Press and hold the button for 3 seconds until the screen flashes.
Set the module to CC mode. The battery powers the module via the Vin terminals. As long as the battery voltage is above P1 , the relay stays closed and powers the load. If the battery drops to P1 , the relay snaps open, protecting your battery from draining to zero. Troubleshooting & FAQ The module screen is blank. What is wrong? Xh-m608 Manual
The relay on the board should be placed "in-line" with one of the wires (typically the positive) of your charger or load. Press and hold the button for 3 seconds
Because XH-M608 shares firmware with XH-M607, M609, and STC-1000-like controllers, manuals for those models can be cross-referenced. However, terminal assignments and menu codes may differ. As long as the battery voltage is above