For the x728 old shell script, you also run this command to remove it, then re-install the x728 script.
==FAQ==
Q: We want to automatically shut down when the battery voltage is lower than a certain specified value, is it possible?
A: Please run the 'python3 /home/pi/x728/x728v2-asd.py &' to achieve this function.(Note: 3V is default shut down voltage value )
References: