I know this is a few weeks old but I have a suggestion and a few questions..
How far apart are these two structures and thus the battery banks??
If the solar is on the roof of the pump house do you use a DC pump or are you running an inverter for an AC pump??
Your best cheapest bet if these 2...
I have a 48vdc 24kw L16 battery bank and I want to add a 48vdc 20kw+ Lithium Iron battery bank to increase storage that will eventually replace the lead batteries when they become worn out in 5 or 6 years.. My options I have been considering are separating the 2 Outback charge controllers so...
Are the batteries Chinese imports?? Are they stamped UL approved and that is verified since tons of stuff from China has been getting in without real approval/inspection?? That will be what an inspector will look for along with the compliance of conductors, attachment, container, fusing, fire...