Thomas801 year ago000Can they also be charged during operation?Show in original language (German)cblichmann1 year ago • purchased this product000purchased this product Helpful answerNo, you charge the batteries with the supplied 4x USB-C "cable whip" on a charger.Show in original language (German)Commentstephan121 year ago • purchased this product000purchased this productif the question boils down to the fact that you can leave the battery in the alarm clock, for example, while charging it via USB; yes, you canShow in original language (German)Comment