Have the same setup, i use solar assistant for mine, solar assistant support both pip11max and jk-bms, and you can interface directly to homeassistant by mqqt.
I have something simular with mpp 8k max's only 2 so far but planned for 3 eventually. Are you using solar assistant ? If you do then you can just use 2 usb cables into your pi and get all the data from the invertors, which can then be reshared via mqtt and used in homeassistant etc. I'm on grid, so use that as back up.
did you ditch those round cells which had great lifecycles, I've forgotten what they are called. Also that one cell on battery back looks really out of balance, is there a balancer in that battery?
I still have my LTO bank, but at the moment I haven't gotten back to playing with it, the BMS in these 3 coloured 48v banks are a JK BMS 2a active balancer, when the cells get close to fully charge the volts move very fast, they are still within about 40mV, they never get close to 3.65v, I am collecting data on the MPP solar inverters by MQTT using some hardware and software from a GitHub site github.com/softwarecrash/Solar2MQTT
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How nice it is going to be after all is done, I love ❤️ it. Great work done.
Nice work! Interesting to see how things are done around the world.
Have the same setup, i use solar assistant for mine, solar assistant support both pip11max and jk-bms, and you can interface directly to homeassistant by mqqt.
Amazing Ross!
Thanks Chris
I have something simular with mpp 8k max's only 2 so far but planned for 3 eventually. Are you using solar assistant ? If you do then you can just use 2 usb cables into your pi and get all the data from the invertors, which can then be reshared via mqtt and used in homeassistant etc. I'm on grid, so use that as back up.
did you ditch those round cells which had great lifecycles, I've forgotten what they are called. Also that one cell on battery back looks really out of balance, is there a balancer in that battery?
I still have my LTO bank, but at the moment I haven't gotten back to playing with it, the BMS in these 3 coloured 48v banks are a JK BMS 2a active balancer, when the cells get close to fully charge the volts move very fast, they are still within about 40mV, they never get close to 3.65v, I am collecting data on the MPP solar inverters by MQTT using some hardware and software from a GitHub site github.com/softwarecrash/Solar2MQTT
Can you explain how and what data you pull from inverter thru esp8266?
I used a made up device that I got from GitHub. github.com/softwarecrash/Solar2MQTT?tab=readme-ov-file
Did you set your battery LIB in inverter?
No I haven't set anything, I have found that there is no listings of the setting for each type of MPP Solar battery settings until you change them.