<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">HI Allan and all,<div class=""><br class=""></div><div class="">I\u201dm with Dave when it comes to designing and cobbling together a fix for an incredibly expensive piece of equipment. Sure I can get it to work, but who\u2019s fault is it when it doesn\u2019t? </div><div class="">And it does bring up the interesting point about where are the temp sensors located? Would seem you\u2019d need a few to be able to measure temp both in the middle and outside. I can certainly see the situation that the middle/inside was much colder than the outside. If the temp sensor was on the outside then it could have a false reading potentially leading to damage. </div><div class="">I very much like the LiFiBlue which will have it built in.</div><div class="">Hope fully others will follow this route and give us an option for cold temps.</div><div class=""><br class=""></div><div class="">Where the question for this thread came from is a polaris lead to lithium conversion and in a place that gets really cold and not in a heated garage. I\u2019ve done a few where I live but it doesn\u2019t really get cold enough for it to be an issue.</div><div class=""><br class=""></div><div class="">Great stuff</div><div class=""><br class=""></div><div class="">jay</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On May 17, 2019, at 9:19 AM, Sindelar Solar <<a href="mailto:Allan@sindelarsolar.com" class="">Allan@sindelarsolar.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">Jay,</p><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">I faced this issue recently with a Blue Ion system. Blue Planet tech support sent me a clear description of the solution worked out by a Utah installer, Gardner Energy in West Haven, that was brilliant. It used an 18W and a 24W reptile terrarium heater placed between layers of batteries (pet store), a $15 Thermo-Cube thermostatically controlled plug-in outlet (hardware or farm supply), and a roll of Reflectix mylar-coated bubble-wrap insulation (Home Depot) that lined the steel battery enclosure on its interior.</p><p style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class="">Allan<br class=""></p><div class="moz-cite-prefix" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;">On 5/16/2019 5:41 PM, jay wrote:<br class=""></div><blockquote type="cite" cite="mid:EEBAF362-8DE0-437A-9B3A-E057596B46B5@gmail.com" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;" class=""><pre class="moz-quote-pre" wrap="">HI All,
I\u201dm wondering if anyone has suggestions about how to charge a Lithium battery in RV or in this case Polarius in sub zero temps.
Are there batteries that have heaters built in, or is it still a custom design issue to build a heating system?
( insulation and heaters)
Thanks,
jay
peltz power
</pre></blockquote><div class="moz-signature" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none;">--<span class="Apple-converted-space"> </span><br class=""><div class="WordSection1" style="page: WordSection1;"><p class="MsoNormal" style="margin: 0in 0in 8pt; line-height: normal; font-size: 11pt; font-family: Calibri, sans-serif;"><b class=""><span style="font-size: 12pt;" class="">Allan Sindelar</span></b><span style="font-size: 12pt;" class=""><br class=""></span><a href="mailto:allan@sindelarsolar.com" style="color: rgb(149, 79, 114); text-decoration: underline;" class=""><span style="font-size: 10pt;" class="">allan@sindelarsolar.com</span></a><span style="font-size: 10pt;" class=""><br class="">New Mexico EE98J Journeyman Electrician<br class="">Founder (Retired),<span class="Apple-converted-space"> </span><span class="">Positive Energy, Inc<span class="GramE">.</span></span><br class=""><b class="">505 780-2738 cell</b></span><span style="font-size: 12pt;" class=""><o:p class=""></o:p></span></p><p class="MsoNormal" style="margin: 0in 0in 8pt; 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