My solar system will shut off if the grid shuts off. The reason is to guarantee no voltage on the lines when the technician is looking to repair. Having said t

My solar system will shut off if the grid shuts off. The reason is to guarantee no voltage on the lines when the technician is looking to repair. Having said that I have no battery, but if I did then probably it could just isolate the grid and stop feeding back when the grid shuts down and run the house off the battery.