Detailed information of 525w 530w 535w 540w 545w 550w 144 photovoltaic cells: Quick Details Birthplace: Guangdong, China Brand name: Zonergy Model number: MSD540M-144 Cell size: 182mm x 182mm Writes: PERC Panel dimensions: 1909 * 1134 * 35mm Panel efficiency: 20.80 Certificate: CE TUV Warranty: 10 YEARS Pesos: 23.9Kg / Pzs Structure: 3.2 glass + EVA film + back Cable Cross Section Size: 4.0mm, (+) 300mm / (-) 400mm Frame Material: Anodized Aluminum Alloy Connections Box: 3 * IP68 Bypass Diode Connector: MC 4 compatible connector Cell orientation: 120 pieces (6 * 10) Cell type: MONO (182 mm) Module efficiency: 20.80% Application: Commercial