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MONOCRYSTALLINE SOLAR CELLS Model: MAC-M156 Size (MM): 156 Efficiency: up to 17.5 Pourcent Refine Solar's monocrystalline solar cells (MAC-M156) are 10 Pourcent more powerful than ordinary multicrystalline solar cells. MECHANICAL DIMENSION Efficiency: up to 17.5 Pourcent Dimension: 156mm×156mm±0.5mm Thickness: 200±20µm Diagonal: 200mm Front(-): 1.5mm bus bars (silver), Blue anti-reflecting coating (silicon nitride) Back(+): 3mm wide soldering pads (silver) Back surface field (aluminium) TEMPERATURE COEFFICIEN Power: - 0.470 Pourcent/k Current: + 0.036 Pourcent/k Voltage: - 0.346 Pourcent/k