Maximum power (Wp): 180W 200W Maximum power voltage (V): 44 44.8 Maximum power current (A) 4.1 4.47 Open circuit voltage (V): 48 50.3 Short circuit current (A): 5.8 5.2 Number of cells (Pcs): 91(7*13) 91(7*13) Size of module (mm): 1702*945*45 1702*945*45 Weight per piece (kg): 19 19 Length of Cables (mm): 600 900 Frame (Material, Corners, etc.): Anodized Aluminum Alloy Anodized Aluminum Alloy