Abstract: The present disclosure provides a power supply device and a charging control method. The power supply device includes a primary conversion circuit, a secondary conversion circuit, a transformer, a feedback control circuit, and a power adjustment circuit. An input end of the feedback control circuit is coupled to both ends of an inductance element in the secondary conversion circuit. The feedback control circuit is configured to sample an output current of the power supply device based on the impedance of the inductance element to obtain a current sampling value, and to generate a feedback signal according to the current sampling value. The power adjustment circuit is coupled to an output end of the feedback control circuit, and is configured to adjust a power coupled from the primary conversion circuit to the secondary conversion circuit via the transformer according to the feedback signal.

Abstract: The emergency power device for electric vehicles is an electrochemical device. The emergency power device for electric vehicles stores chemical potential energy that readily converts into electricity for use with an electric vehicle. The emergency power device for electric vehicles forms a power reserve used to recharge a device selected from the group consisting of: a) an electric vehicle; b) a personal data device; and, c) the combination of the electric vehicle and the personal data device. The emergency power device for electric vehicles independently replenishes the stored chemical potential energy after consumption. By independent is meant that the emergency power device for electric vehicles does not require an electrical connection to an externally provided energy source such as the national electric grid. The emergency power device for electric vehicles comprises a power circuit and a housing. The housing contains the power circuit.

Abstract: Various embodiments are described that relate to a battery. A battery, such as a battery with a common input/output terminal, can be tested. Part of this testing can include charging the battery and discharging the battery. It can be dangerous to switch out an interface between charging and discharging. Therefore, a single interface can be employed that enables the battery to be charged and discarded. With this, the battery can be charged and discharged without the danger of switching the interface.

Abstract: To prevent theft and/or leakage of electricity and to distribute electricity for recharging electric vehicles, the present invention discloses methods and systems for enabling and disabling a plurality of relays at a system. The system comprises a power supply, at least one ammeter, a power supply enabler and at least one power controller. The required steps include measuring current drawn by the plurality of loads by one or more ammeters. The power controller independently enables or disables each of the plurality of relays according to the instructions received. The power supply enabler enables or disables power supply to the system substantially based on the amount of current being drawn by the system.

Abstract: A novel automobile charger which comprise a direct current voltage, wherein a positive pole of the direct current voltage is connected with one end or lead of a DC to DC module, one end of a battery voltage detection module and one end of a load module simultaneously, while a negative pole of the battery is connected with the other end of the DC to DC module, one end of a microcontroller, one end of the automobile start control module and the other end of the battery voltage detection module simultaneously. A third end of the DC to DC module is connected with the other end of the microcontroller, the other three ends of which are connected with the third end of the battery voltage detection module, the other end of the automobile start control module and one end of the load detection module respectively. The other end of the load detection module is connected with the third end of the automobile start control module and the other end of the load module simultaneously.

Abstract: Portable charging is integrated with multi-function electronic device capabilities into a single portable hub package. The hub combines several desirable consumer electronics functions together while at the same time providing a portable reliable power source that can power or charge any device while reducing the carrying weight and complexity of consumer electronics needs. Embodiments include a bi-directional battery, a variety of electrical connection interfaces, and a CPU to coordinate power charging and power distribution to connected devices. Some embodiments may further include other convenient functions including for example, wireless charging, image projection, and software application run-time for applications including media streaming.

Abstract: An electronic device is provided. The electronic device includes a receiving circuit configured to wirelessly receive power and output AC power, a rectifying circuit configured to rectify the AC power from the receiving circuit, wherein the rectifying circuit may include a first P-MOSFET configured to transfer a positive amplitude of power to an output terminal of the rectifying circuit while the AC power has the positive amplitude and to prevent transferring a negative amplitude of power to the output terminal of the rectifying circuit while the AC power has the negative amplitude, and a forward loss compensating circuit connected with the first P-MOSFET configured to reduce a threshold voltage of the first P-MOSFET while the AC power has the positive amplitude.

Abstract: Disclosed is an electronic device including a battery, a charging circuit configured to charge the battery, a measurement circuit configured to measure a state of the battery, and a processor configured to be electrically connected with the battery, the charging circuit, and the measurement circuit, to charge the battery using the charging circuit set by a first charging parameter, determine state information corresponding to a state of the battery based on data associated with the state of the battery obtained using the measurement circuit, determine a second charging parameter for reducing loss of a capacity of the battery based on the state information, and charge the battery using the charging circuit set by the second charging parameter.

Abstract: A simple battery and battery charger. In one embodiment, the battery charger includes an output terminal that provides a charging voltage Vout and charging current Iout. The battery is contained in a battery pack having an input terminal, which can be connected to the output terminal in order to receive Vout and Iout. The battery charger may include a first circuit for controlling the magnitude of Vout. The battery pack may include a second circuit that generates a control signal when the output terminal is connected to the input terminal. The first circuit is configured to control the magnitude of Vout based on the control signal.

Abstract: A method of controlling a portable device of an electrical system is provided, the device including an electrically heated aerosol-generating device configured to receive an aerosol-generating substrate, the device further including a rechargeable power supply and at least one electrical heating element, the method including: monitoring an ambient temperature adjacent the device; and providing power to the heating element from the rechargeable power supply in dependence on the ambient temperature adjacent the device, such that when the ambient temperature adjacent the device is within a pre-determined temperature range, providing power to the heating element, and such that when the ambient temperature adjacent the device is below a lower end of the pre-determined temperature range, and when the ambient temperature adjacent the device is above a higher end of the pre-determined temperature range, preventing power being supplied to the heating element.

Abstract: A server for a charge-discharge system includes a controller. The controller is configured to communicate with a plurality of registered vehicles each equipped with a chargeable-dischargeable battery. The controller is configured to acquire information on a scheduled start time of a next travel of each of the registered vehicles. The controller is configured to acquire electric power information. The controller is configured to determine, based on the scheduled travel start time and the electric power information, a target vehicle of which the battery is to be charged or discharged from among the registered vehicles that are at least parked. The controller is configured to send to the target vehicle either a charge command that orders the battery of the target vehicle to be charged or a discharge command that orders the battery of the target vehicle to be discharged.

Abstract: The present invention provides a method and a device for monitoring charge and discharge currents of a battery. The method for monitoring charge and discharge currents of a battery includes the steps of: acquiring charge and discharge currents and charge and discharge states; acquiring an alarm activation threshold, a continuous calibration time for alarm activation, an alarm clearance threshold; and a continuous calibration time for alarm clearance corresponding to the charge and discharge states; activating an alarm if the charge and discharge currents are greater than or equal to the alarm activation threshold and the time of duration exceeds the continuous calibration time for alarm activation, and clearing the alarm if the charge and discharge currents are less than the alarm clearance threshold and the time of duration exceeds the continuous calibration time for alarm clearance.

Abstract: A solar array power generation system includes a solar array electrically connected to a control system. The solar array has a plurality of solar modules, each module having at least one DC/DC converter for converting the raw panel output to an optimized high voltage, low current output. In a thither embodiment, each DC/DC converter requires a signal to enable power output of the solar modules.

Abstract: A method and battery charger for charging two or more batteries includes a pulse generator, a detector and a processor communicably coupled to the pulse generator and the detector. A charging series time period, a charging time period and a rest time period are determined based on one or more battery parameters using the processor and the detector. The charging time period is approximately equal to the charging series time period divided by the number of batteries and the rest time period is approximately equal to the charging series time period minus the charging time period. A charging pulse group having a positive pulse for the charging time period and a rest period for the rest time period is generated using the pulse generator, and sequentially applied to each of the batteries. The battery parameters are monitored and the charging pulse group may be adjusted.

Abstract: A power receiving unit includes a secondary resonant coil for receiving electric power from a primary resonant coil using magnetic resonance or electric field resonance, a secondary coil capable of changing a number of turns or a pitch of a winding for receiving the electric power from the secondary resonant coil using electromagnetic induction, a rectification circuit, and a controller. The electric power received by the secondary coil is rectified by the rectification circuit, and transmitted to a DC-DC converter for supplying the electric power to a load circuit. The controller changes the number of turns or the pitch of the winding of the secondary coil such that an input voltage of the DC-DC converter does not exceed an upper limit, based on a magnitude of the electric power received from the primary resonant coil.

Abstract: The present disclosure relates to a UPS battery aging state calculation method and system, and more specifically, to an aging state calculation method and system of a UPS battery for accurately calculating an aging state (i.e., State of Health (SOH)) of the UPS battery itself by repeatedly executing the charge and self-discharge of the UPS battery through a switch.

Abstract: Methods are presented. A rechargeable battery of an unmanned aerial vehicle is charged using an electromagnetic field of a high voltage power line and a recharging system of the unmanned aerial vehicle. The unmanned aerial vehicle is flown a specified distance from the high voltage power line during the charging.

Abstract: A method of controlling power on a low-power device and the low-power device for performing the method are provided. The method includes performing a first operation, of acquiring sensing data, using power stored in an internal battery of the low-power device, wherein the first operation consumes a first power consumption from the internal battery; and performing a second operation, with respect to the acquired sensing data, and which consumes a second power consumption, using power wirelessly transmitted from an external device located outside of the low-power device, wherein the second power consumption is greater than the first power consumption.

Abstract: An apparatus for transmitting energy and information includes at least one first electrical conductor configured to transmit a charging current of a charging system for an electric vehicle, a second electrical conductor configured as a protective conductor of the charging system, a third electrical conductor configured to transmit a control pilot signal, and a fourth electrical conductor configured to transmit a counterconductor signal. The apparatus has a transmission device, which is configured to transmit the information as a differential signal of the control pilot signal and the counterconductor signal.

Abstract: A wireless charging receiver as described herein includes a configurable rectifier configured to convert an alternating current input to a direct current output in a single processing stage, wherein the configurable rectifier comprises one or more diodes, and a controller communicatively coupled to the one or more diodes and configured to select one of a plurality of mode cycling schemes and control a present operating mode of the active diodes according to a selected mode cycling scheme. Additionally, an active diode as described herein includes a comparator, a gate driver, a power transistor, and a delay compensation circuit for compensation of at least one of a turn-on delay and a turn-off delay of the active diode, the delay compensation circuit including analog feedback loops.