An off-grid system is designed for the power needs of mid- to large-size homes. Unlike grid-tied solar systems, off-grid systems have no connection to the utility grid, and must make all the electricity necessary to power your home.Inverters: 1.5 kw. 3 kw5 kw7.5 kw10 kw – singlephase 10 kw – 3 phase Charge ControllerBatteriesSolar PanelTopkapi inverters View Data Sheet View Data Sheet : 1.8 kw7 kw9 kw Canadian Solar : 455 w Longi Solar : 540w Datasheets