Abstract: A charging device includes a rectifier circuit which rectifies AC power output by an AC power supply, a DC-DC converter which converts a voltage of DC power output by the rectifier circuit, a charging circuit which includes a positive electrode contact point in contact with a positive electrode terminal of a mounted secondary battery and a first negative electrode contact point and a second negative electrode contact point in contact with a negative electrode terminal of the secondary battery, an output voltage from the DC-DC converter being applied between the positive electrode contact point and the first negative electrode contact point, and a control circuit which includes a photocoupler that is turned on by a difference in potential between the positive electrode contact point and the second negative electrode contact point and outputs an enable signal for the DC-DC converter when the photocoupler is on.

Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.

Abstract: Disclosed are a battery cell self-discharge current detection method, apparatus, and device, and a computer storage medium. The method includes: controlling a constant voltage source to start charging a battery cell at a first moment, and acquiring a first rate of change of a target current over time in a first preset duration after the first moment; controlling, in the case where the first rate of change is greater than a first threshold value, a constant current source and the constant voltage source to charge the battery cell; acquiring, in the case of reaching a second moment, a second rate of change of the target current over time in a second preset duration after the second moment, wherein the second moment is a moment when the time for charging the battery cell using the constant current source and the constant voltage source reaches a third preset duration; and determining.

Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.

Abstract: The invention relates to a line set (4) for a charging station (1) for charging electrical energy stores of motor vehicles (2), comprising a charging cable (5) which, at a free end, has a connecting plug (6) for electrical connection to the motor vehicle (2), wherein the charging cable (5) has one or more electric lines (19) which are jointly covered by an electrically insulating sheath (9). The sheath (9) has at least one electric test line (11, 12) extending along the charging cable (5) and electrically insulated from the lines (19).

Abstract: A method for charging a traction battery includes obtaining a battery parameter of the traction battery that includes a state of charge and/or an open-circuit voltage, and, during a charging process of the traction battery, controlling the traction battery to discharge or stop being charged in response to the battery parameter changing by a parameter gap value. The parameter gap value is a first preset parameter gap value in a scenario in which the battery parameter of the traction battery is in a first parameter interval, and is a second preset parameter gap value in a scenario in which the battery parameter of the traction battery is in a second parameter interval. The first preset parameter gap value is greater than the second preset parameter gap value, and the battery parameter in the first parameter interval is less than the battery parameter in the second parameter interval.

Abstract: A battery management system for batteries, such as, but not limited to, electric vehicle battery packs and cells, lithium iron phosphate batteries, lead acid batteries, gel batteries, and absorbed gel mat batteries, in engine start applications is disclosed. The battery management system is configured to control the charge and charging of each cell individually. The battery management system may be configured to control the charge of a battery which may consist of a plurality of cells, such as, but not limited to, lithium iron phosphate cells, and in at least one embodiment, the battery may consist of, but is not limited to being formed from, four lithium iron phosphate cells connected in series and a battery management system to ensure proper charge and safe operation.

Abstract: Aspects relate to a system for discharging a power source of an electric aircraft. System may be configured to transfer power from the electric aircraft via a charging connection. In one or more embodiments, a charging station in electric communication with the power source may discharge the power source. For example, a controller communicatively connected to the electric aircraft may be configured to receive a supply request from a user and subsequently, generate a control signal that initiates a transfer of electrical power from the power supply to discharge the power source so that power data associated with the discharge may be collected and transmitted to the controller or a remote device of the user.

Abstract: Aspects relate to a connector for charging an electric vehicle and a method for its use. An exemplary connector includes at least a direct current conductor configured to conduct a direct current, at least an alternating current conductor, configured to conduct an alternating current, at least a computing device wherein the computer is configured to receive a measurement datum of a battery module from a communicatively connected sensor, determine an operating condition of the charging circuit; identify an error element as a function of the operating condition, and transmit the identification of the error element to a data storage system.

Abstract: A vehicle charging system comprises at least one controller and at least one arm, each arm having a first end coupled an actuator and a second end comprising a charging interface. The actuator is configured to articulate the arm into a charging position. The charging interface comprises at least one charging contact coupled to a power source and configured to engage and deliver power to a vehicle charging interface to charge at least one battery of a vehicle. The charging system can include a plurality of arms, each configured to charge a different vehicle. A method of charging one or more vehicles using the charging system is also provided.

Abstract: Rechargeable battery monitoring and control is provided using a non-linear rate-of-change failure threshold. A non-linear rate-of-change failure threshold is obtained indicative of an operational state abnormality in a rechargeable battery cell, and during the operational state of the rechargeable battery cell, a control compares an actual voltage rate-of-change of the rechargeable battery cell to the non-linear rate-of-change failure threshold. Based on the actual voltage rate-of-change of the rechargeable battery cell exceeding the non-linear rate-of-change failure threshold, the control identifies the operational state abnormality in the rechargeable battery cell. Based on identifying the operational state abnormality in the rechargeable battery cell, the control discontinues the operational state of the rechargeable battery cell.

Abstract: An adapter may be configured to connect a battery and an electrical device to each other. The adapter may include a control board; a battery-side terminal mounted on a first surface of the control board and configured to be electrically connectable to the battery; and a device-side terminal mounted on a second surface of the control board and configured to be electrically connectable to the electrical device, the second surface being opposite from the first surface.

Abstract: A secondary battery management device is communicably connected to a secondary battery unit including a secondary battery, and manages the secondary battery unit. The secondary battery management device is configured to: request the secondary battery unit to transmit a voltage and a state value of the secondary battery; receive the voltage and the state value of the secondary battery transmitted from the secondary battery unit; calculate a value of correction of the state value on the basis of the voltage and the state value which have been received; and transmit the calculated value of correction to the secondary battery unit in order to apply the calculated value of correction.

Abstract: A method for improving cycling performance of a battery includes, in a first stage, charging the battery with a first-stage current until a voltage of the battery reaches a first-stage voltage value and in a second stage, charging the battery with a second-stage current until the voltage of the battery reaches a second-stage voltage value. The second-stage voltage value is greater than the first-stage voltage value, and the second-stage current is less than the first-stage current.

Abstract: Disclosed in the present application are a battery charging method and apparatus, and a device and a medium. The method includes; collecting, at a preset time interval, battery charging state data of a rechargeable battery within each of the preset time intervals in real time; when the battery charging state data within any one of the preset time intervals is collected, using the battery charging state data within the preset time interval as a training data set, inputting the training data set to an initial neural network model for training, and during the process of training, updating a preset network parameter on the basis of the difference value between a model output value corresponding to each piece of battery charging state data and a preset threshold until difference value between model output value corresponding to present battery charging state data and the preset threshold meets a preset error condition.

Abstract: A portable power bank including a rechargeable battery may detect loss of capacity in the power bank battery. The power bank determines a nominal capacity of the power bank, and an actual capacity of the power bank, the actual capacity being less than the nominal capacity. The power bank compares the actual capacity to the nominal capacity to determine a health value of the power bank battery. When the power bank battery health value is at or below a threshold value, the power bank transmits an indication of the health value to a mobile computing device.

Abstract: A power transfer system for supplying electric power to a battery of an electric vehicle including an innovative communication architecture, which allows the implementation of advanced control functionalities to control the operation of said power transfer system.

Abstract: An adapter may be configured to connect a battery and an electrical device to each other. The adapter may include a control board; a battery-side terminal mounted on a first surface of the control board and configured to be electrically connectable to the battery; and a device-side terminal mounted on a second surface of the control board and configured to be electrically connectable to the electrical device, the second surface being opposite from the first surface.

Abstract: A charging method of a non-aqueous electrolyte secondary battery involves a first charging step in which, defining x as the ratio of the capacity of a silicon compound to the rated capacity Q(0.1?x?0.5), a battery capacity Q1st that satisfies the expression below is charged at a first fixed current value; and a high current charging step in which, after completion of the first charging step, charging is performed at a fixed current value higher than the first fixed current value. 0.38x+0.063???Q1st/Q?0.38x+0.

Abstract: A method is performed for optimizing the management of the charge of a set of electric batteries, where each battery is recharged during a time interval during which it is connected to an electricity distribution network, according to a charge profile provided by a charge aggregator, by applying, under the control of a charge manager of the battery, a charging power level. The method involves determining, on the aggregator side, as a charge profile, a distribution curve of the charge per day over a given period of time, defined for all the batteries solely according to constraints specific to the network, transmitting the charge distribution curve to each charge manager and, on the charge manager side, adapting the received charge distribution curve to the time interval during which the battery is connected to the network and to the associated charging power level.