Yes, I have the same problem. Although there seem to be more reliable values for the charge status of the individual batteries, I was only able to produce 650 Wh today - yet the capacity of the four batteries went from 55% to 100% at 3,900 Wh - that can't be right. When discharging in the evening, the charge level suddenly dropped from 85% to below 40%. There must be an error in the software. Or does everything need to be recalibrated?