Long-press the button for 5 seconds until the energy display area flashes. Release the button.
Connect the external power source's positive terminal to .
Long-press the button for 5 seconds until the energy display area flashes. Release the button.
Connect the external power source's positive terminal to . peacefair pzem051 manual patched
Long-press the button for 5 seconds until the energy display area flashes. Release the button.
Connect the external power source's positive terminal to .