"The high efficiency Sunforce 300 Watt Solar Kit includes two 150 Watt crystalline solar panels with a 30 Amp digital charge controller, 300 Watt inverter with USB, wiring, voltage tester and mounting brackets. Ideal for use with RVs, homes, boats, as a remote or backup power source, for 12V battery charging, pumps, lighting equipment and a variety of other applications. 25-year limited warranty on solar panels, 1-year limited warranty on charge controller and inverter. Material Aluminum, crystalline solar cells, Panel Type Crystalline, Battery Included No, Battery Type 12V, Panels qty. 2, Watts 300, Dimensions L x W in. 58.75 x 26.5 x 1.6 panel. Bypass diode minimizes the power drop caused by clouds or shade Two 58.75in.L x 26.5in.W x 1.6in.D weatherproof panels feature an aluminum frame for superior durability and extended outdoor use Easy-to-install system is maintenance free Includes mounting brackets"