[ARC5] Battery Report

[Dennis Monticelli]

I have been disappointed by nearly all the brands at one time or another.
More than anything else it's the integrity of the seals that matter.

When a battery runs down (and especially if it discharges deeply via its
internal leakage current) it forms chemicals and gases that contribute to
breaking down the seals. That plus father time eventually causes the seals
to fail.  Some battery makers use better quality seals than others.  Some
makers have better control of their manufacturing process.  It was the
latter that caused the Duracell/Kirkland battery fiasco (I was a victim of
that too).

There's no absolute protection if you let any battery run down deeply while
sitting in the equipment.  I will also note that I have never experienced
Li primary cell leakage.  However, these types self discharge so slowly
that its rare to find a fully depleted battery even in equipment that's
been sitting on the shelf.

Dennis AE6C

On Mon, Feb 3, 2020 at 11:21 AM Hubert Miller <Kargo_cult at msn.com> wrote:

> Thinking again about C batteries, I recalled that I had seen C- up to 13.5
> volts. The bias batt in my Forest Service SPF radios is -4.5 volts, and I
> have a Royal 2-tube
> ham receiver wanting -13.5 volts C.  I have somewhere around here an odd
> battery, 7.5 volts with a 6 volt connector too. So you could select 6 or
> 7.5 volt.
>
> Now re batteries prone to leakage, I would suggest one be careful with
> dollar store batteries, the Sunbeam and Panasonic brands sold there. They
> seem to like to
> do that when you have forgotten them.
>
> Some of the Duracell batteries in 1.5 volts had a self test strip on the
> side. Some Duracell 9 volt packages had the tester on the package. I have
> removed some of those
> strips, carefully excising them from the 1.5 AA cells, to play with them
> as "battery testers". You know, the narrow strip that lights up from red to
> green.
>
> As for guarantees, how about the Krusty Brand battery disclaimer: "If
> these batteries leak, don't blame us."  Years back I printed out from the
> internet some Krusty Brand
> battery labels and actually glued them over the casing of some AA batts
> kept  in our company's supply area. You know what? Nobody even noticed.
> It's like driving
> every day past some billboard sign, and you can't  even recall what it
> says.
> -Hue
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