Abstract: A charging system includes: a first battery, a second battery, a switch device, a charging component, and a control component. A capacity of the second battery is smaller than that of the first battery. The switch device is disposed outside the second battery and connected to the second battery. The charging component is connected to the first battery and connected to the second battery via the switch device, and configured to output a charging current to the first battery and the second battery. The control component is connected with the first battery and the second battery, and configured to detect remaining capacity of the first battery and the second battery during a charging process and control the switch device to turn on or turn off based on the remaining capacity.

Abstract: A full current balancing method of SOC for an energy storage system is provided. DC output terminals of each battery pack are connected in parallel with a half-bridge control circuit to form a battery module, positive and negative electrodes of battery modules are successively connected in series to form a battery cluster. In operation, SOCs of the battery modules are sorted, battery modules with lower SOCs are put in operation first when charging, and the battery modules with higher SOCs are put in operation first when discharging, thereby achieving full current balancing of SOC among the battery packs in the battery cluster. After multiple battery clusters are connected in parallel to form a battery stack, current of the battery cluster with a low SOC is increased, and current of the battery cluster with a high SOC is decreased, thereby achieving balancing of SOC among the battery clusters.

Abstract: An ultra-compact power bank device implementing a microcontroller based intelligent power routing mechanism for controlling power flowing from a solar panel and a battery to a USB port of a load device. The microcontroller controls a unique combination of simultaneously performed functions. A booster circuit provides higher voltage and fixed power at the output of the power bank.

Abstract: A charging system includes: a movable body including a frame and a battery provided in the frame; and a charging station configured to charge the battery. The movable body includes: a pressure detection unit configured to detect pressure in the frame; and a charging permission signal output unit configured to output a charging permission signal indicating that the pressure in the frame is detected to be equal to or higher than a threshold pressure. The charging station includes: a charging permission signal acquisition unit configured to acquire the charging permission signal from the charging permission signal output unit; and a power transmission unit configured to execute non-contact charging of the battery when the charging permission signal is acquired by the charging permission signal acquisition unit.

Abstract: A voltage balance circuit includes a battery module connected to an external power source, a voltage dividing module, a detection module and a control module. The battery module includes a plurality of batteries connected in series. The voltage dividing module includes a plurality of bleeder resistors. Each bleeder resistor is connected with one battery in parallel. The detection module includes a plurality of thermistors, fixation resistances and micro-controllers. Each thermistor is arranged beside one bleeder resistor. Each thermistor is connected with one fixation resistance in series. Each micro-controller is connected with one thermistor and the one fixation resistance. The control module includes a plurality of switches and an analog front end component. Each switch is connected with the one bleeder resistor in series. Each switch is connected to the analog front end component, and the analog front end component is connected to the one micro-controller.

Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for identifying a battery. The method may be applied to electronic equipment. The electronic equipment may detect an electrical parameter of a cell under test in the battery of the electronic equipment. The electronic equipment may also determine a similarity between the cell under test and a preset cell according to the electrical parameter, the preset cell meeting a first preset matching relation with the electronic equipment. The electronic equipment may further determine, according to the similarity, whether the cell under test meets the first preset matching relation with the electronic equipment, acquiring a determination result.

Abstract: A battery protection circuit includes: a charging control switch connected in series to a big current path between a battery module configured with a plurality of cells connected in series and a plurality of pack terminals; a battery controller for controlling the charging control switch based on cell voltages of the cells; and a plurality of first protection circuits connected to the respective cells on the big current path, and intercepting or allowing a current flowing to the corresponding cell based on the cell voltage of the corresponding cell from among the cells, wherein the first protection circuits respectively include at least one switch connected in series between neighboring cells or between one of the cells and a first pack terminal from among the pack terminals, and a cell controller for controlling the at least one switch according to a cell voltage of the corresponding cell.

Abstract: Methods and systems for selectively connecting a plurality of battery cells in a dual-mode battery pack in series and parallel configurations and/or for individual cell monitoring. A dual-mode battery pack may generally include a housing; a first set of battery cells connected in series; and a second set of battery cells connected in series. The battery pack may also include series connection contacts selectively connectable to the first set of battery cells and to the second set of battery cells and, when engaged, connecting the first set of battery cells and the second set of battery cells in a series configuration; and parallel connection contacts selectively connectable to the first set of battery cells and the second set of battery cells and, when engaged, connecting the first set of battery cells and the second set of battery cells in a parallel configuration.

Abstract: Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer.

Abstract: The present invention relates to a method for charging an electrochemical cell of a rechargeable battery with charging pulse control (PL), the pulses (PL) being driven in voltage control mode in the form of voltage steps (Pt) of variable amplitude. According to the invention, the method consists in calculating the value (Ut+1) of each voltage step (Pt+1) with respect to the value (Ut) of the preceding voltage step (Pt) and according to a progression variable representative of the variation in the internal resistance of the cell (d(R)/dt), for a period ending on the preceding step (Pt), with respect to a predetermined tolerated variation threshold (?), where Var=d(R)/dt??. The method applies to high-voltage electric battery charging protocols for electromobility or stationary applications, or portable device batteries, for example.

Abstract: A battery management system and a battery management method are provided. The battery management system includes a temperature sampling circuit, a plurality of voltage measurement circuits, a current sampling circuit, and a microcontroller. The temperature sampling circuit is configured to obtain a temperature parameter of a plurality of battery packs. The voltage measurement circuits are configured to obtain a plurality of open circuit voltage parameters of the battery packs. The current sampling circuit is configured to obtain a current parameter of the battery packs. The microcontroller obtains a plurality of initial state-of-charge parameters of the battery packs according to the open circuit voltage parameters and the temperature parameter and respectively calculates a plurality of present battery powers of the battery packs according to the initial state-of-charge parameters, the temperature parameter, and the current parameter.

Abstract: A protection system for overcurrent protection in a battery system. The protection system can have a protection element for interrupting an electric current path in the battery system. The protection system can have an acquisition unit for determining acquisition information which is specific for an electric current of the current path. The protection system can have an electronic processing unit for performing a comparison of the acquisition information with an adaptable protection specification to detect an overcurrent condition. The electronic processing unit can be operatively connected to the protection element to activate the protection element in response to the comparison such that the interruption occurs upon positive detection of the overcurrent condition in accordance with an adjustable activating characteristic.

Abstract: A charging and storage system provides a conveyor system within a housing that conveys electronic devices through the housing to charging devices located withing the housing. Charging contacts on an adjustment arm adjust between a charging position that charges the electronic devices and a transport position that allows movement of the electronic devices through the housing without contacting the charging contacts. A charging device located at each charging location charges the device while the device is stored within the housing. The conveyor system moves the electronic devices to these fixed charging locations to charge the devices while storing the devices. The conveyor system releases the electronic devices to an exit ramp that guides the electronic devices to a release aperture for removal from the housing.

Abstract: Example implementations relate to concurrent alternating-current and direct-current. In one example, a device comprises a power module connected to a first power outlet, the power module connected to a second power outlet, and a controller to the power module to concurrently provide alternating-current (AC) power to the first power outlet and direct-current (DC) power to the second power outlet by switching a transistor including switching circuitry in response to an absence of AC input power to the device.

Abstract: A charging circuit applied to a first electronic device includes a charging interface, a charging module coupled therewith and configured to detect a connection between the charging interface and a second electronic device, and adjust a current output to the second electronic device, a reverse charging protocol module, and a control module. The reverse charging protocol module is configured to determine a reverse charging protocol matched with the charging current of the second electronic device. The control module is coupled with the charging module and the reverse charging protocol module, and configured to acquire the reverse charging protocol determined by the reverse charging protocol module in response to the connection between the charging interface and the second electronic device, and control the charging module to adjust the current output to the second electronic device based on the reverse charging protocol. The charging circuit can increase the reverse charging current.

Abstract: Various embodiments of the present technology may provide methods and apparatus for a battery system. The apparatus may provide a protection control circuit to detect undesired battery conditions and a fuel gauge circuit to confirm the detected battery condition, record the detected condition, and report the recorded conditions.

Abstract: A charger integrated circuit for charging a battery device including a first battery and a second battery includes; a first charger configured to generate a first charging current from an input voltage when the input voltage is received from an input voltage terminal, and a battery switch configured to provide the first charging current to the battery device, the battery switch comprising a plurality of transistors for connecting the first battery and the second battery in series or in parallel based on the input voltage, a first both-end voltage of the first battery and a second both-end voltage of the second battery.

Abstract: An electric vehicle charging system includes a power distributing system configured to receive power from a power control system and selectively direct the power to one of a plurality of power dispensers coupled to the power distribution system.

Abstract: A charging cable has a current sensor, a charging state indicator and logic circuitry to operate the indicator based on detected levels of current flow to a chargeable device. If the sensor detects current is below a low threshold, the logic circuitry operates the indicator to indicate that the cable is not connected to any chargeable device. If the sensor detects current at or above a higher threshold, the logic circuitry operates the indicator to provide a perceptible output indicating that the cable is connected to the chargeable device and the current is charging the battery. If the sensor detects current at or above the low threshold but below the high threshold, the logic circuitry operates the indicator to provide a perceptible output indicating that the cable is connected to a chargeable device but is not charging the battery of the device, e.g. when the battery is, or is nearly, fully charged.

Abstract: Embodiments of the present disclosure provide a charging control method, a charging control device and a device to be charged. The method includes: in a charging process, performing K constant current charging stages on a battery in the device to be charged, where K is a positive integer greater than or equal to 1; in each constant current charging stage, performing constant current charging on the battery with a preset current corresponding to the constant current charging stage until the battery is charged to a preset voltage corresponding to the constant current charging stage, wherein the preset voltage corresponding to the Kth constant current charging stage is a charging cut-off voltage greater than a rated voltage of the battery; and when the voltage of the battery reaches the charging cut-off voltage in the Kth constant current charging stage, stopping charging the battery.