Thank you very much for pointing this out. I will be happy to pass this on to the relevant department!
I took the liberty of crediting the purchase amount to your account, as it's not your fault and it was our mistake. :)
The item is offered by us and by a third-party retailer through us. The price is determined by the third party retailer and for this reason we cannot influence it.
Hi Stefan, the Braun Series 7 is battery operated. I use mine every day and have to charge it about every 14 days, it lasts a long time and the device shows the charge level. Best regards Marc