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

[pgiroux at mindspring.com]

Carl

 

  Oh the joy of Fla’s.  I looked at the battery list. Several are only available in Europe and some are no longer in business. Take a look at Fortress Batteries. Great LI tech, warrantee, price point, several models and a long service life ( 6000 full cycles ) in the meantime you might want to clean off the battery corrosion then wipe a light glaze of Vaseline around the entire terminal area, will keep the corrosion away. Great looking install by the way.

 

peter  

 

From: RE-wrenches <re-wrenches-bounces at lists.re-wrenches.org> On Behalf Of Carl Adams
Sent: Tuesday, January 7, 2020 2:09 PM
To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
Subject: [RE-wrenches] SI 5048 and replacement Lithium Ion battery bank

 

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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