In the top-left connection settings, select the matching .

To protect your battery hardware and your computer from malware, avoid downloading BatteryView from unverified third-party file-sharing websites. Official Download Methods

Pylontech batteries have a dedicated "Console" port (either an RJ-11 or RJ-45 connector) that uses the RS232 communication protocol. Your computer (which likely lacks a serial port) needs to be connected to this console port.

If you want to proceed with diagnosing your system, let me know:

Here is the long story regarding the update, why so many people are looking for it, and the specific situation surrounding this software.

Official and community-verified downloads for BatteryView 3.0.28 can be found at: Official Pylontech Download Center : Check the Pylontech Global Service Page for the latest versions and technical manuals. Power Forum Community