I'm not, if not a noob, not good at coding, so i asked OpenAI what route to take best. Initially i went the modbus route but since Pylontech doesn't give the modbusdata to any stranger trough NDA i tried to make one trough the online API, a bit like the SEMS+ Portal does from JanJaapKostelijk.
I made a first try from the available data. I was amazed just from how much sensors are monitored trough the API. (even more trough modbus, about 500+ datapoints)
I'm not a whiz-kid when it comes to coding, but i made a nice overall plugin for you guys to try, IF you have a Pylontech Force X3H battery installed at home.
A global ress account is required via https://global-ress.pylontech.com.cn/login to monitor the Domoticz plugin.
Feel free to try and maybe modify to your own preferences. Since i have the plugin to work only trough the Force H3X system, no updates are pushed unless i have troubles trough my own system.
info you can find on https://github.com/Jeweettoch13/Pylontech-Domoticz
Only the PV-output data is not corresponding with any actual data (static), so thats a minor.
Tested on a FH3X-15K-3P-EU system, Synology DSM 7.0-41890, latest Docker, Domoticz 2026.4
Cheerz
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