And I realise that this is small fry to the likes of you @admin - but I am feeling rather pleased with myself this Friday evening...
Updated via the API

    KristianS Very good! It’s nice to have a poke around. 🤩

    So, is there an issue with your Giv AIO & fw combo not using the global register on your set up?

      Let me run some tests on each of the settings in the global registers and show you the inputs and outputs.
      Interesting -
      Commands:
      https://api.givenergy.cloud/v1/inverter/CH####G4##/settings/17/write?value=true&context="Via Postman by Kristian"
      https://api.givenergy.cloud/v1/inverter/CH####G4##/settings/77/write?value=85&context="Via Postman by Kristian"

      And yet this is the current state......

      So for reasons unknown. Enable AC Charge Upper % Limit is not staying as toggled to ON

      https://api.givenergy.cloud/v1/inverter/CH####G4##/settings/17/read

      Have I just found out why your setting is not having the desired effect on my system?

      KristianS It does look like when you read it through the portal it returns false even though it's true.

      Although when you then query it via the API it also returns false? Even though you've just set it to True?

      You could be onto something here. Just condense this down for Giv into the smallest reproducible example for your AIO and FW combo and let them know the details. Looks like a bug at their end for sure.

        Final screenshot of the outcome from setting the three slots via the API and the resulting actions on my AIO

        Charge / Discharge settings that were configured


        What we really want is to be able to manage the SoC via the global values, but if the Enable AC Charge Upper % Limit is not staying to True, no matter what value we set AC Charge Upper % Limit to, it will be ignored and the system will continue to charge until it is full...... ignoring the value as set by WW, which is not what I wanted it to do.
        Simple submission to GivE on its way shortly

        Hmmmm, I will wait until after I have performed the now-present firmware upgrade....

        Post Firmware update....
        https://api.givenergy.cloud/v1/inverter/CH####G###/settings/17/read gave a value of "false"
        I then ran the command:
        https://api.givenergy.cloud/v1/inverter/CH####G###/settings/17/write?value=true&context="Via Postman by Kristian"
        which returned a "true"
        reran https://api.givenergy.cloud/v1/inverter/CH####G###/settings/17/read
        and now "value": true appears sticky....

        So, on the face of it, it appears that this setting was faulty on the old firmware and has been 'fixed'.
        I will test this tonight using the global values in my invertor settings and report back tomorrow.

        Good News item!
        As per the following images, you can see that my Global and Charge Window attributes were set as the following values in the settings....
        Global Values
        ID: 66; AC Charge Enable to ON
        ID: 72; Battery Charge Power set to 2067 (W)
        ID:17; Enable AC Charge Upper % Limit to ON
        ID: 77; AC Charge Upper % Limit set to 80%
        as per...

        and
        Charge 1 Settings
        ID: 64; AC Charge 1 Start Time to 23:35
        ID: 65; AC Charge 1 End Time to 05:25
        ID:101; AC Charge 1 Upper SOC % Limit to 100%

        And this was the resulting outcome

        Result!
        I am now confident that I can switch back to WW to control not only my charging, but also limiting the SoC to the value I set in the tool.
        Testing tonight and over the next few days different values to confirm.

        So far so good...
        Request:

        Log:

        Outcome: