Abstract: A battery connector, including a flexible circuit including a first set of electrical circuitry connecting to a plurality of energy storage cells, where the first set of electrical circuitry terminates at a first connection point at the battery connector; a controller including components to control the energy storage cells connected to a second set of electrical circuitry terminating at a second connection point at the battery connector; where the first connection point and the second connection point are electrically connected.

Abstract: A mobile discharging device for an energy storage device of an electric vehicle and to a method for operating the device.

Abstract: A vehicle with a hybrid drivetrain including a fuel-fed engine coupled to a first drive axle, an electric motor coupled to a second drive axle and an APU for providing electrical power at stopover locations, and further including a controller for determining a location of the vehicle, a location of a stopover location, determining a target SOC of a battery for operating the APU at the stopover location and operating a hybrid control system to provide the target SOC for the vehicle at the stopover location.

Abstract: The present invention relates to an equalization circuit, a charging device, and an energy storage device connected between a battery pack and a charger. The battery pack comprises a plurality of cells connected in series. The equalization circuit comprises: a detection module used for detecting a voltage, temperature, and/or current of each cell; an auxiliary charging module used for providing a second charging current to the battery pack, wherein the second charging current is less than a first charging current provided by the charger to the battery pack; and a control module used for controlling the detection module and the auxiliary charging module.

Abstract: In some examples, a circuit comprises a first polyfuse and a first diode having a first diode anode and a first diode cathode, where the first diode anode is coupled to the first polyfuse. The circuit comprises a second polyfuse coupled to the first polyfuse and a second diode having a second diode anode and a second diode cathode, where the second diode cathode is coupled to the second polyfuse. The circuit comprises a probe pad coupled to the first diode cathode and the second diode anode.

Abstract: A system for it inhibiting the excessive discharge of a battery in an electronic device, in some embodiments, comprises: a battery to supply power to the electronic device; and a fuel gauge coupled to the battery to monitor said power, wherein the fuel gauge enters a standby mode upon determining that a voltage supplied by the battery is at or below a voltage threshold and that a capacity of the battery is at or below a capacity threshold.

Abstract: A battery module includes a first load terminal, a second load terminal, a first charger terminal, a charger enable terminal, and a battery having a first battery terminal coupled to the first load terminal and a second terminal coupled to the second load terminal. A first isolation device is coupled between the first load terminal and the first charger terminal and has an enable terminal coupled to the charger enable terminal. A first protection circuit includes a second isolation device coupled between the second battery terminal and the second load terminal and a first sensing circuit configured to enable the second isolation device responsive to detecting a failure of the first isolation device.

Abstract: An electronic apparatus including a Universal Serial Bus (USB) Type-C™ connector includes a connection detection unit configured to detect a connection of a power source connected to the electronic apparatus via the USB Type-C connector, a power supply control unit configured to receive a supply of power from the connected power source, a communication control unit configured to communicate with the power source via a Configuration Channel (CC) terminal, an information acquisition unit configured to acquire a remaining capacity of the power source using the communication control unit every predetermined time, and a control unit configured to, in a case where a difference between a first remaining capacity acquired by the information acquisition unit and a second remaining capacity acquired after the first remaining capacity is acquired is greater than or equal to a predetermined amount, give a user notification.

Abstract: A battery assembly includes a battery pack configured to supply energy to a load having a required energy, a housing enclosing the battery pack therein, a converter configured to convert an internal energy of the battery pack, and a controller configured to adjust a parameter of the converter based on information received from the load via a communication interface such that the converter converts the internal energy to the energy required by the load, wherein the converted internal energy is supplied to the load as the supplied energy.

Abstract: Systems and methods for mitigating a thermal impact on a vehicle cabin caused by a battery thermal-management system, include determining a status of vehicle climate control system; determining whether a battery thermal-management system of the vehicle is operating above a determined threshold; and if the vehicle climate control system is active and the battery thermal-management system of the vehicle is operating above the determined threshold, adjusting at least one of a plurality of cabin temperature control parameters to mitigate a thermal impact of the battery thermal-management system on a rear portion of the vehicle cabin.

Abstract: A characteristic, such as State Of Health (SOH) or State Of Charge (SOC), is estimated for an Energy Storage System (ESS) by supplying a pre-determined signal to the ESS, measuring a response signal output by the ESS, and obtaining an impedance spectrum of the ESS. In one example, the ESS is one of several electrochemical battery packs of an electric vehicle. The pre-determined signal is a current signal generated by a switching power converter that transfers charge from the battery pack to other battery packs or transfers charge from the other battery packs onto the battery pack. The pre-determined signal is generated without disrupting any load supplied by the battery packs. The battery pack outputs a voltage signal in response to receiving the pre-determined current signal. A processor obtains an impedance spectrum using the current and voltage signals, and thereby obtains an SOH and SOC estimate of the battery.

Abstract: A power supply control system controls a redundant power supply system that includes a first power supply system and a second power supply system connected in parallel to a power supply unit. The first power supply system includes a first power supply and a first system. The second power supply system includes a second power supply and a second system. The power supply control system includes a first switch that is a MOSFET provided between the power supply unit and the first power supply, a second switch that is a MOSFET provided between the power supply unit and the second power supply, a wiring configured to supply a dark current flowing from the first power supply to the second system, a first relay of a normally-on type provided on the wiring, and a second relay of a normally-off type provided between the second power supply and the second switch.

Abstract: A control circuit module and a control method thereof are provided. The method includes enabling a first discharge circuit by a controller, instructing a first battery cell of a battery module to operate in a ship mode, and disabling the first discharge circuit.

Abstract: A system for assessing health of a cell group within a module of a battery pack includes a controller having a processor and tangible, non-transitory memory on which instructions are recorded. One or more sensors are configured to obtain a series of respective average cell group voltages at different stages. The controller is adapted to obtain a measured voltage (VM) of the cell group at a calibration event occurring after the third stage. The controller is adapted to calculate a predicted voltage (VP) of the cell group based in part on a sum of a disparity factor (?V) and a third stage cell group voltage (V3). The cell group is controlled based at least partially on a difference between the measured voltage (VM) and the predicted voltage (VP).

Abstract: An inhalation component generation device including: a load configured to vaporize or atomize an inhalation component source by electric power from an electric power source; a user interface; and circuitry configured to obtain a value representing a remaining amount of the electric power source, obtain an operation requesting signal to the load, and generate an instruction for operating the load; cause the user interface to perform a first notification in a case that the value is equal to or greater than a first threshold value; cause the user interface to perform a second notification in a case that the value is less than the first threshold value and equal to or greater than a second threshold value that is less than the first threshold value; and cause the user interface to perform a third notification in a case that the value is less than the second threshold value.

Abstract: An electronic switch has a first semiconductor switch arranged between a first source-side terminal and a first consumer-side terminal first, and a switch embodied as a thyristor and arranged between the first consumer-side terminal and a second source-side terminal. The switch is configured to generate a thermal overload from a short-circuit current produced when the switch closes. The thermal overload causes the first semiconductor switch to irreversibly transition into an open state due to a modification inside the first semiconductor switch caused by the thermal overload. This improves the switching behavior of the electronic switch in the event of a fault. Furthermore, an electrical network with at least one electronic switch connected to an energy source and a method for operating such an electronic switch or such an electrical network is also described.

Abstract: An apparatus according to one embodiment includes a positive and a negative electrode terminals; modules each including an assembled battery and a CMU, the assembled battery including cells, the CMU to detect a voltage and a temperature of the assembled battery; a main circuit for electrical connection between terminals of the modules and the positive and negative electrode terminals; a BMU to receive information about the voltage and the temperature from the respective CMU; a supply circuit to convert DC power from the main circuit and supply the converted power to the BMU; a breaker for interrupting the main circuit; and a circuit to block a current flowing through the main circuit in a direction of charging the modules, in response to a stop of a control signal from the BMU.

Abstract: Various embodiments of the present disclosure provide techniques and mechanisms for improving user convenience by displaying the state of a battery of an image forming apparatus in more detail. In a case where the state of the battery is an abnormal state in which the battery is not chargeable, the image forming apparatus displays information indicating that the battery is in the abnormal state and information about a remaining capacity of the battery.

Abstract: The disclosed subject matter relates to a method and system for detecting failures in a cell measuring circuit for a vehicle battery including a plurality of battery cells. First the method includes determining a cell voltage of each of the plurality of cells by the respective cell measuring circuit. Next, the method includes performing cell balancing to balance a cell voltage for the plurality of cells and the cell balancing times are compared to determine if there are deviating cell balancing times, and if there is an identifiable pattern in the cell balancing times which can provide an indication of a failure in any of the cell measuring circuits.

Abstract: A wireless charging receiver includes a controller configured to determine that a first overvoltage threshold is met and based thereon enable a first switch to couple an output of a rectifier to electrical ground through a first resistor, to determine that a second overvoltage threshold is met and based thereon enable receive resonant circuit switches to short circuit a receive resonant circuit, to determine that a hysteresis threshold is met and based thereon disable the receive resonant circuit switches to open circuit the receive resonant circuit, and to determine that a hysteresis cycle threshold is met and that the receive resonant circuit switches are disabled and based thereon enable the second switch to couple the second resistor to the electrical ground and to communicate to wireless charging transmitter to decrease the power level on wireless charging receiver side.

Abstract: An apparatus includes a charging circuit configured to electrically connect to a plurality of batteries during manufacture of a set of batteries that includes the plurality of batteries. The apparatus further includes a battery bank configured to supply charge to the plurality of batteries during a formation process of each battery of the plurality of batteries and to receive the charge from the plurality of batteries during the formation process. The battery bank has at least one attribute that enables the battery bank to concurrently charge, for each plurality of batteries of the set of batteries, a particular number of batteries based on at least a threshold charging rate and to concurrently discharge, for each plurality of batteries of the set of batteries, the particular number of batteries based on at least a threshold discharging rate.

Abstract: A technique of reducing errors in measurement of a charging/discharging current in a battery module including a plurality of secondary batteries. A current measuring apparatus according to the present disclosure is included in a battery pack including a bus bar on a charging/discharging path to measure a current flowing through the charging/discharging path.

Abstract: A battery monitoring module may be arranged in such a way as to receive a sensor signal from a light sensor configured to detect light within a battery module. The battery monitoring module may determine, using processing circuitry, a light characteristic within the battery module based on the sensor signal. The battery monitoring module may determine, using processing circuitry, a battery condition of the battery module based on the light characteristic.

Abstract: A battery pack can include a battery and a battery management system for detecting a charge amount of the battery, setting an indicated charge amount as the charge amount if the charge amount of the battery is smaller than a first threshold value, and setting the indicated charge amount as that of the following equation 1 when the charge amount of the battery is greater than or equal to the first threshold value. Indicated charge amount=actual charge amount×correction rate=actual charge amount×(1+((100/second threshold value)?1)/(second threshold value?first threshold value)×(actual charge amount?first threshold value))),??[Equation 1] wherein the actual charge amount is the charge amount of the battery.

Abstract: A solar powered charging station uses photovoltaic panels to generate electrical energy for use directly and/or for storage in electrical batteries for use during night operation. The station includes parallel electrical circuits which permit the station to operate during daylight hours in the event of a failure of the battery or the battery charging system. The station is designed to provide a kit embodiment having light weight, easily transportable components. The parallel circuitry is adaptable for use with other forms of electrical power generation having a minimal carbon footprint.

Abstract: A method for discharging a battery module, having at least two battery cells, of a battery having at least two battery modules, wherein the battery cells of each of the battery modules are arranged next to one another and are mechanically and electrically connected to one another, wherein, in each of the battery modules, the respective battery cells are individually activated and deactivated in terms of an energy storage function by a cell switch unit, wherein the battery cells of the battery module to be discharged are selectively electrically coupled successively to a discharge device by the cell switch unit and starting from one predefined battery cell, in order to individually successively electrically discharge the battery cells in order to discharge the battery module.

Abstract: A secondary battery protection circuit for protecting a secondary battery, including: a low-voltage detecting circuit configured to detect a voltage across the secondary battery that is lower than a second voltage for low voltage detection, the second voltage being set to be lower than a first voltage for overdischarge detection; and a switching circuit configured to cause a gate of a charge control NMOS transistor to be fixed at a potential at a high side power supply terminal, upon detecting, by the low-voltage detecting circuit, that the voltage across the secondary battery is lower than the second voltage for low voltage detection.

Abstract: Apparatus and associated methods relate to a system or method of precision battery charge measurement. Some embodiments may include precise charge and discharge control based on precision battery voltage and current sensing. In an illustrative example, energy either going in or out of the battery may be multiplied or computed using novel circuitry. In various embodiments, energy may be computed in a precision energy small unit determined as a percentage of total battery capacity. In an illustrative example, the precision unit may be, for example, 0.0018% of the total battery capacity. In some embodiments, the energy meter value may be in digital form, so it can be stored in memory and transmitted to external users as desired using USB type C or any other method. Various embodiments may advantageously provide extended battery life, based on using the measured energy meter value to maintain the state of charge of the battery.

Abstract: A method of charging a battery and a system using the same are provided. The method includes: detecting a terminal voltage of a battery; When the terminal voltage is less than a voltage threshold, performing quick charging which includes: calculating a rising rate of the terminal voltage, comparing the rising rate with a rising rate reference value, and controlling the terminal voltage according to the comparison result; and when the terminal voltage is not less than the voltage threshold, performing low current floating charging which includes: intermittently charging the battery by a predetermined floating charging period, calculating a falling rate of the terminal voltage, comparing the falling rate with a falling rate reference value, controlling the terminal voltage according to the comparison result, in a first time duration of the floating charging period, and suspending charging in a second time duration of the floating charging period.

Abstract: A method for testing a charging process of an electrically powered motor vehicle having an on-board power system, wherein said on-board power system includes at least one charge connection for connecting the on-board power system to a charging station and is connected to at least one electric power storage device, wherein an adapter having at least one discharge connection is additionally connected to the on-board power system for testing the charging process, wherein electric power for testing the charging process is conducted via the at least one charge connection into the on-board power system, wherein a primary portion of said electric power is discharged again from the on-board power system via the at least one discharge connection of the adapter.

Abstract: A vehicle-to-building power system allows a vehicle to power a building. The system includes a power-receiving unit remote from a vehicle. The unit includes a cable configured to mate with a vehicle port and support high-voltage electrical loads between the vehicle and the power-receiving unit. The unit further includes a high-voltage inverter configured to convert a direct current (DC) power supplied from a vehicle battery to an alternating current (AC) power compatible with a building electrical system, and a high-voltage DC bus electrically connected to the inverter. The bus has one or more contactors that electrically connect the cable to the high-voltage inverter when closed and electrically disconnect the cable and the high-voltage inverter when open.

Abstract: The disclosure describes a solar home system that may be used for the following purposes in the household: lighting, mobile phone and other electronic device charging through Universal Serial Bus (USB) ports, receiving television signal through digital TV signal, receiving internet information through the wireless network signal and powering electronics through an inverter. The present invention is very beneficial for households who do not have access to electricity from the electricity grid, households that have unreliable access to electricity, or households that choose not to utilize electricity directly from the grid.

Abstract: An electronic device charges a battery. The electronic device includes a charging circuit, a power supply controller, and a detector. The charging circuit charges the battery. The power supply controller controls charging of the battery performed by the charging circuit. The detector detects information about a use environment where the electronic device is used. When the power supply controller determines that the use environment for the electronic device is a specific environment based on the information detected by the detector, the power supply controller regulates the charging performed by the charging circuit.

Abstract: The present invention relates to a charging and discharging apparatus of a battery, and more particularly, to a charging and discharging apparatus of a battery capable of evenly charging respective battery cells whose charging and discharging characteristics are different from each other because capacities and internal resistances of the respective battery cells connected to each other in series do not completely coincide with each other, in an apparatus of charging and discharging a battery in which a plurality of battery cells are connected to each other in series.

Abstract: A charging method and a related device are provided. A charge protection apparatus includes a micro control unit MCU, a current detection circuit, a gating circuit, and an I/O interface. The current detection circuit detects an external charging current flowing through a power cable. The current detection circuit transmits the external charging current to the MCU. The MCU transmits the external charging current to a user terminal by using the I/O interface, so that the user terminal calculates a current difference between the external charging current and an internal charging current detected by the user terminal, and determines, based on the current difference, whether to generate a circuit control command. The MCU receives the circuit control command sent by the user terminal, and controls, according to the circuit control command, the gating circuit to be in a closed state or an open state.

Abstract: Disclosed is a method and apparatus for estimating parameters of a battery equivalent circuit model. The battery equivalent circuit model includes a first and second resistors and a capacitor. The method includes reading a pulse discharge profile corresponding to a parameter estimation condition from a plurality of pre-stored pulse discharge profiles, the pulse discharge profile including a first number of terminal voltages sequentially measured from a battery having a specific SOC in a predetermined cycle while the battery is discharged with a specific constant current from an OCV corresponding to the specific SOC to a lower limit of discharge voltage at a specific temperature, extracting a second number of terminal voltages between the OCV and a threshold voltage from the first number of terminal voltages, and estimating resistance values of the first and second resistors based on the OCV, the constant current, and the second number of terminal voltages.

Abstract: A battery monitoring circuit measures individual battery cell voltages and temperatures of a plurality of series-connected battery cells utilizing an Analog Front End, a controller that collects and analyzes the data digitally transferred to it by the Analog Front End, and a Fuel Gauge configured to measure a single battery cell.

Abstract: The inhalation component generation device comprises: a load that vaporizes or atomizes an inhalation component source by electric power from an electric power source; a controller that obtains a value representing a remaining amount of the electric power source, and obtains an operation requesting signal to the load and generates an instruction for operating the load; and a user interface. The controller is configured to cause the user interface to perform a second notification when the value representing the remaining amount of the electric power source is less than a first threshold value and equal to or greater than a second threshold value that is less than the first threshold value, and cause the user interface to perform a third notification when the value representing the remaining amount of the electric power source is less than the second threshold value.

Abstract: Disclosed is a rapid short-circuit protection circuit of charger at output end. With the short-circuit protection circuit adopted at an output end of a battery charger, MOS switch transistors in a battery power supply circuit may not burn out when an output end VOUT of the battery charger is short-circuited, and thus a good short-circuit protection effect is rendered.

Abstract: An electrical system comprises at least one high-voltage battery, at least one DC link capacitor and at least two power relays, whereby one power relay is arranged between a positive connector of the high-voltage battery and the DC link capacitor, while the other power relay is arranged between a negative connector of the high-voltage battery and the DC link capacitor, whereby the electrical system has a galvanically isolated DC/DC converter that is connected to a voltage source in the electrical system, whereby the DC/DC converter is configured such that it can transmit electric energy to a high-voltage side with the DC link capacitor in order to pre-charge the DC link capacitor, whereby the electrical system has a diagnostic device to test the power relays, whereby the diagnostic device has switchable voltage sensors.

Abstract: Methods and systems are provided for reliably providing a prognosis of the life-expectancy of a vehicle battery. A state of degradation of the battery is predicted based on a rate of convergence of a metric, that is derived from a sensed vehicle operating parameter, towards a defined threshold, determined based on past history of the metric. The predicted state of degradation is then converted into an estimate of time or distance remaining before the component needs to serviced, and displayed to the vehicle operator. Vehicle control and communication strategies may be defined with respect to the predicted state of degradation.

Abstract: System and method of controlling operation of a device having multiple rechargeable packs configured to store energy. The multiple rechargeable packs include at least one primary pack characterized by a first capacity and at least one auxiliary pack characterized by a second capacity, the first capacity being greater than the second capacity. A controller is configured to selectively command one or more of the multiple rechargeable packs to begin at least one of discharging and charging. When an estimated end of trip time is less than or equal to a discharging time of the at least one auxiliary pack, the discharging of the at least one auxiliary pack is begun. When the estimated end of trip time is greater than the discharging time, the discharging is delayed until the respective state of charge of the at least one primary pack reaches a first threshold.

Abstract: Realized is a vehicular battery monitoring device or a vehicular battery monitoring system for which the number of wires can be reduced, and that can transmit information using a characteristic transmission path. A battery monitoring device includes: a detection unit configured to detect at least one of a voltage at a predetermined position of a battery or a temperature of the battery; and a wireless communication unit configured to transmit, using a wireless communication method, detection information that indicates at least one of the voltage and the temperature of the battery based on a detection result of the detection unit, at least to another battery monitoring device provided in a vehicle.

Abstract: The present disclosure relates to a method for controlling a low-consumption mode of an electronic switching unit, which is supplied with an electrical operating current via a current path, wherein a circuit-external power control unit transmits an activation command for activating the low-consumption mode to the switching unit. A measuring device for generating a consumption signal that is a function of an amperage of the operating current being operated in the current path is disclosed. After the activation command has been transmitted the power control unit uses the consumption signal to determine whether the amperage is still above a threshold value that is specified for the low-consumption mode, and in this case a predetermined emergency measure is initiated to force the low-consumption mode and/or to reduce the amperage.

Abstract: A vehicle battery controller based on a reduced order model is provided. The controller identifies a value of a current output by the battery that supplies power to the vehicle. The controller provides the value of the current to a solid diffusion component, an electrolyte transport component, and a electrolyte and solid potential component. The solid diffusion component can update a solid concentration model of the battery. The electrolyte transport component can update an electrolyte concentration model of the battery. The electrolyte and solid potential component can update an electrolyte potential model and a solid potential model of the battery. The controller component can determine a value of a voltage of the battery and a value of a heat generation rate of the battery. The controller component can generate a command to manage a performance of the battery.

Abstract: Provided are a battery management system and method for optimizing an internal resistance of a battery. The battery management system includes: a current measurement unit configured to measure a discharging current of the battery; a memory configured to store a plurality of voltage-current characteristic profiles; and a control unit operatively connected to the current measurement unit and the memory and configured to determine a reference profile from the plurality of voltage-current characteristic profiles based on a state of charge and a temperature of the battery. The reference profile includes a start point, an end point, and a plurality of intermediate points positioned between the start point and the end point.

Abstract: A sensor module includes a sensor, a wireless communication unit notifying a measurement value obtained by the sensor and a value based on the measurement value, a battery supplying a voltage to an electric circuit including the sensor and the wireless communication unit, a voltage measurement unit measuring an end-to-end voltage of the battery at a predetermined measurement interval, and a measurement interval change unit changing the measurement interval of the voltage measurement unit, wherein the measurement interval change unit sets, if the end-to-end voltage measured by the voltage measurement unit is equal to or greater than a first specified voltage value, the measurement interval to a first time interval, and the measurement interval change unit sets, if the end-to-end voltage measured by the voltage measurement unit is lower than the first specified voltage value, the measurement interval to a second time interval shorter than the first time interval.

Abstract: The present application provides a method and apparatus for correcting a state of charge. The method for correcting a state of charge comprises: determining an operating state of a battery cell, wherein the operating state comprises a discharging state or a charging state; and determining a corrected state of charge of the battery cell according to an acquired current open circuit voltage of the battery cell, an acquired current accumulative capacity of the battery cell, an accumulative capacity correspondence relationship corresponding to the operating state of the battery cell, and an open circuit voltage curve corresponding to a limit initial state of charge, wherein the accumulative capacity correspondence relationship comprises a correspondence relationship between a pre-measured open circuit voltage and an accumulative capacity threshold. A technical solution of the present application can be used to improve the accuracy of calculation of a state of charge.

Abstract: Example embodiments involve modular paging device to pass incoming messages off, through Wi-Fi or cellular data, to a central server. This central server handles a response request, and sends the message to a corresponding pager address found within a pager network, allowing a closed loop two-way communication handled through a graphical user interface which may be displayed at the client device.

Abstract: According to one embodiment, a BBU includes an array of battery cells, a DC/DC converter coupled to the battery cells, and a first switch logic coupled to the battery cells and the DC/DC converter. The first switch logic is configured to switch the BBU to operate between a first mode and a second mode. When operating in the first mode, the first switch logic causes the output voltage of the DC/DC converter to be provided to an external load. When operating in the second mode, the first switch logic causes the output voltage of the DC/DC converter to be coupled to an internal load for the purpose of determining the health of the battery cells.