<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>The thought was to charge the batteries for a new building utilizing an SW4024 with new classic controller and new L A batteries, and once those batteries are charged send the PV to the house system which is the 48v setup with dual outback inverters and dual SB3048 CCs. Lead acid batteries as well. 3 years old </div><div>I've never had this come up in 16 years!</div><div><br><br>Jeremy Rodriguez <div>All Solar, Inc. <div>1463 M<br><div>Penrose Colorado 81240</div><div><br></div><div>Sent by Jeremy's iPhone. Sorry for typos and shorthand!</div></div></div></div><div><br>On Mar 24, 2015, at 5:31 PM, "Ray Walters" <<a href="mailto:ray@solarray.com">ray@solarray.com</a>> wrote:<br><br></div><blockquote type="cite"><div>
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What's the reasoning behind two different battery banks at different
voltages? What is the other equipment involved: batteries type, age,
inverters, etc.?<br>
<pre class="moz-signature" cols="72">R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760</pre>
<div class="moz-cite-prefix">On 3/24/2015 5:07 PM, Jeremy Rodriguez
wrote:<br>
</div>
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<div dir="ltr">It would be 2kw of PV<br>
<br>
Jeremy<br>
All Solar<br>
Penrose, CO<br>
<br>
<div>
<hr id="stopSpelling">Date: Tue, 24 Mar 2015 12:17:20 -1000<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:jerrysgarage01@gmail.com">jerrysgarage01@gmail.com</a><br>
To: <a class="moz-txt-link-abbreviated" href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a><br>
Subject: Re: [RE-wrenches] Charging Multiple Battery Banks<br>
<br>
<div dir="ltr">
<div>How big of a system are you looking at as some of the
smaller charge controllers are auto sensing<br>
</div>
Jerry<br>
</div>
<div class="ecxgmail_extra"><br>
<div class="ecxgmail_quote">On Tue, Mar 24, 2015 at 12:11
PM, Jeremy Rodriguez <span dir="ltr"><<a moz-do-not-send="true" href="mailto:allsolarjeremy@msn.com" target="_blank">allsolarjeremy@msn.com</a>></span>
wrote:<br>
<blockquote class="ecxgmail_quote" style="border-left:1px
#ccc solid;padding-left:1ex;">
<div>
<div dir="ltr">Wrenches,<br>
I have a client that wants to charge a 24v battery
bank and a 48v bank with the same array. Different
charge controllers, with some type of relay is what
I was thinking, and using the controller's aux. 12v
output for the relay control. <br>
The primary battery to be charged would be the 24v
bank, then once it is fully charged, divert the pv
to the secondary controller at the 48v bank.<br>
<br>
Any comments or recommendations on this would be
helpful.<span class="ecxHOEnZb"><font color="#888888"><br>
<br>
Jeremy Rodriguez<br>
All Solar Inc. <br>
Penrose, CO<br>
</font></span></div>
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