5V/30A Relay Battery Power-off Control Module for DC Voltmeter Ammeter Battery Capacity Tester

5V/30A Relay Battery Power-off Control Module for DC Voltmeter Ammeter Battery Capacity Tester

Package List:
1 x Relay Module

Note:
1. When using a relay, 5V independent power supply must be used.
2. The relay is connected to the positive output.
3. The independent power supply cannot use the same circuit as the power supply under test.
4. If the battery is charged, the input is connected to the charger, and the output is connected to the battery, it will automatically disconnect when fully charged to protect the battery from overcharging risk.
5. The product only includes the relay module.