Hi Howie,
Have you looked at Fortress Power batteries? We're about to install
some and they look like a very decent battery. Google will get you the
basic info to start.
Daryl
Penobscot Solar Design
> 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.
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