<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I am in the middle of a major install using their Duration PL. I have been a long time fan of the MK series & I have always felt that my tech support Doug Laningham and their engineers has been very good. <a href="mailto:dlaningham@mkbattery.com" class="">dlaningham@mkbattery.com</a>. They have recently brought on Bill Huss from Battle Born who is very knowledgeable and actually has some experience in solar installations. His knowledge and his excitement over this product makes him quite a valuable asset to those of us who are trying to integrate this product in our installs. <a href="mailto:bhuss@mkbattery.com" class="">bhuss@mkbattery.com</a><div class="">Both of these folks are suburb and very committed to a quality install. Yes they are somewhat lacking w/ their inverter compatibility options but I believe thats more on the manufactures side. I would suggest that you discuss your questions w/ these 2 but I have seen nothing but their openness to feed back and willingness to work thru their design constraints.</div><div class="">Look to Midnite, their LBCB 250. enables one using the battery cables supplied by MK to feed into their combiner box, 10 space w/ a 250A disco enclosed. </div><div class=""><br class=""></div><div class=""><div><blockquote type="cite" class=""><div class="">On Jun 11, 2025, at 3:46 PM, Kevin Pegg via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Times-Roman; font-size: 18px; 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;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">We installed a couple dozen of these batteries in 2024, closed-loop with Schneider XW or CSW. Tech support was really good through East Penn. We stopped selling mainly because they are way too high priced compared to other options, as well the BOS options are very lacking. You can buy the expensive buss bars but they expect you to just sit the batteries on top of each other? Or standing up on their end. No racking provisions, cabling not really thought though fully. Cover plates won’t fit if using 4/0 wire.<span class="Apple-converted-space"> </span><o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">Thanks for sharing about the warranty detail. Fingers crossed.<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">Kevin<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span lang="EN-US" class="">From:</span></b><span lang="EN-US" class=""><span class="Apple-converted-space"> </span>RE-wrenches <<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" class="">re-wrenches-bounces@lists.re-wrenches.org</a>><span class="Apple-converted-space"> </span><b class="">On Behalf Of<span class="Apple-converted-space"> </span></b>Bradley Bassett via RE-wrenches<br class=""><b class="">Sent:</b><span class="Apple-converted-space"> </span>June-10-25 8:21 PM<br class=""><b class="">To:</b><span class="Apple-converted-space"> </span>RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>><br class=""><b class="">Cc:</b><span class="Apple-converted-space"> </span>Bradley Bassett <<a href="mailto:bbassett2@gmail.com" class="">bbassett2@gmail.com</a>><br class=""><b class="">Subject:</b><span class="Apple-converted-space"> </span>[RE-wrenches] Deka Duration batteries<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">I've just heard that WM is using the Deka Duration batteries. At AEE we had a very good relationship with MK Battery and I brought in the Deka Duration to sell without really looking at all the potential issues first. However, I did become aware of them after looking at how to install them in detail. I'm curious how anyone does this with multiple batteries. I came up with lots of configurations trying to get around the extreme lack of wiring room in stacked batteries. I ended up doing drawings showing them stacked on their rear end on the floor 3 deep from the wall with a battery combiner on top of each 3 stack. Contact with tech support was always referred to the Italian company and every time I received a very condescending and arrogant response. Then I finally read the warranty in detail, unfortunately after selling some, and having to buy them back. Turns out that at that time (still?) the warranty excluded in entirety any system installed with an inverter that did not have closed loop comms with the battery. Also the temperature range to stay under warranty was basically room temperature only. After discovering all of these issues I decided that we would no longer carry them. I will say that I had no problem getting one to communicate with my XW+ inverter through the gateway CAN bus. The one that I ended up with has certainly worked fine, but of course is not under any warranty, and never has been since put into operation with an open communication inverter in a utility shed that gets down to 40°F.<o:p class=""></o:p></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Brad Bassett<o:p class=""></o:p></div></div></div></div><span style="font-family: Times-Roman; font-size: 18px; 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; float: none; display: inline !important;" class="">_______________________________________________</span><br style="font-family: Times-Roman; font-size: 18px; font-style: normal; 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<div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;"><br class="Apple-interchange-newline"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;"><br class=""></div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;">Blair “TUMP” May</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;">Solarwinds Northernlights east</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;">"We must all learn to live together as brothers,</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;"> or we all will perish as fools."</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;">MLK</div><div style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;" class=""><br class=""></div><br class="Apple-interchange-newline"></div></div><br class="Apple-interchange-newline" style="color: rgb(0, 0, 0); font-family: Times; font-size: 18px; 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;"><br class="Apple-interchange-newline">
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