our common AAA cells. Bummer.
.
Christopher A. Young
Learn more about Jesus
www.lds.org
.
.
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Winston_Smith

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May 23, 2013, 6:16:14 PM5/23/13
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On Thu, 23 May 2013 12:32:54 -0400, Frank
<frankdo...@comcast.net> wrote:

>On 5/23/2013 10:01 AM, rbowman wrote:
>> Stormin Mormon wrote:
>>
>>> Duracell: had four D cells, looked just like the Duracell
>>> D cells I can get at the store. (One was dead, other three
>>> were fine. But, it's not possible to change just one battery,
>>> so the whole pack would had to be thrown away.)
>>
>> Why don't you try taking apart a NiCd D cell for scientific purposes? I
>> never did but I'd read once that inside every D rechargeable lives an AA.
>>
>Single AA or three or four in parallel?

I took one apart. Single AA cell. The tip off before I opened it was
that the Ahr for both sizes was the same.

>Whatever, is funny.
>I remember my first surprise in opening a 9 volt cell to find six AA's.
>They could build a 9 volt cell without all these extra wrappings but it
>is obvious that they are doing what is cheapest for them to do.

A battery is, by definition, a collection of cells. (Same as an
artillery battery is a collection of guns.) If it has a terminal
voltage higher than a nominal 1.5 V**, then it's a number of cells
connected in series. Always has been; always will be.

The only difference you might see going into the future is the cells
inside may be something you recognize separately instead of the cells,
custom made for the application, they historically used.

** Excepting some chemistries that aren't commonly used like lithium.

gregz

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May 23, 2013, 9:43:38 PM5/23/13
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It all depends on how much you want to pay. Many had c cells inside. I'm
sure they had full sized d. They had high capacity and high cost.

A 6 volt battery is usually more reliable, less contacts to go bad than
using 4 d. They also had less weight in the carbon models.

Gre

gregz

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May 23, 2013, 10:21:13 PM5/23/13
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Look for at least 4-5 amp hr, and it means it's the real deal.

http://www.zbattery.com/Generic-NiCad-5000mAh-D-Cell-Battery

Greg

John Q. Public

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May 23, 2013, 11:10:32 PM5/23/13
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On 5/23/2013 8:10 AM, Stormin Mormon wrote:
For 6 volts, wrap 4 'D' cells with tape. Solder a single 12" wire
to each battery contact on top and another single wire to each
cell contact on the bottom. Place this bundle inside your lantern
battery container and connect to existing switch circuit.

gregz

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May 23, 2013, 11:42:42 PM5/23/13
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I never, ever, even considered wiring up a bunch of d's But i have seen
adaptors. I like regular 6 volt batteries. I used to get 6 volt alkaline,
slightly used for free, but not anymore. I always got good service from the
regular carbon batteries, and an led conversion would be great.

Greg

Stormin Mormon

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May 24, 2013, 7:36:14 AM5/24/13
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Years ago, I tested life span of carbon zinc versus
alkaline batteries. I used high drain mini mag, and
low drain tape recorder. Both, it took four carbons
to one alkaline.
.
Christopher A. Young
Learn more about Jesus
www.lds.org
.
.
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Frank

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May 24, 2013, 7:51:56 AM5/24/13
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Thanks. Realized I had dropped at least one A but not two.
The space taken up by free volume and the little battery cases could be
much better used by extra battery chemicals to improve amperage.

Stormin Mormon

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May 24, 2013, 7:57:51 AM5/24/13
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I'm guessing it's easier to manufacture the
round AAAA cells. Just a guess. The gain
of mA hours isn't all that much.
.
Christopher A. Young
Learn more about Jesus
www.lds.org
.
.
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