It is a replacement for any WF-8965 or Parallax 7165 converter.
^^ Output Voltage: 13. 5 VDC (normal) / 13. 1 VDC (trickle charge) / 14. 4 VDC (bulk charge) ^^
Input Voltage: 105-130 VAC/60 Hz
Output Current: 55AMP ^^ It is a converter charger from AC to DC used for travel trailers. ^^ It is a simple replacement part installing easily with only 4 screws and 5 wires.