[RE-wrenches] SI 5048 and replacement Lithium Ion battery bank

[Carl Adams]

Hello Wrenches,
I have a SI 5048 system installed in 2012 with Concorde PVX-4050HT AGM
battery bank.  The system has shut down a couple of times with low battery
voltage and it seems the batteries may be on their way out.  There are some
signs of seepage on a couple of these sealed batteries.  A few pictures
attached.

System owner would like to consider a Lithium Ion replacement.  SMA
provided the attached list of compatible batteries.  Can any of you provide
your experience with these batteries or others which could work for this
application?

With Kind Regards
Carl Adams
SunRock Solar
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