Model:

68*68 solar drop plate controller parts (lead not soldered, screw not screwed)

86*86 solar drop plate controller parts (lead not welded, screw not screwed)

86*86 solar laminate controller parts (leads are not soldered, screws are not screwed)

68*68 solar drop plate controller (lead welding, screw screw)

86*86 solar drop plate controller (lead welding, screw screw)

86*86 solar laminate controller (lead welding, screw screw)