Frequency derating on Solis Mini

  • Platform information: Windows 10
    • Hardware: CPUArchitecture/RAM/storage
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I am in the UK. I bought a Solis mini 3 Kw PV inverter. I am using it on an off grid site, in conjunction with a Victron Multi plus inverter / charger.
I need to use frequency control to de rate the power from the Solis.
The Victron increases the frequency in response to battery state. This inverter does not have the option to de-rate the power in this way, but the version sold in the USA does. Can I get the US firmware and upload this to make my inverter do what I need. ?

Given that this really has nothing to do with openHAB, you are more likely to get an answer on a forum that is more directly related to Victron devices or by contacting the manufacturer.