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    <p>The change from Black case to White case was about 3.5 years
      ago.  The current white case version is either open loop
      (SimpliPhi 3.8M) or closed loop (AmpliPhi 3.8M)<br>
    </p>
    <pre class="moz-signature" cols="72">Feather River Solar Electric
Bill Battagin, owner
4291 Nelson St. (Shipping)
5575 Genesee Rd. (USPS, UPS)
Taylorsville, CA  95983
530-284-7849, 258-1641(cell)
CA. C10 Lic # 874049
Solar Powered since 1982
Home of the Sunny Side Up</pre>
    <div class="moz-cite-prefix">On 5/29/2024 11:49 AM, Ray Walters via
      RE-wrenches wrote:<br>
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      cite="mid:b95f8fe0-d13f-4df3-93d6-d0ca9ec32912@solarray.com">
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      <p>Black case 48v are older, probably in the 5 to 6 year range. I
        can't comment on exactly when they made the change from black
        plastic to white metal, but I just did a warranty replacement of
        old black plastic models with new white metal ones. I would
        think paralleling would not be a good idea, because of the age
        difference. As with lead acid, you probably could get away with
        it, but I don't think they would charge and discharge evenly. 
        IMHO, those are too expensive to play with.</p>
      <p>Ray Walters<br>
        Remote Solar<br>
      </p>
      <div class="moz-cite-prefix">On 5/29/2024 5:14 AM, Jason
        Szumlanski via RE-wrenches wrote:<br>
      </div>
      <blockquote type="cite"
cite="mid:CAE438R8C0n0LSD6S1XYtWuRgz4S0n9f=K10bbFW=GA711G8tMg@mail.gmail.com">
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            style="font-family:arial,helvetica,sans-serif">Is there a
            difference in the batteries in a white case vs. black case?
            Are they compatible in terms of paralleling them?</div>
          <div class="gmail_default"
            style="font-family:arial,helvetica,sans-serif"><br>
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          <div class="gmail_default"
            style="font-family:arial,helvetica,sans-serif">Secondary
            question - I can't find the maximum number of these
            batteries in parallel. Is anyone aware of the capacity
            limit?</div>
          <div class="gmail_default"
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          <div class="gmail_default"
            style="font-family:arial,helvetica,sans-serif">Jason
            Szumlanski</div>
          <div class="gmail_default"
            style="font-family:arial,helvetica,sans-serif">Florida Solar
            Design Group</div>
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