Renogy 400 Watt 12 Volt Solar Starter Kit Brand: Renology Solar Type: Solar Panel Kits Cell Type: Monocrystalline Solar Panel Kits: Off-Grid Kit Accessories: Charge Controller Solar Cell: Monocrystalline(4.92 x 4.92 in) Number of Cells: 36(4 x 9) Size/Dimensions: 47 x 21.3 x 1.4 inches