Pylontech does not publicly host all older versions of Battery View on their main website. The most reliable approach is:
While Pylontech often provides software through authorized distributors, you can find official versions and community-verified mirrors at the following locations: pylontech battery view 3.0.28 download
No. It is a Windows-only application. However, it runs well under Wine (version 7.0+) or in a virtual machine (VirtualBox with Windows guest). USB pass-through for the serial cable works reliably. Pylontech Battery View 3
When filing a warranty claim, Pylontech requires a “Battery Info Report.” Go to – this generates a JSON file with serial numbers, cycle counts, and alarm history. Interface looks like a 2010 VB6 project