SMH III 6.2kW Setting the pass to the mains and back to the battery in percent

Hello. After setting the inverter to Lib for connection to the BMS, the selection of switching to the grid and returning to the battery changes from volts to percentage. How do I control this with Home Assistant?


<img width="577" height="735" alt="Image" src="https://github.com/user-attachments/assets/4c85c0fd-eacc-47ae-9737-0be87c4c6207" />