Abstract: USB charger apparatus and chargeable electronic devices are presented in which the device and charger use USB cable data lines to establish a bidirectional communications connection, and the charger provides charger capability information to a master controller of the electronic device via the communications connection. The device controller preferentially selects a fastest charging match between the charger capability information and device charging capability information, and sends configuration information through the communications connection to set the power supply level of the charger. The charger communicates power supply status information to the electronic device, and the device can reconfigure the charger power supply level accordingly.

Abstract: Methods, systems, and devices for protecting a wireless power transfer system. One aspect features a sensor network for a wireless power transfer system. The sensor network includes a differential voltage sensing circuit and a current sensing circuit. The differential voltage sensing circuit is arranged within a wireless power transfer system to measure a rate of change of a voltage difference between portions of an impedance matching network and generate a first signal representing the rate of change of the voltage difference. The current sensing circuit is coupled to the differential voltage sensing circuit and configured to calculate, based on the first signal, a current through a resonator coil coupled to the wireless power transfer system.

Abstract: A vehicle connection device of a vehicle battery charging system has a vehicle contact unit including a base with a contacting area in which at least one first contact electrode, at least one second contact electrode and at least one third contact electrode are provided. The vehicle connection device is moveable towards the ground contact unit in a contact direction (RK) and an aligning actuator of the vehicle connection device is connected to the base in such a way that it can rotate the base about an axis of rotation that runs substantially in the contact direction (RK). Moreover, a ground contact unit, an automatic vehicle coupling system as well as a method for automatically, conductively connecting a vehicle contact unit to a ground contact unit.

Abstract: An approach to control or monitoring of battery operation makes use of an artificial neural network (ANN), which receives one or more battery attributes for a Lithium ion (Li-ion) battery, and determines, based on the received one or more battery attributes, a state-of-charge (SOC) and/or a state-of-health (SOH) estimate for the Li-ion battery. The ANN includes at least one of a recurrent neural network (RNN) and a convolutional neural network (CNN), and the series of values of the battery attributes includes at one of battery voltage values, battery current values, and battery temperature values.

Abstract: Disclosed are an automobile, and a power battery pack equalization method and device, the method comprises the following steps: acquiring a high voltage inflection point of the charging curve of a battery cell of the power battery pack and acquiring the capacity of the battery cell according to the high voltage inflection point of the battery cell, and equalizing the battery cell according to the capacity of the battery cell. Hence, equalization management of the power battery pack can be realized, thereby improving the use ratio of the power battery pack and prolonging the service life of the power battery pack.

Abstract: Electric aircraft charging system including charging cable configured to carry electricity and energy source, wherein the energy source is electrically connected to the charging cable. The system also including a cable reel module, the cable reel module including a reel, wherein the reel is rotatably mounted to the cable reel module, wherein the reel is configured to rotate in a forward direction and a reverse direction, and the charging cable, in a stowed configuration, is wound around the reel. The cable reel module further including a rotation mechanism configured to rotate the reel in reverse, and a cable reel module door having a closed position and an open position, wherein the closed position prevents access to the reel and the open position allows access to the reel. The system additionally including a controller communicatively connected to the rotation mechanism and configured to send a retraction signal to the rotation mechanism.

Abstract: Rechargeable battery systems and rechargeable battery system operational methods are described. According to one aspect, a rechargeable battery system includes a plurality of rechargeable battery cells coupled between a plurality of terminals and charge shuttling circuitry configured to couple with and shuttle electrical energy between individual ones of the rechargeable battery cells, and wherein the charge shuttling circuitry is configured to receive the electrical energy from one of the rechargeable battery cells at a first voltage and to provide the electrical energy to another of the rechargeable battery cells at a second voltage greater than the first voltage.

Abstract: An electronic device includes a first battery, a second battery, a power management integrated circuit, a memory, and a processor. The memory is configured to store information on a first full-charging voltage value of the first battery and a second full-charging voltage value of the second battery. The processor is configured to detect whether the electronic device is connected to an external electronic device for supplying power to the first battery or the second battery. When the first full-charging voltage value is higher than the second full-charging voltage value the processor is configured to, electrically connect the first battery to the power management integrated circuit and electrically disconnect the second battery from the power management integrated circuit. The processor is further configured to charge the first battery electrically connected to the power management integrated circuit based on power obtained from the external electronic device.

Abstract: The present invention provides an electronic device and an accessory with quick charging and audio transmission functions. The electronic device can be respectively connected to a charger and an audio connector through the accessory. The electronic device includes a quick charging controller and a device Type-C female socket. The quick charging controller is used for performing quick charging protocol communication by utilizing the SBU pins of the device Type-C female socket and the D+ pin and the D? pin of a charger connected to the accessory when the accessory is connected to the device Type-C female socket and the charger is connected to the accessory. The present invention breaks through the usual thought of using the CC pin to perform quick charging protocol communication in the existing quick charging mode. Further, when the accessory with the audio transmission function is used, the quick charging can also be performed.

Abstract: A power storage system of the present technology includes a battery board configured to accommodate a secondary battery, a branch board, a first frame on which the battery board is placed, a second frame on which the branch board is placed, and a plurality of connection wirings that are disposed in the first frame and the second frame and connects the battery board and the branch board. The plurality of connection wirings are aggregated in the second frame.

Abstract: A fast charging system for electrically driven vehicles and a method for forming an electrically conductive connection between a vehicle and a stationary charging station, the fast charging system having a contact device, a charging contact device and a positioning device, said contact device or said charging contact device being disposeable on a vehicle, said charging contact device being electrically contacted using the contact device when in a contact position, said contact device being positioned in a longitudinal and/or transverse direction with respect to the charging contact device as well as being moved to the contact position by means of the positioning device, said charging contact device comprising a charging-contact-element carrier having charging contact elements, said charging contact elements each forming a strip-shaped charging contact surface, said contact device comprising a contact element carrier having contact elements, said contact elements each forming a contact surface which is smaller

Abstract: A combination charging cable and hair tie assembly includes an elastic band that is comprised of a resiliently stretchable material for stretching around a user's hair in the manner of a hair tie. A plurality of conductors is each of the conductors is woven into the elastic band to elongate and shorten when the elastic band is stretched and released. A first charge plug is coupled to the elastic band to engage a charge port on an electronic device. A second charge plug is coupled to the elastic band and the second charge plug is matable to the first charge plug such that the elastic band forms a closed loop to serve as a hair tie. Additionally, the second charge plug can engage a charge port on an electronic device.

Abstract: A system includes a battery having a battery controller and a container including a plurality of receptacles, each receptacle being shaped to receive the battery. The system also includes a charging device including a plurality of charging bays, wherein each charging bay is shaped to receive a respective receptacle of the plurality of receptacles. Each charging bay includes a first antenna configured to provide charging power to the battery, a second antenna configured to communicate with the battery controller, and a charger controller. The charger controller is configured to detect a presence of the battery within a receptacle associated with a charging bay, establish communication with the battery using the second antenna while the first antenna is deactivated, pair the battery to the charging device, activate the first antenna after the battery is paired, and provide charging power to the battery using the first antenna.

Abstract: According to a management method in an embodiment, in charging of a battery in each of a constant current mode and a constant power mode, it is determined that the battery is unusable based on a voltage of the battery dropping by a voltage threshold value or more from a starting time of dropping without increasing again to a voltage value at the starting time of dropping. In the management method, in charging of the battery in a constant voltage mode, it is determined that the battery is unusable based on a current supplied to the battery increasing by a current threshold value or more from a starting time of increasing without dropping again to a current value at the starting time of increasing.

Abstract: A power supply unit for an aerosol generation device includes: a power supply configured to supply power to a heater configured to heat an aerosol source; a step-up system configured to function by a stepped-up voltage supplied from the power supply; a step-down system configured to function by a stepped-down voltage supplied from the power supply; and a direct-coupling system configured to function by a voltage supplied from the power supply.

Abstract: A car charger interface, adapted for connection with a car charger socket, is connected to an electronic device or portable charger unit and movable between an extended condition for use and a retracted condition for storage. The interface has a generally flat shape when not in use and can be unfolded to a shape adapted for complementary connection with the car charger socket for use. The interface comprises a first portion and a second portion movable relative to one another between folded and unfolded conditions. The second portion may comprise wings pivotally connected along the first portion for pivoting to an unfolded position projecting from the first portion to form a generally X-shaped adapter body. Alternately, the second portion may be positioned at the longitudinal end of the first portion and connected thereto via a pivot point at the central longitudinal axis thereof for pivotal movement.

Abstract: A method of charging an electric vehicle includes receiving data indicative of the power source system voltage during charging, determining a maximum voltage limit of the power source, and setting the maximum voltage limit as the limiting voltage of the power source. The maximum voltage limit may be the maximum permissible value of the system voltage during the charging.

Abstract: Provided is a technology capable of protecting a charge/discharge control circuit and a battery device from a reverse connection state without a separately provided protection circuit. The charge/discharge control circuit to be contained in a battery device including a secondary cell, an external positive terminal and an external negative terminal, and FETs which control charging and discharging of the secondary cell, respectively, includes: VDD and VSS terminals; a charge control terminal; a discharge control terminal; a voltage detection terminal to which a voltage applied to the external positive terminal is supplied; an NMOS transistor communicates the discharge control terminal and the voltage detection terminal; and a bipolar transistor having a collector to be connected to a drain of the NMOS transistor, an emitter to be connected to a source of the NMOS transistor, and a base to be connected to a bulk of the NMOS transistor and the VSS terminal.

Abstract: An electronic device includes a charging unit that charges a battery with power supplied from an external device, and a control unit that controls a communication unit of the electronic device such that a communication interval from a start of charging the battery by the charging unit until a battery voltage exceeds a predetermined threshold is shorter than a communication interval after the battery voltage exceeds the predetermined threshold, in a case where power is received from the external device.

Abstract: This disclosure provides a battery management process and system including a battery including one or more batteries, a powered battery charging system connected to each of the one or more batteries to provide charge or charge balancing power to the one or more batteries, one or more battery sensors configured to monitor each batteries, a battery monitoring unit comprising a processor and memory in communication with the one or more battery sensors, the battery monitoring unit configured to initiate and conduct a charging or balancing process and monitor the battery for an out of tolerance condition, wherein if during charging or balancing an out of tolerance condition occurs in one or more batteries the battery monitoring unit interrupts the charging or balancing, process of the batteries by disconnecting the batteries with the out of tolerance condition from the charging system, the battery monitoring unit provides an alert to an operator to separately interrupt the charging or balancing process to the batt