[RE-wrenches] 2v metal cased cells

Jerry Shafer jerrysgarage01 at gmail.com
Sat Jul 12 12:03:38 PDT 2014


I have Surrettes, Industrial Hawkers FLA with steel cases, NiFe, Li-on and
the traditional plastic case types. The Surrettes are a very easy to
maintain battery little water use and stays clean.The steel case seams to
need cleaning allot more, goes through more water but also have the a great
life span for older technology. NiFe they say will last forever if you can
afford the cost upfront just change the fluid every five to ten years,they
do not produce the gas like FLA's do. The jury is still out on Li-on even
with BMS we have had issues with 48 volt not 24 just the 48 volt
manufacture says they are working on it. I would only use steel if you are
in an area that gets regular abuse or is exposed to the elements. It does
seam in the research that the steel case comes from the requirement in
industrial moving equipment for protection and leak prevention, not to be
bomb proof.


On Sat, Jul 12, 2014 at 11:17 AM, Chris Schaefer <chris at solarandwindfx.com>
wrote:

> I too am a big fan of Surrette and what I’d be worried about is the
> sweating and/or moisture that would build up on the steel @ high humidity’s
> or high dew points.
>
>
>
> Christopher
>
>
>
> *From:* RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On
> Behalf Of *jay peltz
> *Sent:* Saturday, July 12, 2014 09:13
>
> *To:* RE-wrenches
> *Subject:* Re: [RE-wrenches] 2v metal cased cells
>
>
>
> Hi all
>
>
>
> Yes good points.
>
> However I have good reason to believe that the dual plastic case batteries
> ( rolls or Trojan) act like good insulation.
>
> I'm working on some designs for the deep tropics and heat build up is a
> huge problem.
>
>
>
> Whether I use fans, water, or AC Units, I think that individual steel
> cased cells will have greater surface area and cool faster than other
> batteries.
>
>
>
> But maybe others have different ideas?
>
>
>
> Jay
>
>
>
>
>
>
>
>
> On Jul 12, 2014, at 5:01 AM, Tump <tump at swnl.net> wrote:
>
> Why would you NOT use the Surrette batteries. Far easier to move, up to
> 2400 Has at 20 hr rate. Steel CONDUCTIVE/ RUSTING cases never made sense to
> me. The only reason I would use something steel would be the AGM when
> seismic security was required.
>
> On Jul 11, 2014, at 11:51 AM, jay peltz wrote:
>
>
>
> Hi All,
>
> I'm wondering what options people are using for steel cased individual 2v
> industrial cells.
>
> thanks
>
> jay
>
>
>
>
>
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