... ) 1.87Number of cells (Pcs) 36pcs(156*39)Size of module (mm) 788×345×28mmMaximum system voltage (VDC)600VTemperature coefficients of ... (kg) 3.2Length of Cables (mm) 900mmCell Efficiency (%) >14.0%Module Efficiency (%) >11.2%Output tolerance (%) +/-5%Frame (Material, Corners, etc ... feel free to contact us. Polycrystalline solar panels,Solar cell module, solar cell chip for 30w