Abstract: A method for charging an electronic device and a wireless charger having a set of transmitter coils and a plurality of magnetic field sensors are disclosed. The method may comprise measuring magnetic fields in a predetermined charging region, detecting a change in the magnetic fields, and selecting the subset of the transmitter coils associated with the one of the magnetic field sensors. The method may further comprise energising each transmitter coil in the subset of the transmitter coils to transmit a predetermined maximum power output, selecting one transmitter coil from the subset of the transmitter coils, determining a first power output of said one transmitter coil, and energising said one transmitter coil to transmit at the first power output.

Abstract: A self-adaptive protection circuit and method for double-voltage startup of a wireless charging system are provided. The method controls a double-voltage logic control module of a double-voltage starting circuit to send a signal for exiting a double-voltage mode by detecting an input voltage of a receiving terminal of the wireless charging system. By the input voltage of the receiving terminal of the wireless charging system, the double-voltage logic control module of the double-voltage starting circuit is controlled to send the signal for exiting the double-voltage mode, thus protecting the receiving terminal of the wireless charging system from the over-high input voltage in the double-voltage mode.

Abstract: A power storage system includes a plurality of storage battery units connected in series, and a plurality of bypass circuits respectively provided for the storage battery units and each configured to switch the corresponding storage battery unit between a bypass state and a connection state. Each of the storage battery units includes a plurality of storage battery modules connected in series, and each of the storage battery modules includes a plurality of storage battery cells connected in series. The storage battery modules are respectively provided with inter-cell balancing units each configured to execute cell balancing for equalizing voltages of the storage battery cells in the corresponding storage battery module, and the storage battery units are respectively provided with inter-module balancing units each configured to execute module balancing for equalizing voltages of the storage battery modules in the corresponding storage battery unit.

Abstract: A charging system for a mobile device including a charging connector, a first charging component, a second charging component, a flexible printed circuit board, a first battery, and a second battery is provided. The first charging component includes a first input terminal electrically connected to the charging connector and a first output terminal. The second charging component includes a second input terminal electrically connected to the first output terminal and a second output terminal. The flexible printed circuit board includes a first charging connecting terminal and a second charging connecting terminal. The first charging connecting terminal is electrically connected to the second output terminal, and the second charging connecting terminal is electrically connected to a ground terminal. The flexible printed circuit board electrically connects the first battery and the second battery in series between the first charging connecting terminal and the second charging connecting terminal.

Abstract: An electronic device may collect statistics on a quantity of recharging times of the battery in at least one single charging process, and/or obtain a temperature of the battery in recharging. Then, the electronic device may lower a full charge threshold and a recharge threshold based on the quantity of recharging times and/or the temperature, and control recharging by using a lowered full charge threshold and a lowered recharge threshold.

Abstract: An audio output device is provided. The audio output device includes a battery, a wireless communication circuit, and a control circuit electrically connected to the battery and the wireless communication circuit, wherein the control circuit releases a communication connection with an electronic device using the wireless communication circuit if an electrical connection between the audio output device and a power supply device is sensed, starts charging of the battery of the audio output device by using the power supplied from the power supply device, temporarily activates the wireless communication circuit if either a residual battery quantity of the audio output device or a residual battery quantity of the power supply device satisfies a designated charging condition during charging of the battery of the audio output device, and transmits information about the charging state of the audio output device or the power supply device to the electronic device.

Abstract: A charger includes a Type-A female socket, a PD charging processing unit, a non-PD charging processing unit, a data cable matching unit, and a first switching unit. The Type-A female socket includes a first communication pin. If the data cable matching unit determines, based on a matching signal transmitted via the first communication pin, that the charger is connected to a first to-be-charged device through a first data cable, and the first switching unit is connected to the first communication pin and the PD charging processing unit. If the data cable matching unit determines, based on a matching signal transmitted via the first communication pin, that the charger is connected to a second data cable or is connected to a second to-be-charged device through a data cable, the first switching unit is connected to the first communication pin and the non-PD charging processing unit.

Abstract: A power tool battery charging station (1) in the form of a mobile pod. The station/pod (1) includes a housing (2) and a plurality of compartments (3). Each compartment (3) has a lockable door (4), and a cutout (5) through which an electrical cord may be provided. Ventilation cutouts (7) may additionally be provided in the housing (2). The housing (2) incorporates a plurality of electrical outlets (6), each adapted to receive a plug of a respective power tool battery. The housing (2) additionally incorporates a circuit breaker operatively connected to the electrical outlets (6).

Abstract: A battery type determination system includes an electric circuit connected to a battery, and a battery type determination device that determines a type of the battery on the basis of a characteristic value of the electric circuit. The electric circuit includes an AC power supply having a variable frequency, and a capacitor circuit. The battery type determination device includes a resonance state detection unit that detects at least one resonance state in response to an AC signal output from the AC power supply, a resonance frequency detection unit that detects a resonance frequency in the resonance state, a resonance characteristic detection unit that uses the resonance frequency as a resonance characteristic of the battery, and a determination unit that determines whether or not the battery is of the same type as a reference battery by comparing the resonance characteristic of the battery with a reference resonance characteristic of the reference battery serving as a reference for the battery.

Abstract: A charging method and system, a charging box and Bluetooth earphones are disclosed. The charging method is applied to the charging box, and comprises: acquiring a communication data packet of Bluetooth earphones according to a preset communication frequency when the charging box is charging the Bluetooth earphones, wherein the communication data packet includes a current battery voltage of the Bluetooth earphones (S10); determining a target charging voltage according to the current battery voltage (S20); and charging the Bluetooth earphones based on the target charging voltage (S30). The charging method can realize the dynamic adjustment of the charging voltage, reduce the energy loss of the charging box during the charging process, thereby increasing the number of times that the charging box can charge the Bluetooth earphones and improving the battery life of the Bluetooth earphones.

Abstract: A wall outlet inductive charger includes a base having a receptacle portion and an inductive charging portion. A faceplate is connected to the base. A device support extends from the faceplate. A charger assembly is connected to the base and positioned between the base and the faceplate. The charger assembly includes an inductive coil.

Abstract: In aspects, techniques for detecting and discriminating foreign objects near an inductive wireless power transfer system is disclosed. The method is based on hybrid inductive and capacitive sensing. The apparatus includes a sensing system, a measurement circuit, and a controller. The sensing system senses the object based on at least one of an inductive or a capacitive effect. The sensing system includes an inductive sense element, which has an electrical characteristic that changes in a presence of the object based on the inductive effect. The sensing system further includes a capacitive sense element, which has an electrical characteristic that changes in the presence of the object based on the capacitive effect. The measurement circuit measures the electrical characteristics in the inductive and capacitive sense circuits. The controller determines the presence of the object, and discriminates between metallic and non-metallic objects based on the change in the measured electrical characteristics.

Abstract: A DC-DC converter, located between a plurality of batteries and a power conversion system, comprises a primary coil connected to a plurality of battery sources and a secondary coil connected to a load through an output switch set, wherein the primary coil may be connected to the plurality of battery sources through a plurality of input switch sets corresponding to the plurality of battery sources.

Abstract: A mobile charging station includes a charging platform, a plurality of wheels axially attached to the charging platform, a plurality of energy storage devices arranged on the platform, and one or more outlets electrically connected to one or more energy storage devices of the plurality of energy storage devices, each of the outlets is configured to provide power to a connectable device. The plurality of energy storage devices are capacitors and/or battery packs, and one or more charging cables electrically connected to the one or more outlets configured to provide power to the connectable device. A charging port configured to receive power that is output to recharge one or more of the plurality of battery packs. The mobile charging station may be arranged on a utility trailer or drive-powered vehicle.

Abstract: A charging apparatus including a device holder disposed within a cavity, wherein the device holder is pivotably attached to a base and is configured to receive a first device type and continuously charge the first device as the device holder rotates from a first position to a second position and throughout rotation from the first position to the second position. The charging apparatus may include a charging element disposed within the cavity that is configured to receive and charge a second device type.

Abstract: A charger for use with a rechargeable battery includes a housing, electrical components, a connector port, a heatsink, and thermally conductive filler material. The housing includes a battery interface slidably receiving the rechargeable battery. The electrical components are disposed in the housing. The electrical components generate heat. The connector port is electrically coupled to the electrical components. The heatsink is disposed in the housing. The heatsink includes a cavity. The thermally conductive filler material at least partially fills the cavity. The thermally conductive filler material contacts both the electrical components and the heatsink.

Abstract: A cassette shelf mechanism includes a mounting plate; a trolley equipped with rollers mounted on the mounting plate, allowing movement in an up-down direction; a rotary hinge attached to the trolley, including a lower part; a pivot hinge including an upper part connected to a shelf plate; and an extension tensioning module mounted on the mounting plate, which includes a cable connected to the trolley to facilitate the movement in the up-down direction, wherein the shelf plate is configured to unfold from a closed to an open position by rotating the upper part of the rotary hinge relative to the lower part.

Abstract: A battery powered wireless power transmitter may be used to charge a mobile device using wireless power. Such a wireless mobile device charger may include: a housing omitting any electronic ports or electrical contacts; a rechargeable battery disposed within the housing; an electronic power receiver disposed within the housing, the power receiver powered by an external source and through which the battery is wirelessly charged; and an electronic power transmitter disposed within the housing, the power transmitter powered by the battery to wirelessly transmit electrical power.

Abstract: A battery pack charger includes a housing, a plurality of battery receptacles supported by the housing each configured to receive a battery pack, a plurality of output power supplies, a plurality of charging circuits configured to transmit power from one of the plurality of output power supplies to one or more of the plurality of battery receptacles, a plurality of switches included in the plurality of charging circuits, and a controller. The controller is operable to receive signals from charging circuits that are indicative of battery packs being received by each of the battery receptacles, control the plurality of switches to one of a first position or a second position based on the input, and provide one of a first output power and a second output power to each of the battery pack receptacles.

Abstract: A data line and a charging device are provided. The data line includes a Type-A interface, a first interface, a wire, and a circuit identification module. The Type-A interface is correspondingly connected to a VBUS pin, a D+ pin, a D? pin, and a GND pin in the first interface. The circuit identification module includes a pull-up resistor, a switch circuit, a filter circuit, and a comparator circuit. The comparator circuit controls the first end and the second end or the third end of the switch circuit to be connected.