AgatheB8431 year ago000Which battery do I need to buy separately?Show in original language (French)monopm1 year ago000 Helpful answerKärcher Battery Power 18/50 18VShow in original language (German)Commentthomasglauser1 year ago000I bought the "Kärcher Battery Power 18/50". I'm very happy with it.Show in original language (German)CommentBoardercross1 year ago000You need the charger and the battery. There is a Kärcher starter kit with different batteries, depending on which one you want, we ordered the 18/50.Show in original language (German)CommentDaDesc1 year ago000You also need a charger for the battery. The "Kärcher Starter Kit" (item number 12670806), for example, covers the battery and charger.Show in original language (French)Comment