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You can try may work. My 12k inverter has 485 also on BMS port. If you don't have a BMS connected you can try that port.

Yes, it only can communicate with one, but i understand that you have 2 batteries in parallel with JK BMS. You can choose one BMS to communicate with inverter and set in the other one identical settings. Batteries will have almost same SOC while charging and discharging. If you have DIY battery...

Not the Parallel port, i have used Modbus port.

I have a Deye SUN SUN-12K-SG04LP3-EU and i have connected and running External Eastron Meter (Meter 485), JK BMS (BMS Port, i use CAN) and (ESP Home board for HA on Modbus port) each one on different port. They are working fine with no issues. On the BMS port is you can choose CAN or 485 but...

Try to build this ESP32 communication board between JK BMS and Inverter. You will have SOC, Float, Bulk voltages, charge and discharge current set in inverter by interface. Sleeper85 did a very nice project and implement useful function to the code. One function is that the bulk voltage is...

Hello, I have a Deye 12k-sg04lp3-eu plant with a DIY 15kW battery and an external Eastron Meter. All working fine form more than a month. I have observed the fallowing issue. Yesterday i recoded a value of 18.6kWh purchased power at 14:45h. At that hour power production was higher than...