Renogy 100 Watts 12 Volts Monocrystalline Solar Expansion Kit w/20ft Adaptor Kit Brand: Renology Solar Type: Solar Panel Kits 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 Weight: 16.5lbs (7.5 kg) Front Glass: Tempered Glass 0.13 in (3.2 mm) Frame: Anodized Aluminium Alloy