Thanks William,

Yes it’s AC coupled which I neglected to include.  

Given how inexpensive the new inverter gear is, the age of the old stuff and 
seemingly the complication of integration I will propose replacement of both 
inverter and battery.  

thanks

jay





> On Jul 15, 2025, at 8:44 AM, William Miller via RE-wrenches 
> <[email protected]> wrote:
> 
> If the system is AC coupled I would suggest you dump the Sunny Islands 
> immediately. 
> 
> We are soon going to wreck out 4 SIs and install 2 envy 12s. The SIs just 
> would not work AC coupled to e-vault 18s. 
> 
> 
> William Miller
> Miller Solar.com
> 805-438-5600
> www.millersolar.com <http://www.millersolar.com/>
> 
> 
> On Tue, Jul 15, 2025 at 6:43 AM jay via RE-wrenches 
> <[email protected] 
> <mailto:[email protected]>> wrote:
>> HI All,
>> 
>> I might be inheriting a 12 yr old SI off grid system, that has a dying 
>> Absolyte battery.  
>> 
>> 
>> I know there have been some discussions on the SI and lithium. 
>> 
>> I’m just trying to understand what the options are with closed vs open loop, 
>> basically can it be done.  
>> 
>> If I do get the project, I will happily pay someone who’s done all the hard 
>> work for the education to tell me what the programming steps are.  
>> 
>> And at what point does it make sense to just remove the SI and install a 
>> AIO? 
>> 
>> thanks in advance.
>> 
>> jay
>> _______________________________________________
>> List sponsored by Redwood Alliance
>> 
>> Pay optional member dues here: http://re-wrenches.org 
>> <http://re-wrenches.org/>
>> 
>> List Address: [email protected] 
>> <mailto:[email protected]>
>> 
>> Change listserver email address & settings:
>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>> 
>> There are two list archives for searching. When one doesn't work, try the 
>> other:
>> https://www.mail-archive.com/[email protected]/
>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>> 
>> List rules & etiquette:
>> http://www.re-wrenches.org/etiquette.htm
>> 
>> Check out or update participant bios:
>> http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/>
>> 
> _______________________________________________
> List sponsored by Redwood Alliance
> 
> Pay optional member dues here: http://re-wrenches.org
> 
> List Address: [email protected]
> 
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> 
> There are two list archives for searching. When one doesn't work, try the 
> other:
> https://www.mail-archive.com/[email protected]/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> 
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> 
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> 

_______________________________________________
List sponsored by Redwood Alliance

Pay optional member dues here: http://re-wrenches.org

List Address: [email protected]

Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org

There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/[email protected]/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org

List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm

Check out or update participant bios:
http://www.members.re-wrenches.org

Reply via email to