Roof solar electric system

The utility model discloses a roof solar electric system, it includes solar cell panel, switch, stabiliser and battery, wherein solar cell panel comprises the crystal silicon battery piece of at least one, install on this solar cell panel the terminal box the terminal box side is connected with the photovoltaic private cable, the photovoltaic private cable comprises first cable and second cable, be equipped with the fixing base on the second cable, the fixing base is adorned admittedly on the panel. Each other through first cable and the 2nd cable junction between the solar cell panel, through the battery to the room in of the second cable transmission on the panel, reduced the complicated of cable and connected at last, the fixing base is installed on the panel while and can be fixed on the roof, is equipped with the vacancy among them and fixes the second cable, and structural stability is strong.