I had thought about a completely separate system with it own inverters parallel with the one I already have or back to my original thought, that was to put in an extra CCU with few circuits that could be useful in a power outage. Lighting, a couple of socket outlets, phone, the internet, maybe...
As you know my wall is 14S made up from 18650 40P packs in parallel rows.
I have obtained a BMW i8 Hybrid battery module 16S and may be able to get some more.
I’ve added a separate 16S BMS to the module.
What are your thoughts on connecting it in parallel with my existing battery...
It’s been s manic busy time and I’ve not posted for a while.
After a few false starts over the last year or so. I’ve finally managed to get the tribune column raised.
Need to fix the guy wires and run the cabling back to the house. That should be done tomorrow evening.
For the CTs run separate CATs.
Use Orange/Orange White and Brown/Brown White twisted together for the red wire CT+ and the Green/Green White and Blue/Blue White twisted together for the Black wire CT-.