[APP][Pro] Alfen - Optimal Charging, Smarter Homes: Powering Efficiency for You and the Grid

Basically that yes, but if I recall correctly I do no even have to close the Homey App (but yes that is the best way), as long as you are not in the device or sending commands in Homey to Alfen). iOS works about the same.

I’ve set loading to 100% green in Homey. And changed it back to normal in the Eve app for example.