Thanks Dave. Do you need an add-on to get the interface from the AES to the Conext gateway? Have you used Iron Edison's lithium offering? Is there a comprehensible reason for the significant price differential between the 2? Do you know where the IronEdison are manufactured? Howie
On Fri, May 3, 2019 at 4:53 PM Dave Angelini Offgrid Solar < offgridso...@sti.net> wrote: > Hi Howie, > > The largest I have seen/worked on is the AES with (17) 6.6 KWH batteries. > I can tell you it works fine with an XW system. > > Even though it looks like AES uses the conext battery monitor, it really > does not and you do not have to buy one. Because AES was from xantrex > employees, Schneider lets them use the xanbus data to simulate a battery > monitor. See attachment for what it looks like on the conext gateway. The > Iron Edison is nice also but you would need the shunt and battery monitor. > > *Dave Angelini Offgrid Solar > "we go where powerlines don't" > http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/> > e-mail offgridso...@sti.net <offgridso...@sti.net> > text 209 813 0060* > > On Fri, 3 May 2019 15:45:28 -0400, Howie Michaelson < > howie.michael...@gmail.com> wrote: > > Hi Folks, > About to spec my first Lithium battery backup job. The client is not a > heavy user, but wants things done right more than being totally cost > effective. > We put in 14kW of net metered solar using SolarEdge and now he wants the > backup component. This was significantly oversized for his use, but he > wanted to be sure he was putting a bunch more back into the grid than he > was using (making up for past profligate power usage). We will be using a > dual stacked XW 6848, mostly for enough backfeed capacity (we could wire in > a transfer switch and only use 1 XW, but he'd prefer this setup instead). > I have narrowed down my choice for batteries to either: > > - (2) Iron Edison 200 amp hour batteries, or > - (3) Discover AES 130 amp hour batteries > > Advantages for the AES are that they integrate directly with the Schneider > Xanbus network so the Conext battery monitor provides direct insight into > the SOC and SOH of the batteries, and they have a slightly higher rated > cycle life so higher lifetime energy capacity. > > Advantages of the IronEdison are they come in a larger amp hour size > allowing for only needing 2 vs. 3 batteries, they have an integrated fuse > and disconnect, and from my sources are 1/3 less in price. > > If anyone has any thoughts on any of this, or corrections to my > comparison, I'd greatly appreciate it. > > -- > > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > >
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