SolarPairing / Works, closed loop
Fronius Symo Hybrid × BYD Battery-Box Premium HVM 8.3/11.0/13.8/16.6/19.3/22.1
Fronius documents the Symo Hybrid with BYD Battery-Box Premium HVM 8.3, 11.0, 13.8, 16.6, 19.3 and 22.1. Its instructions identify Modbus RTU for the supported third-party battery connection. The installation must meet the firmware and configuration requirements in the active Fronius manual for the exact Symo Hybrid unit.
Status
Works, closed loop
Protocol
Modbus RTU (RS485)
Last verified
2026-08-23
01 / About this pairing
Fronius documents the Symo Hybrid with BYD Battery-Box Premium HVM 8.3, 11.0, 13.8, 16.6, 19.3 and 22.1. Its instructions identify Modbus RTU for the supported third-party battery connection. The installation must meet the firmware and configuration requirements in the active Fronius manual for the exact Symo Hybrid unit.
02 / Source
https://manuals.fronius.com/html/4204260222/en.html