... 4)CE and ROHS certification 150W Monocrystalline Solar Modules for solar system Compenents of Sloar panel :cell, ... reflection, improve the conversion efficiency of photovoltaic modules.4:Maximum system voltage greater than 4 1000VDC ... provided with bypass diode, connected by easy operation for male and female plug, safe use, convenient, ... at anytime. 150W Monocrystalline Solar Modules for solar system