@petrockblog Well, right now it is only my assumption that the power supply in combination with the powerstrip and other power supplies causes the problem. If you are interested in further investigations, I can send back the problematic PowerBlocks, or I could do a few simple measurements. Being a beta tester would be fine, I am used to work with hardware/software in development status. However, it depends on the timeframe as I have have an eye on an alternative solution. But if we talk about one, two, three months, I would be glad in acting as beta tester.

@jonnykesh you are right. I am an idiot. And i set that every time i set up a pi so i should have remembered that.