I’ve made an integration for the pylontech force h3x battery as there wasn’t one yet. It connects directly to you battery inverter over the local network via modbus tcp (so no cloud).
You can read all your pv, battery and inverter sensors. You can also control your charge / discharge settings and make automations with them!
here is the rep:
https://github.com/wietse108/HA-pylontech-force-H3X