The reason the lead calcium does not have the stratification problem as much is
the chemistry does not self discharge as fast. The lead antimony plates are
strong but the antimony leads to self discharge. this is so slow that it
allows the battery to stratify, and therefore it needs more cycling and more
equalization.
________________________________
From: Exeltech <exelt...@yahoo.com>
To: RE-wrenches <re-wrenches@lists.re-wrenches.org>
Sent: Thursday, February 16, 2012 5:09 PM
Subject: Re: [RE-wrenches] Interstate L-16 vs Trojan L-16REB
Carl,
I've got two sets of Surette lead-calcium in an off-grid test system.
The electrolyte is H2S04 .. sulfuric acid.
The internal construction of these batteries is more open than I've
seen in other L16 style cells (more space between the plates),
which may (or may not) lend itself to lessening of stratification
issues.
Dan
--- On Thu, 2/16/12, Carl Hansen <solar...@cybermesa.com> wrote:
>From: Carl Hansen <solar...@cybermesa.com>
>Subject: Re: [RE-wrenches] Interstate L-16 vs Trojan L-16REB
>To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org>
>Date: Thursday, February 16, 2012, 3:12 PM
>
>
>I've heard that Lead-calcium batteries do not need Equalization, I think
>because
>the electrolyte does not contain sulfates so the lead
plates cannot get sulfated.
>Although maybe electrolyte
stratification is still an issue. Can anyone confirm
>that this info
is correct ?
>
>Carl,
>
>
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