https://ladendirekt.de/elektronik/produkte/dc-9v-12v-24v-digital-voltage-control-relay-module-e6b18241
DC 9V 12V 24V Digital Voltage Control Relay Module Relay Switch Control Board Module LED Voltmeter Charging Discharge Monitor Relays 5 24V
€21.94
https://ladendirekt.de/elektronik/produkte/dc-9v-12v-24v-digital-voltage-control-relay-module-f46d8ea6
DC 9V 12V 24V Digital Voltage Control Relay Module Relay Switch Control Board Module LED Voltmeter Charging Discharge Monitor Relays 5 9V
€21.76