This series of products from 6B-2B,6T-2T for thin film PV system includes ground power station distributed power station,BIPV confluence,can be arranged according to the actual power station series and parallel array,can be freely matched from the confluence box series products,so as to solve the connection between thin film PV modules from series and parallel to the confluence box or inverter.Save the traditional wiring site cable waste and labor costs,series of converging box products all use their own external diode,better heat dissipation,more convenient maintenance.