<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Great info everyone snd it brings up more options for me to review. </div><div dir="ltr"><br></div><div dir="ltr">I’m still wondering if there are comments about Fortress saying that you cannot add a battery to a bank that is 1 year old. </div><div dir="ltr"><br></div><div dir="ltr">I just don’t understand lithium enough to know why. And most curious that no other companies I’m aware of say this. </div><div dir="ltr"><br></div><div dir="ltr">If the voltage is very similar with age and just capacity is less then that is something that can be delt with via LVD settings. Given that most batteries are 5-8000 cycles and that roughly the capacity is 80% at that point is only an about 1% capacity loss per year? That doesn’t make sense it’s an issue. </div><div dir="ltr"><br></div><div dir="ltr">If there is a change in the voltage parameters, say the upper end lowers. A few tenths lower over years is a big deal? Doesn’t seem like it. </div><div dir="ltr"><br></div><div dir="ltr">I’m not sure what would happen on the low end volts up, down? But why would it be a problem?</div><div dir="ltr"><br></div><div dir="ltr">Thx in advance </div><div dir="ltr"><br></div><div dir="ltr">Jay</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br><blockquote type="cite">On Jul 14, 2023, at 8:44 AM, White, Will via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<p class="MsoNormal">I’d also look at Victron. They can close loop communicate with several battery systems, and my sources say they’ve also got an EV charger that works with their off-grid systems that can be programmed to charge the EV when you have excess
solar. <o:p></o:p></p>
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<p class="MsoNormal">Kienan Maxfield, who’s on the list, is distributing Victron products, and he knows the technology well.
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<p class="MsoNormal"><b>From:</b> RE-wrenches <re-wrenches-bounces@lists.re-wrenches.org>
<b>On Behalf Of </b>Michael Morningstar via RE-wrenches<br>
<b>Sent:</b> Thursday, July 13, 2023 7:12 PM<br>
<b>To:</b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br>
<b>Cc:</b> Michael Morningstar <mjmorningstar@gmail.com><br>
<b>Subject:</b> [EXTERNAL] Re: [RE-wrenches] Lithium battery recommendation<o:p></o:p></p>
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<p class="MsoNormal">If they are going to spend that kind of money, ditch OB. I've never had an Outback system, going all the way back, that didn't puke prematurely and have issues. Discover AES and Schneider for the win. Once they are set up, they just work. <o:p></o:p></p>
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<p class="MsoNormal">On Thu, Jul 13, 2023 at 3:20 PM Jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Hi all<br>
<br>
I’m<br>
Looking for recommendations for a lithium battery. 48v. 150-200 kWh. <br>
System is probably going to be open comm, as the system has outback equipment. That could change but probably not.
<br>
Remote monitoring is required even though it is a site with people 24/7. <br>
<br>
So far fortress and home grid. Have been recommended to look at. <br>
Blue planet is just too expensive. <br>
<br>
And PS. Fortress says that you cannot add batteries after 1 year. This goes against everything I thought I understood about lithium.
<br>
Any comments about why they say that? <br>
Do others say rhat?<br>
<br>
Thanks in advance <br>
<br>
Jay<br>
<br>
<br>
<br>
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