Abstract: A robot contains a battery module which has a battery and a battery manager managing the battery. The battery manager is configured to set the battery module into a deep sleep mode upon receiving a sleep signal and to terminate the deep sleep mode upon receiving a wake-up signal. The robot is configured to generate the wake-up signal without the use of energy from the battery. A robot arrangement contains the robot and a charging station for the robot which has a counter-interface for providing the electrical energy. The robot can be coupled to the charging station such that the interface can be supplied with the electrical energy from the counter-interface. In a method for operating a robot or the robot arrangement, the wake-up signal is generated without the use of energy from the battery.

Abstract: A method controls a charging or discharging current of a removable battery pack and/or an electrical device, in particular a charging device, a diagnostic device or an electrical consumer, using a first monitoring unit integrated in the removable battery pack and a further monitoring unit integrated in the electrical device. The method includes monitoring a defined control potential of a signal or data contact between the removable battery pack and the electrical device using the further monitoring unit.

Abstract: The disclosure relates to a protective device for an electronic component connected to an electrical interface, comprising: a detection device for detecting electrical voltage and/or electrical current at the electronic component; a monitoring device; an electronic switch connected in series with the electronic component for disconnecting the electronic component from the electrical interface in the event that an impermissibly high electrical voltage is applied at the electronic component, wherein at least double the nominal voltage is identified as an impermissibly high electrical voltage, wherein in the event that an impermissibly high electrical voltage is no longer detected at the electronic component, the electronic component can be connected to the interface by means of the electronic switch.

Abstract: A battery device, which has a battery cell unit and at least one induction interface and, in at least one reception operating state, is configured to receive electrical energy by induction for charging the battery cell unit. The battery device includes at least one electrical load, which is activate-able above a defined state of charge of the battery cell unit.

Abstract: A method controls a charging or discharging current of a removable battery pack and/or an electrical device, in particular a charging device, a diagnostic device or an electrical consumer, using a first monitoring unit integrated in the removable battery pack and a further monitoring unit integrated in the electrical device. The method includes monitoring a defined control potential of a signal or data contact between the removable battery pack and the electrical device using the further monitoring unit.

Abstract: A method detects electrical fault states of at least one energy storage cell of a removable battery pack using a first monitoring unit integrated in the removable battery pack and at least two temperature sensors integrated in the removable battery pack. In an electrical device, in particular a charging device, a diagnostic device or an electrical consumer, that can be electrically connected to the removable battery pack, a measured temperature of a first of the at least two temperature sensors is evaluated by a further monitoring unit of the electrical device and, essentially simultaneously, another measured temperature of a second of the at least two temperature sensors is evaluated by the first monitoring unit of the removable battery pack.

Abstract: A battery pack having a specified number of battery cells connected to one another and having a monitoring unit, in particular of the type of an SCM circuit, for the individual battery cells. The monitoring unit has a passive input circuit, and is designed to recognize various electrical faults within the passive input circuit using a time measuring unit allocated to the monitoring unit, in particular on the basis of a measurement of rise times of a voltage.

Abstract: A handheld tool carrying case includes at least one interior structuring unit having at least one interior structuring element, which is provided to delimit at least one inductive charge receiving region for at least one handheld tool battery. The interior structuring unit is configured to be combinable in a modular manner.

Abstract: A method is described for an inductive transmission of energy, in particular for charging an energy storage device, in which an induction unit transmits at least one synchronizing signal. It is provided that, in a synchronizing step, at least one signal characteristic of the synchronizing signal is set.

Abstract: A battery device, which has a battery cell unit and at least one inductive charging unit for charging the battery cell unit; the inductive charging unit including at least one inductive charging coil having at least one base winding. The inductive charging coil has at least one secondary winding, whose winding axis runs at least substantially perpendicularly to a winding axis of the base winding.

Abstract: A battery device, which has a battery cell unit and at least one induction interface and, in at least one reception operating state, is configured to receive electrical energy by induction for charging the battery cell unit. The battery device includes at least one electrical load, which is activate-able above a defined state of charge of the battery cell unit.

Abstract: A user interface device, in particular, for a handheld power tool, including at least one input unit, which is intended for at least inputting at least one mechanically processible and/or processed information item, and/or including at least one output unit, which is intended at least for outputting a mechanically processible and/or processed information item. The user interface device has at least one power transmission unit, which is intended for wirelessly transmitting power of at least a separate energy storage unit and/or for operating a separate, electrically operable device.

Abstract: A device for operating a charging unit that is connected/is connectable to a supply network and to a rechargeable energy store. A control unit and at least one sensor connected to the control unit are provided, the control unit being connected to a control input of the charging unit to switch on the charging unit as a function of a measured value of the at least one sensor for charging the energy store, or to switch it off for interrupting an electrical connection between the supply network and the energy store.

Abstract: A method is provided for a wireless, in particular inductive, energy transmission from an energy transmission device to a consumer, and in at least one method task, an interruption of the energy transmission from the energy transmission device to the consumer takes place in conjunction with a foreign object detection. The method provides that a cycle time of the method, and/or a duration and/or frequency of the foreign object detection is/are adapted in at least one method task as a function of a characteristic energy transmission variable of the wireless energy transmission.

Abstract: A method for operating an inductive charging device, in which a foreign object detection is carried out in at least one method step. It is provided that in at least one method step, the foreign object detection is carried out as a function of at least one characteristic power transmission variable.

Abstract: The invention relates to an inductive charging device for charging at least one battery, in particular at least one portable power tool battery, with a charging unit provided for transferring electrical energy to the at least one battery, and with a detector unit provided for detecting a removal of the at least one battery during a charging process. It is proposed that the detector unit includes at least one sensor provided for monitoring at least a resonance voltage and/or at least a resonance current of the charging unit.

Abstract: An induction charging device and a method for inductively transmitting energy to an induction rechargeable battery device, with at least one primary oscillating circuit that includes at least one charging coil, and with a control/regulation unit for controlling the primary oscillating circuit with an inverter circuit. An excitation frequency of an output signal of the inverter circuit made up of half-waves essentially corresponds to a resonant frequency of the primary oscillating circuit. The induction charging device provides that, for reducing a charging current, the control/regulation unit, after an end-of-charge voltage of the induction rechargeable battery device is reached, controls the inverter circuit so that the output signal periodically sets at least one first half-wave to a high value, and an odd plurality of successive half-waves is then immediately set to a value that is low compared to the high value.

Abstract: A hand-held power tool system encompassing a hand-held power tool, a rechargeable battery pack, a charging device, a temperature sensor, an interface for electrically and/or mechanically coupling the charging device to the rechargeable battery pack to be charged, and a control unit for controlling the charging process. The system includes a heater for heating the charging device and/or the rechargeable battery pack, and the control unit being configured for receiving a temperature signal of a temperature sensor. The temperature signal represents a temperature of the charging device and/or of the rechargeable battery pack and/or of rechargeable battery cells in the rechargeable battery pack. The control unit compare the transmitted temperature to a predefined threshold value and heats the charging device and/or the rechargeable battery pack before the start of the charging process using the heater when the temperature transmitted via the temperature signal is below the predefined threshold value.

Abstract: A transmitter for wireless energy transmission includes: a transmission device for generating an alternating magnetic field, a determination device for providing a signal which indicates an object in the area of the transmission device, and a control device for limiting the strength of the alternating field on at least three different levels based on the signal.

Abstract: A method for foreign object detection for an induction charging device is described, including an oscillator circuit, in particular, for a hand-held power tool, a resonance frequency and an associated actual quality of the oscillator circuit being detected and the actual quality is subsequently compared to a setpoint quality as a function of the resonance frequency and a decision is made about the presence of a foreign object based on a defined setpoint quality range. The method provides that an internal temperature of induction charging device is detected, in particular, during the wireless energy transmission, and the actual quality is multiplied by a correction factor based on the internal temperature. Also, an induction charging device is described that includes an oscillator circuit and a control and regulating unit, as well as at least one temperature sensor for carrying out the method.