Wechselakku

摘要

The invention relates to an interchangeable battery for a battery-operated electric tool with a contact arrangement (4) which, in order to charge the battery cell or cells by means of a charger having open counter-contacts, has at least a first freely accessible contact area (34, 24, 56) per contact (20) by means of which the battery can be connected to the counter-contact of the charger; the interchangeable battery is constructed according to the invention in such a way that it can also be charged by means of a charger with a screened contact region in that either the contacts (20) of the battery are contact pins or blades (22) which can be inserted into a contact region (44) screened as far as a closely restricted aperture (46, 62) of a charger with screened counter-contacts (40) or the contacts (54) of the battery have a region (58) screened by a wall (60) which has such a wall thickness that the contacts (54) with the entire wall (60) can be inserted into the screened contact region (62) of said charger.