CellType N-type Mono-crystalline No. of cells 144 (72X2) Dimensions 2278 1134x30 mm Weight 31.0 kg Front Glass 2.0 mm, Anti-reflection Coating Back Glass 2.0 mm,Heat Strengthened Glass Frame Anodized Aluminium Alloy Junction Box IP68 Rated Protection Class Class IEC Fire Type class C Connector Type JKO3M/MC4/Others 4.0 mm² Output Cables (+):400 mm,():200 mm or Customized Length