<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">HI Peter,<div><br></div><div>I don't know of any sealed that go above the 14.4v/12v setpoints.</div><div>And most I've seen a 14.2 ish.</div><div>That said I have seen eq recommendations for industrial sealed, but with very controlled conditions.</div><div><br></div><div>above 14.4 it will start to gas just like a wet battery.</div><div><br></div><div>jay</div><div><br></div><div>peltz power<br><div><div>On Sep 15, 2009, at 7:32 AM, Peter Parrish wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div lang="EN-US" link="blue" vlink="purple"><div class="Section1"><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; ">I have been told that AGM batteries can withstand pretty aggressive charging rates, with a bulk rate being ½ of C/20. For example a MK 8A8D, with a C/20 of 245 A-h, would start with 122 A. If this is okay, can I still use the standard 14.6 V value for switching from Bulk to Absorb? What about ambient temperature effects at high charge rates?</span></font></div><p class="MsoNormal" style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; "> </span></font></p><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; ">We have need from time to time to charge AGMs as quickly as we can safely do so, so any information on high charge rates would be appreciated.</span></font></div><p class="MsoNormal" style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; "> </span></font></p><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; ">- Peter</span></font></div><div><p class="MsoNormal" style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; "> </span></font></p><br clear="ALL"><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; margin-top: 0in; margin-bottom: 0.0001pt; "><font size="2" color="navy" face="Arial"><span style="font-size: 10pt; font-family: Arial; color: navy; ">Peter T. Parrish, Ph.D., President<br>California Solar Engineering, Inc.<br>820 Cynthia Ave., Los Angeles, CA 90065<br>CA Lic. 854779, NABCEP TM Cert. 031806-26<br><a href="mailto:peter.parrish@calsolareng.com" style="color: blue; text-decoration: underline; ">peter.parrish@calsolareng.com</a> <span class="Apple-converted-space"> </span><br>Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885 <span class="Apple-converted-space"> </span></span></font><font size="1" color="navy"><span style="font-size: 9pt; color: navy; "> </span></font></div><div style="margin-right: 0in; margin-left: 0in; font-size: 12pt; font-family: 'Times New Roman'; "><font size="3" color="navy" face="Times New Roman"><span style="font-size: 12pt; color: navy; "> </span></font><font color="blue"><span style="color: blue; "></span></font><br class="webkit-block-placeholder"></div></div></div></div></span></blockquote></div><br></div></body></html>