FireFox621 year ago000Can I change the battery for my Oral-B iO Series 6 + Sensitive myself and what kind of battery should I use?Show in original language (German)ernst.frutiger1 year ago • purchased this product000purchased this productNo, this is not intended. As the toothbrush must be waterproof and electric shocks must be avoidedShow in original language (German)Commentmaxone721 year ago • purchased this product000purchased this productOfficially you are not allowed. Electric toothbrush is sealed. However, you can find various information about this on the internet. Unfortunately, I cannot judge whether they are helpful. Show in original language (German)CommentAnonymous1 year ago • purchased this product000purchased this productHi, if you're a bit of a handyman. It's not a problem. Show in original language (French)Comment