EC50 Control Panel Sargent The EC50 Control panel is designed to work with the EC155 Power Supply unit, via a data cable. It has the following features; 5 LED bar graph for battery voltage, battery protect automatic under and over voltage cut-off, pump control with pump active indication, Lighting circuit power control via dedicated button, easy selection between leisure and vehicle batteries. LED logic Control Panel for use with the EC155 power supply unit via a low current data link. · 5 LED bar graph for battery voltage · Battery protect automatic cut-off (both batteries) · Pump control with pump active indication · Lighting circuit power control via dedicated switch (lights are connected direct to the PSU) · Easy selection between leisure and vehicle batteries