The disclosure relates to a wireless charging device including a cooling fan, and the wireless charging device according to an embodiment of the disclosure includes: a housing including a holding portion configured to hold an external electronic device; a first bracket positioned in the holding portion; a conductive coil disposed in the first bracket; a second bracket positioned in the holding portion and including a penetrating hole; a first cooling fan positioned in the penetrating hole; a second cooling fan positioned in the penetrating hole and spaced apart from the first cooling fan; and a partition formed in the penetrating hole to isolate the first cooling fan and the second cooling fan from each other, the penetrating hole being divided into a first area having the first cooling fan disposed therein and a second area having the second cooling fan positioned therein, at least one protrusion having a volute shape formed on at least a portion of the second bracket or at least a portion of the partition, a first opening formed on at least an area of the first bracket to allow air cooled by the first cooling fan and/or the second cooling fan to move to the holding portion, and a second opening formed on at least an area of the holding portion to allow the air transmitted from the first opening to move outside the wireless charging device.

Disclosed herein is a switch assembly electrically couplable to a rechargeable power storage device (PSD). The switch assembly includes an electrical input A, an electrical output B, and first and second conduction paths there between, passing through, and circumventing, the PSD, respectively. A positive polarity of the PSD points from A to B. The switch assembly is switchable between: (i) a state, wherein current is capable of flowing from A to B simultaneously through the first and second conduction paths but is incapable of flowing from B to A the second conduction path, (ii) a state, wherein current is capable of flowing between A and B through the second conduction path but current flow through the first conduction path is blocked, and (iii) a state, wherein current is capable of flowing between A and B through the first conduction path but current flow through the second conduction path is blocked.

The present disclosure relates to an electric vehicle charging control device and method thereof capable of changing a charging method according to the temperature of a battery mounted in an electric vehicle to maximize the efficiency of fast charging while preventing battery deterioration and accidents. The electric vehicle charging control device may be formed in the electric vehicle and include a temperature sensor configured to sense a temperature of a battery to be charged and generate temperature information, a processor, and a memory coupled to the processor. The memory may be configured to store program commands that are executable by the processor, and cause the processor to perform fast charging of the battery by using a maximum current value that maintains a temperature less than a present second threshold temperature when the temperature information is greater than or equal to a preset first threshold temperature.

A battery module includes a first set of power contacts and a first set of signal contacts. A battery pack is operable to deliver electrical power to the set of power contacts. An electronic isolation system is operable to electrically disconnect and electrically connect the battery pack and the first set of power contacts. An electronic control system is operable to obtain a comparisons between a state of charge, state of health, temperature and power of the battery module and an electrical device. A closing parameter is calculated that is based on at least one of the comparisons. The closing parameter is compared to a predefined closing parameter value to result in a connect determination. The electronic isolation system connects or disconnects the battery pack to the first set of power contacts based on a positive or a negative result respectively of the connect determination.

The present disclosure provides systems and methods for managing a temperature of a battery energy storage system (“BESS”). A method may comprise identifying operating temperature limitations of the BESS; obtaining a forecast horizon comprising a forecast of external environmental conditions for a time period; identifying a charging/discharging schedule of the BESS; simulating operation of the BESS for the time period for each of a plurality of sequences of thermal management modes according to the charging/discharging schedule and the forecast horizon, the simulating generating an energy consumption and an operating temperature forecast of for each of the plurality of sequences of thermal management modes; selecting a sequence of thermal management modes of the plurality of sequences; and operating the equipment according to the selected sequence of thermal management modes.

Provided is a battery charging system for charging an internal battery of a jump starter device, including a universal serial bus (USB) connector for receiving power from a direct-current (DC) port of a vehicle, a voltage detection circuit configured to detect a voltage of a vehicle battery, and a USB driver configured to control charging power from the USB connector to the internal battery of the jump starter device based at least in part on the detected voltage of the vehicle battery.

The present invention relates to an electrical power management device (300) capable of preventing or allowing the passage of current to a power grid (70). The present invention also relates to an electrical power management method (400). Particularly, the device (300) of the present invention is capable of performing electrical data telemetry and reporting it to a control center. The device (300) receives, from a power generation system (50), a source of alternating current through a power grid circuit (80), wherein the device (300) comprises: a control unit (10); a data transmission and reception module (20) configured to receive an external command signal; and at least one switching element (30a, 30b); the control unit (10) being adapted to actuate the at least one switching element (30a, 30b) so as to selectively open and close the power grid circuit (80) upon receipt of the external command signal to enable or prevent the passage of alternating current.

Provided is a battery management system. The battery management system includes: a battery management system (BMS) monitoring a battery, turning on/off a main relay connected to an output of the battery, and receiving power through a power switch; a sensor unit measuring a state of the battery to generate battery state information; and a controller configured to receive the battery state information from the sensor unit, detect an occurrence of a failure event of the battery based on the battery state information, control the main relay based on a maintenance time of the failure event and the number of times of the occurrence of the failure event, and provide a turn on/off command to the power switch.

A battery charging method and an electronic device are disclosed. The electronic device can comprise: a connection unit comprising a first terminal to which a voltage is applied by an external device, and a second terminal for transmitting/receiving data; a first charging unit for charging a battery connected to the electronic device by using the voltage applied to the first terminal; and a second charging unit for charging the battery by dropping the voltage applied to the first terminal according to a preset voltage drop rate. The first charging unit can comprise: a first switch connected to the first terminal; a communication unit for transmitting information through the second terminal; and a first control unit for acquiring first information on the battery voltage, controlling the communication unit such that the first information is transmitted to a charger connected to the connection unit, and controlling the first switch such that the voltage adjusted on the basis of the first information by the charger is supplied to the second charging unit through the first terminal.

An electronic device comprises a processor, a charging port, and memory that stores program code. When the program code is executed by the processor, the electronic device charges a battery of the electronic device using the charging port when a charger is connected to the charging port, stops charging in response to detecting that the charging port is abnormal, and displays a first window on a display interface of the electronic device in response to detecting that the charging port is abnormal. The first window comprises a first prompt information and a second prompt information. The first prompt information is used to prompt that liquid intake exists in the charging port, and the second prompt information is used to prompt a user to exclude a liquid intake situation of the charging port.