This series of solar panels consists of 72pcs, 156mm*156mm poly-crystalline silicon solar cells which are in high efficiency, This series of solar panels consists of 72pcs, 156mm*156mm poly-crystalline silicon solar cells which are in high efficiency, As professional manufacturer, you're welcome contant Miss Killy Sun for details and quotation.STCSNS(230)pMaximum power (Pmax)230WVoltage at Pmax ( ...