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Hi, I have a Growatt SPH3000 and have exactly the same issue. My firmware version is RAAA219806. Which Version do you have?

Yes, i have this option. You have to use Battery Monitor V2.1.9. See attached picture from the Manual

I have soldered the needed mosfet together with the fuse to my 10E. Everything else is already prepared in hw and sw. Just needed to enable it and set temp boundaries

It has norhing to do with the adapter. You have to use the „save all“ Button on the top left.

@edibg, great results! I have tried to emulate the ARK using my CAN Adapter and it turned out that the SPH is detecting the battery (showing a battery symbol) when it sees at least the frames 311,313 and 320. 311 is the charging limits (current. voltage) and 313 is the actual battery...