: Set the master battery's DIP switches to ID 0 (or ID 1 depending on the specific BMS model) to enable software communication.
It can handle multiple BMS units simultaneously, which is critical for larger solar or off-grid storage setups. bms-tools 15-16 v 2.0.6
: Ensure your battery ID is set correctly via the physical DIP switches. For a master battery, this is often set to : Set the master battery's DIP switches to