Finnish Safety and Chemicals Agency has prohibited sales of couple of Ecoflow models as dangerous. They don't fulfil european safety regulation regarding primary / secondary shielding for transformer parts + output earth is not connected to input earth. Neither is problem when charging with solar, but tells that makers don't know European safety regulation. I can't tell if they are ok by Swiss regulation. Here in Swedish, which is probably more readable / translatable for german speakers: https://vaarallisettuotteet.fi/ilmoitukset/ilmoitus/89d4bc4b-57db-4fb7-b1b3-7815efe7bbbd