Fits and does what he is - my Kärcher vacuum cleaners keep them alive. I do not know how to write my experience with this product in more than twenty words, without the product losing focus. Nevertheless, Amazon wants the right, I give it a whirl. Battery (not original), yellow sheath of cells soldered together, to fit in the equipment, chemical processes provide a loading and releasing tension. I can give no judgment on the taste of the material, because I will certainly not the battery anlecken. Got Milk?