Abstract: A hand tool module having an interconnection device, which has an interface. The interconnection device has, in addition to the interface, at least one auxiliary interface, which is provided to bidirectionally exchange at least power at least with one additional hand tool module and/or a hand tool.

Abstract: A handheld tool battery charging unit, e.g., for a handheld machine tool battery, has at least one battery accommodation region and at least one detachable battery contact unit provided to be connected to at least one battery pack, as well as at least one charging connection element provided for receiving energy transmitted in a wireless manner.

Abstract: An energy storage pack for an electric power tool comprising a housing for reception of a plurality of cell blocks having electrochemical storage cells, as well as electrical pole terminals to which poles of the cell blocks are electrically connectable. At least one pole terminal is embodied as a subassembly that encompasses two electrically separated contacts.

Abstract: An electric device has an electric unit having a receiving region, a power supply unit received by the receiving region of the electric unit in a receiving direction, contact units for making an electrical connection between the power supply unit and said electric unit, unit for counteracting a motion of the contact units, which is movable relative to the electric unit in the receiving direction, relative to the power supply unit located on the receiving region, and within a region intended for the motion.

Abstract: A power supply module for interchangeable attachment to an electric tool has a module housing, which receives a battery and an introduction dome, formed integrally onto the module housing, for guiding the tool, on which dome there is an electrical interface with the electric power tool and at least one form-locking element for making a form lock with the tool housing is located.

Abstract: In a rechargeable battery (20) having a plurality of rechargeable battery cells (21, 22, 23, 24), wherein at least one rechargeable battery cell (21) is connected to an electronic component (40), which is associated with the rechargeable battery (20), via an electrical line (50), the electrical line (50) has at least one contact element (55) which is electrically conductively connected to the at least one rechargeable battery cell (21) by means of an electrically conductive adhesive (60).

Abstract: In an electric machine tool having an interface (14) via which the electric machine tool can be mechanically and electrically connected to a battery pack (20), a coupling apparatus (30) is provided, which can be mechanically and electrically connected to the electric machine tool via the interface (14), wherein the coupling apparatus (30) has at least one first battery interface (40) for connection to a first battery pack (60) and at least one second battery interface (50) for connection to a second battery pack.

Abstract: An electric device has an electric unit having a receiving region, a power supply unit received by the receiving region of the electric unit in a receiving direction, contact units for making an electrical connection between the power supply unit and said electric unit, unit for counteracting a motion of the contact units, which is movable relative to the electric unit in the receiving direction, relative to the power supply unit located on the receiving region, and within a region intended for the motion.

Abstract: A battery pack for locking with a power tool with at least one movable locking bar has at least a front recess and a rear recess located after the front recess in the direction of a relative motion between the battery pack and the power tool, the recesses are configured as detent grooves, and the recesses are differently shaped and are offset transversely to the direction of motion; and a power tool locks with the battery pack.

Abstract: An electric device has an electric unit having a receiving region, a power supply unit received by the receiving region of the electric unit in a receiving direction, contact units for making an electrical connection between the power supply unit and said electric unit, unit for counteracting a motion of the contact units, which is movable relative to the electric unit in the receiving direction, relative to the power supply unit located on the receiving region, and within a region intended for the motion.

Abstract: In a battery pack for an electrical device having a base body, a locking unit for locking the base body to the electrical device, and at least one battery cell, the battery pack has a fastening module, which is intended for securing the locking unit to the battery cell.

Abstract: A battery pack with a device for locking said battery pack to a cordless power tool has a guide configured to guide the battery pack in a predetermined movement direction as it moves between a locking position in which it is locked to the cordless power tool and a removal position in which it is removed from the cordless power tool, the guide has a break in at least one location between the locking position and removal position, and at said location a force acting on the battery pack moves the battery pack into a safety position offset from the guide, in which the battery pack is prevented from moving further along the guide into the removal position.

Abstract: The invention relates to a system having an electrical device, particularly a hand-held electrical tool, and at least one accumulator equipped with a coding comprising at least one electrical conductor, for supplying the electrical device with electrical energy, and having an identification mechanism interacting with the coding, which includes an electrical controller. The controller is configured to enable the operation of the electrical device along with the accumulator only if the coding identifies the accumulator as being approved for the electrical device. The invention proposes that the identification mechanism includes at least two electrical contacts that may be connected to each other in an electrically conductive manner by the electrical conductor of a coding identifying the accumulator as approved for the electrical device.

Abstract: The invention describes a battery pack for an electrical appliance, in particular for a handheld machine tool, having mechanical coding elements for interaction with corresponding coding elements on an electrical appliance. The coding elements are arranged in relation to one another with respect to a first axis in the insertion direction, a second axis transverse to the insertion direction, and a third axis transverse to the insertion direction and transverse to the second axis in such a way that they form a three-dimensional coding system.

Abstract: The invention describes a battery pack having a housing and at least one battery cell. According to the invention, also provided are elements which compensates for tolerance variations of the battery cell(s). The tolerance compensation elements include at least one spreading element which is arranged in an intermediate space between at least two battery cells and/or between one battery cell and the housing.

Abstract: The invention relates to a rechargeable battery for handheld, electromechanical tools, with a plurality of rechargeable battery cells, which are electrically connected to one another by means of electrical cell connectors. At least one cell connector has an electrical insulation, and an electronic component such as a set of accumulator-protecting electronics or a sensor, is provided on or in the electrical insulation.

Abstract: The invention relates to a rechargeable battery (1) for hand-guided electromechanical tools, having a plurality of rechargeable battery cells (10) which are electrically connected to one another by means of electrical cell connectors (110), wherein the cell connectors (110) are fixed to a cell connector frame (120), which is provided on one pole side (19) of the rechargeable battery cells (10), for the purpose of simplified mounting of the cell connectors (110) on the rechargeable battery cells (10). The invention also relates to an electromechanical tool, in particular a cordless screwdriver, a drill, a circular saw, a jigsaw, a sander, a garden appliance, having a rechargeable battery (1) according to the invention.

Abstract: The invention relates to a rechargeable power supply device for supplying power to an electrical appliance. The rechargeable power supply device is provided with at least one chip on which data for identification of the power supply device can be stored, and can be read by the electrical appliance and/or by a charger.

Abstract: The present invention relates to a method, with which an electric power tool is operated, which comprises a drive motor, a drive unit as well as a tool, the tool being operated by means of the drive unit and the drive motor. Said tool can be operated in at least two operating modes, said operating modes varying due to the properties of the drive motor and/or the drive unit. The setting of at least one of the two operating modes occurs automatically. The present invention furthermore relates to an electric power tool, which particularly can be operated with the one method according to the invention, having a drive motor, a drive unit as well as a tool, said tool being operable in at least two operating modes by means of the drive unit and the drive motor. The operating modes vary due to the properties of the drive motor and/or the drive unit.

Abstract: A battery pack having at least one battery with two electrical contacts in which a parallel circuit comprising a first and a second resistor is arranged between a first contact and a first pole, the first resistor switches off at a first temperature, the second resistor switches off at a second temperature, the first temperature is higher than the second temperature, and the first resistor has a higher current carrying capability than the second resistor.