0 Edit Close Delete Flag How often do the soles need to be charged? Edit Close Delete Flag Davy COX 5 June 2020 Unsubscribe Subscribe solesEnglish Comment Share Post comment Discard 1 Answer 0 Davy COX 5 June 2020 Best Answer – Full charging time : 2h30– Duration in use : 22h30 of continuous activity – knowing that a complete measurement takes between 2 and 4 minutes– Duration out of use : 2400 hours of non-stop sleep Comment Share Post comment Discard