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4) Discharge relay wiring instructions
Note: The working power supply of the relay is provided by an external power supply.
If the relay is connected, an external power supply with the same working voltage as
the relay should be provided. Connect the control port of the relay to the discharge
controller interface. If you want to control the positive pole of the discharge, pass the
positive line through the relay. If you want to control the negative pole of the
discharge, connect the negative line to the relay. When the relay is connected, the
"OUT" light It will light up and will go out as a reminder when disconnected.
