Reply Ionic Admin 14 December 2019 Hello, you could place precisely the same toothbrush on the 230V charger in Europe or with a 110V charger in North America and it will demand correctly. It doesn’t make any difference which charger the brush originally came with. Reply Brenda 5 August 2020 https://charger-wired-wallet43108.azzablog.com/12702859/usb-c-charger-fundamentals-explained