GRAPE SOLAR GS-400-KIT Solar Panel Kit, 400W, Polycrystalline Brand: Grape Solar Type: Solar Panels Cell Type: Polycrystalline Solar Cell: 156mm x 104mm (6.14� x 4.40�) Number of Cells: 36 (4x9) Size/Dimensions: 1020mm x 670mm x 35mm (40.16� x 26.37� x 1.38�) Weight: 8.9 kg (19.66 lbs) Front Glass: low iron tempered glass with enhanced stiffness and impact resistance.