Abstract: A battery management system may include a battery. The battery management system may further include a central charging station configured to: provide power to charge the battery, and output an alert to a user of the battery in response to the battery not being returned to the central charging station within a predetermined time after being removed.

Abstract: A mobile power supply device includes a housing; a cell and a circuit board that are arranged in the housing; and a data line. One end of the data line is electrically connected to the circuit board and is fixedly connected to the housing. The housing has at least one flat surface. The data line is suitable for being flexibly bent and is at least partially embedded in the flat surface in a U-shape or an S-shape. The mobile power supply device with the structural design is convenient to use and carry.

Abstract: A method for establishing a wireless communication system in a high-voltage power converter station is provided. The high-voltage power converter station includes a plurality of power devices. The wireless communication system includes a plurality of wireless communication devices, some of which are associated with a power device such that a power device and a wireless communication device together form a wireless power electronic module. The high-voltage power converter station further comprises at least one wireless networking device for providing a communication interface between the plurality of wireless communication devices and a controller configured to control the power devices.

Abstract: Device (1) for moving a connector (3) of an electric vehicle charger, comprising: an actuated mechanism, for moving an actuator attachment point (2) for the suspension of the connector (3), a connector attachment point (27), for the connector (3), the connector (3) provided with one end (4) adapted for electrical and mechanical connection with a socket of an electric vehicle, by movement in a plug-in direction (D); a suspension, coupled to the actuator attachment point (2), and carrying the connector attachment point (27), wherein the suspension carries the connector attachment point (27) in a preferred orientation, from which the connector (3) is movable, in particular compliantly movable relative to the actuator attachment point (2) under application of a force exerted on the connector attachment point (27), wherein the connector attachment point (27) is at least rotatable about an axis of rotation at an angle not parallel and preferably perpendicular to the plug-in direction wherein the axis of rotation in

Abstract: A battery system includes battery cells to store electrical energy and to output electrical power. The battery system further includes a housing, a shunt, a control board, and a connector assembly. The housing includes a cavity that the shunt is disposed in and is in direct contact with, where the cavity facilitates dissipating torsional force exerted on the shunt. The control board is disposed within the housing and includes sensing circuitry to determine an operational parameter of the battery cells and control circuitry to facilitate controlling operation of the battery cells based on the operational parameter. The connector assembly electrically couples the shunt to the sensing circuitry via a spacing connector and a securing connector. The spacing connector is disposed between the control board and an inner surface of the housing while the securing connector extends through the shunt to couple to the spacing connector through the housing.

Abstract: A charging system for electric vehicles includes a line interphase transformer, LIT-based rectifier configured for connecting an input of the LIT-based rectifier to an AC medium-voltage power signal and for outputting a medium-voltage DC-signal; a modular DC/AC converter with large step-down gain is configured for transforming the medium-voltage DC-signal into a medium-voltage HF-AC-signal; and a medium-frequency transformer, MFT, is configured for transforming the medium-voltage HF-AC-signal into a low-voltage HF-AC-signal for the at least one charging box.

Abstract: A compact includes a lower portion, an upper portion, a first mirror, a battery, a circuit, and a coil. The upper portion is movably coupled to the lower portion by a hinge such that the upper portion rotates about the hinge to transition from a closed state to an open state. The first mirror is disposed in the lower portion such that the first mirror is visible when the upper portion is in the open state. The battery is disposed within the lower portion. The circuit is electrically coupled to the battery. The coil is disposed within the upper portion and electrically coupled to the circuit such that the coil produces an oscillating magnetic field when electric power is provided to the coil by the battery and through the circuit.

Abstract: A battery data management method for use in a battery data management system including an electric vehicle and a plurality of authentication servers each including a distributed ledger includes: obtaining, by the electric vehicle, first sensor information about a battery attached to the electric vehicle; generating, by the electric vehicle, first transaction data including the ID of the battery and the first sensor information; obtaining the first transaction data by one authentication server included in the plurality of authentication servers; and recording a block including the first transaction data into the distributed ledger by the one authentication server.

Abstract: Described herein are techniques and mechanisms for modules in a battery stack to provide backup power to their neighbor modules thereby permitting the neighboring cell to activate bypass switches, which can effectively remove a module's associated battery cells from the charge/discharge loop and permit the battery to continue safe operations. This mechanism can be a cost-effective technique of providing backup power.

Abstract: An electrical converter may include AC terminals, a first and second DC terminal, and converter modules. Each of the converter modules has an AC node. The second DC terminal forms a common node of the converter modules. A connection between the AC nodes of the converter modules and the AC terminals is reconfigurable allowing the electrical converter to operate according to a first mode of operation converting between a first AC signal having a first plurality of phase voltages and the DC signal, in which the converter modules are grouped in first groups, and according to a second mode of operation converting between a second AC signal having a single-phase voltage and the DC signal, in which the converter modules are rearranged in second groups. The electrical converter is configured to operate multiple converter modules assigned to a same group of the first groups and the second groups in parallel.

Abstract: Systems, devices, computer-implemented methods, and/or computer program products that can facilitate an intelligent battery cell are addressed. In one example, a device can comprise: active battery cell material; and an internal circuit coupled to the active battery cell material and comprising: a circuit board; two alternating current (AC) power points; two isolated direct current (DC) power points; and a controller that can operate one or more switches on an H-bridge circuit to disconnect the device from a main battery in a bypass mode. In another example, a smart cell modulator can comprise: a set of smart battery cells; and a controller that can operate to selectively engage a subset of the smart battery cells to enable load sharing, distributed feedback control, circulate load across one or more smart battery cells of the set of smart battery cells to increase torque, and to enable speed requests.

Abstract: A wearable charger assembly includes a housing that has a charging element extending away from the housing. The housing is wearable on a wrist of a user thereby facilitating the charging element to be slid beneath an electronic device is worn on the user's wrist. A charging unit is integrated into the housing and the charging unit is in electrical communication with the charging element. The charging element is in communication with the electronic device when the charging element is slid beneath the electronic device thereby facilitating the charging unit to recharge the electronic device. In this way the charging unit can recharge the electronic device without requiring the user to remove the electronic device from their wrist.

Abstract: A battery system including a number of first battery modules each including a number of battery cells, and a number of second battery modules each including a number of battery cells. Each second battery module includes a power electronics unit having a DC/DC converter. The first and second battery modules are connected in series. The first battery modules are connected directly in series and the second battery modules are connected via their power electronics units.

Abstract: A generator module includes a battery, a charging circuit, an electric power outlet, and an enclosure. The charging circuit is coupled to an output of a generator and configured to charge the battery. The electric power outlet is configured to provide an output from the battery, the generator, or a combination of the battery and the generator. The enclosure includes the battery, the charging circuit, and the electric power outlet such that the enclosure detachable from the generator.

Abstract: A battery management system, method, and computer program for mitigating a battery condition, according to a multi-level mitigation system and based on the severity of the battery condition, is provided. An example battery management system may include a battery with a battery housing defining an interior battery compartment, one or more battery cells disposed within the interior battery compartment, and one or more internal sensing elements attached to the battery housing within the interior battery compartment. The battery management system may further include a controller in electrical communication with the one or more internal sensing elements. In addition, the controller of the battery management system may select between a plurality of mitigating actions based at least in part on a battery condition. The plurality of mitigating actions available to the controller may include at least a non-destructive mitigating action and a destructive mitigating action.

Abstract: Described herein is an electric vehicle charging arrangement for charging an electric vehicle. The electric vehicle charging arrangement includes: an electric vehicle charger configured for providing a direct current (DC) to the electric vehicle, a power cabinet configured for providing a DC to the electric vehicle charger, and a direct current bus arranged between the power cabinet and the electric vehicle charger and configured to transport the DC from the power cabinet to the electric vehicle charger, where a capacitive filter is installed on the DC bus and in the electric vehicle charger.

Abstract: A power adapter for an automotive vehicle maintenance device includes a power input connection and a power output connection the is configured to connect to the automotive vehicle maintenance device. The pawer adapter also included connection circuitry the is configured to connect the power input connection to the power output connection.

Abstract: Embodiments that provide advanced charging of energy source arrangements for energy storage applications are disclosed. The embodiments can be used within energy storage systems having a cascaded arrangement of converter modules. The embodiments can include the application of pulses to an energy source of each module of the system. The pulses can be applied for a duration sufficient to initiate an electrochemical reaction. Feedback based pulse control embodiments are also disclosed.

Abstract: An apparatus includes a first and a second earbud and a case. The case is configured to provide an enclosure for the first and the second earbud and detect an insertion of either of the first earbud or the second earbud in the enclosure by using detection of a current provided to at least one of the first earbud and the second earbud.

Abstract: This application provides a frequency locking method, a wireless charging system, a receiving device, and a transmitting device for determining, through interaction between the receiving device and the transmitting device in a wireless charging scenario, whether a frequency locking procedure can be performed between the transmitting device and the receiving device. The receiving device includes: a controller, configured to control short-circuiting of an input terminal of a rectifier; a transceiver, configured to transmit a frequency locking request to the transmitting device, where the frequency locking request carries information about a first preset range, and the frequency locking request requests the transmitting device to generate an emission current whose frequency is within the first preset range; a receiving module, configured to obtain an input current of the rectifier based on the emission current; and a detector, configured to detect a frequency of the input current.