Groups of 4 would be 4 12v batteries wired in series to satisfy 48 volts then wire 3 groups of 4 (12 total batteries) in parallel
Nope nor state we'll I guess there is one rule. You have to have a lockout or other system in place to prevent back feeding the grid in a grid outage.
The well pump in 220v 3/4 HP with a starting surge of 3000 w and sustained at 1540 watts. It runs 2.5-3 hours a day on a pressure tank system. The freezers total 426 watts. I get you don't like the brands and you are probably correct about the voltage. I am very cost constrained and have to...
I am completely new to this forum and solar, but I do have a technical background (computer science) and have been a home owner for a long time. So I have done many home electrical repairs and projects. While I am not an expert I do have some experience with home wiring.
I am working on...