Renogy 100 Watts 12 Volts Polycrystalline Solar Expansion Kit w/20ft Adaptor Kit Brand: Renology Solar Type: Solar Panel Kits Solar Cell: Polycrystalline (6.10 x 4.09 in) Number of Cells: 36 (4 x 9) Size/Dimensions: 40.5 x 26.7 x 1.4 inches Weight: 16.5 lbs (7.5 kg) Front Glass: Tempered Glass 0.13 in (3.2 mm) Frame: Anodized Aluminium Alloy