Abstract: Systems and methods are provided for monitoring the deterioration of a rechargeable battery. A battery monitoring system may be used to store charging information, discharge information and storage information for a rechargeable battery to a data store. The charging information may include a number of charge cycles incurred by the rechargeable battery. The discharge information may include a number discharge cycles incurred by the rechargeable battery. The storage information may include information relating to periods when the rechargeable battery is not being actively charged or discharged. The battery monitoring system may be further used to determine an amount of deterioration of a battery performance characteristic based on the stored charging information, discharge information and storage information.

Abstract: A battery test circuit for testing batteries in a working circuit having a plurality of batteries includes a DC step up converter. The DC step up converter may be selectively interconnected between a first one of a plurality of batteries and a second one of a plurality of batteries, to draw a test current from the first battery and to supply current at an elevated voltage to the second battery. The test circuit further includes an indicator output for providing a signal indicative of whether the first battery provides the test current substantially at its rated voltage.

Abstract: A method for determining the power that can be provided or absorbed by a battery includes determining a state variable of the battery. A power that can be provided or absorbed by the battery during a specified load period is determined using a table of power values and the state variable of the battery. The state variable of the battery is used as an access parameter for the table. A load of the battery is measured using an operating parameter of the battery. A load period in which the load of the battery is given is measured. The measured load period is compared with a comparison range that contains the specified load period. A correction routine is carried out if the load period lies in the comparison range. A battery system includes a controller for carrying out the method. A motor vehicle includes the battery system.

Abstract: A process for performing an auto-test of a fully discharged battery (130) of an electronic appliance including a battery charger (160), said process involving the steps of: performing (210) an initialization phase; charging (220) said battery (130) with a predetermined constant current during a predefined period allowing stabilization of said current (Icurrent); detecting (230) the voltage of said battery after said predefined period, said battery being still in charge; testing (240) whether said sensed voltage is comprised within a predetermined range of threshold values (V1, V2), and reporting a battery failure when said sensed value is outside said range. The invention is particularly adapted to the auto-test of a backup battery made of Electric double layer capacitors or any fully discharged backup battery.

Abstract: The invention relates to an object's state or properties being monitored, such as a lithium-iron-phosphate (LFP) or other type of electrical battery containing one or more LFP or other type of electrical battery cell within the battery, and one or more sensors for measuring the state or property of the object, such as the state of charge of the battery cells, by measuring the magnetic susceptibility or other properties, such as the magnetic susceptibility of electrolyte or the electrodes within the battery cells. The state of charge of the battery cells within the battery arc monitored by the one or more sensors, which are coupled to electrical circuits.

Abstract: The method includes the simultaneous measurement of the current I, of the positive plate potential V+, and of the temperature T at the positive terminal of the battery, the determination of a temperature compensated value Vc+ of the positive plate potential and the use of the temperature compensated value Vc+ for estimation of the state of charge. This method is more particularly used for estimation of the state of charge of an alkaline battery having a NiOOH positive plate.

Abstract: A battery control module for use with a battery includes a voltage measuring module that measures battery voltage and a current measuring module that measures battery current. A power limit module communicates with the current and voltage measuring modules and once every time period estimates a battery current limit that corresponds with a future time period. The battery current limit is based on a predetermined voltage limit of the battery and a battery current and a battery voltage that correspond with a time period that precedes the future time period.

Abstract: A battery system for monitoring a battery-operated electronic device includes one or more battery cells for operating the electronic device, an electronic processor for monitoring electrical activity of the one or more battery cells; and a wireless communication module for communicating with a remote electronic device via a network based on the electrical activity. Registration information, including a unique identity of the battery system, may be received at the remote electronic device. A first signal, including the unique identity, may be received at the remote electronic device during use of the battery system. A second signal may be transmitted from the remote electronic device to a communication device in response to receiving the first signal.

Abstract: A dual mode battery charging system and method of use are provided for use in an electric vehicle. The system utilizes at least two user selectable, charging operational modes. In a first operational mode, a state of charge circuit cycles an engine/generator system on/off between a first level and a second level, where the second level is higher than the first level. In a second operational mode, the state of charge circuit cycles the engine/generator system on/off between a third level and a fourth level. After the fourth state of charge has been reached once, the state of charge circuit cycles the engine/generator system on/off between a fifth level and the fourth level, where the fifth level is higher than the third level and lower than the fourth level, and where the fourth level is lower than both the first and second levels.

Abstract: A dual mode battery charging system and method of use are provided for use in an electric vehicle. The system utilizes at least two user selectable, charging operational modes. In a first operational mode, a state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a first level and until the battery state of charge reaches a second level, where the second level is higher than the first level. In a second operational mode, the state of charge circuit powers on the engine/generator system whenever the battery state of charge falls below a third level and until the battery state of charge reaches the second level, where the third level is lower than both the first and second levels.

Abstract: A current measurement apparatus includes a shunt resistor (1) located between two terminal members (5, 6), each connected electrically to a respective end (4, 3) of the shunt resistor, and each extending over substantially the whole of an adjacent side face of the shunt resistor. Electrically insulating, thermally conductive material (8, 9) is provided between each side face of the shunt resistor (1) and the terminal members (5, 6), and serves to provide a thermal path for heat exchange between the shunt resistor and the terminals. The shunt resistor (1) is engineered to have the desired electrical properties, and the terminal members are connected by mechanical fasteners (13, 14) to ensure the required electrical properties without calibration. Measuring circuitry (15) is incorporated between the shunt resistor (1) and terminal members (5, 6).

Abstract: A test system for a battery module is provided. The system includes a housing having a bottom plate; and first, second, third and fourth side walls coupled to the bottom plate that defines an interior region. The system further includes a mounting fixture that fixedly holds the battery module thereon. The system further includes first, second, third and fourth coupling members. The system further includes a lid coupled to the housing utilizing the first, second, third and fourth coupling members. The system further includes a battery charging system that charges the battery module.

Abstract: A sensor arrangement and method that may be used with a variety of different energy storage devices, including battery packs found in hybrid vehicles, battery electric vehicles, and other types of vehicles. An exemplary sensor arrangement includes a number of sensor units, a controller, and several connections, wherein two or more sensor units are coupled to each node of the battery pack and are coupled to the controller over different connections. An exemplary method is divided into two aspects: an error detection aspect and an error resolution aspect. Because the sensor arrangement provides multiple sensor readings for each node being evaluated, the method can enable the sensor arrangement to continue operating accurately and with redundancy even if it experiences a loss of one or more sensor units.

Abstract: Disclosed is a voltage sensing assembly to detect voltages of battery cells having electrode terminals formed at an upper end or a lower end thereof in a state in which the voltage sensing assembly is mounted to a battery module, the voltage sensing assembly including (a) a block case, formed of an electrically insulative material, mounted to a front or rear of the battery module corresponding to electrode terminal connection parts of the battery cells, (b) conductive sensing parts connected to voltage sensing terminals located at one-side ends of bus bars electrically connected to the electrode terminal connection parts of the battery cells, and (c) a connector to transmit voltages sensed by the conductive sensing parts to a controller.

Abstract: A circuit for measuring voltage of a battery and a power storage system using the same are disclosed. According to one aspect, the circuit includes a switching element connected to the battery and configured to output a first signal at a first voltage level. The switching element is configured to be turned-on in response to a voltage measuring control signal. The circuit also includes a voltage conversion circuit connected to the switching element. The voltage conversion circuit is configured to output a second signal at a second voltage level that is proportional to the first voltage level. An analog-digital converter is configured to receive the second signal and convert the received second signal into a digital signal. A controller is configured to transfer the voltage measurement control signal to the switching element, and receive the digital signal from the analog-digital converter.

Abstract: A battery inspection apparatus includes: a battery inspection table having a plurality of inspection units each for inspecting a rechargeable battery; and a controller that is provided separately from the battery inspection table and configured to control the battery inspection table. Each of the inspection units includes: a contactor for inspection configured to contact a corresponding battery; and a measurement circuit that is connected to the contactor and configured to generate an analog measured signal by measuring at least one of a current, voltage, and temperature, based on an input from the contactor. The battery inspection table has a control board mounted, the control board being configured to convert the analog measured signal generated by each of the inspection units into a digital signal to output to a common communication cable, and the communication cable connects the control board and the controller together.

Abstract: The invention relates to a method for recognising a critical battery condition after a reset (200) of a battery monitoring device (100), wherein a data item indicating the critical battery condition is stored (221) in a non-volatile memory (121) when a critical battery condition is recognised (220) by the battery monitoring device (100), and after the reset (200) of the battery monitoring device (100) a critical battery condition is recognised (211, 220) if the data item indicating the critical battery condition is stored in the non-volatile memory (121).

Abstract: A method and apparatus for battery gauging in a portable terminal are provided. In the battery gauging method, it is determined in a low-power mode whether a listening interval occurs for detecting the presence of a received signal. The remaining battery capacity is detected if the listening interval occurs. An interrupt signal is transmitted to the second processor, operating in a low-power mode, if the remaining battery capacity is less than or equal to a threshold. Upon receipt of the interrupt signal, the second processor wakes up to interrupt the power of the portable terminal.

Abstract: A circuit is for checking the voltage of a battery. The circuit includes a regulator component, a pnp type transistor, an npn transistor, a diode, and an alarm. The circuit activates an alarm when the voltage of the battery is less than a preset value.

Abstract: According to one embodiment, a battery management apparatus includes a time measurement module and a determination module. The time measurement value is configured to measure a discharge time after requesting driving a device by a direct-current voltage supplied from the battery until the voltage is lowered to a discharge stop voltage which is a voltage that the battery should stop discharge. The determination module is configured to determine that the battery is new, when the discharge time measured by the time measurement module is greater than or equal to a predetermined time that is set to determine if the battery is new.

Abstract: A battery managing method and apparatus, and an electronic device using the method and apparatus, to manage a power consumption amount of a battery in the electronic device such that a user may use the electronic device for a desired time period. The power consumption of the battery in the electronic device is measured and the user is notified that the battery is being overly used based on the desired time period of the user such that the user may manage the battery consumption of the electronic device.

Abstract: The present invention provides a secondary cell, wherein an area having generated therein a phenomenon due to an internal short-circuit can be freely changed, a change in the secondary cell due to the generation of the internal short-circuit is correctly grasped, and safety of the secondary cell can be accurately evaluated when the internal short-circuit is generated. An internal short-circuit test method for the secondary cell is also provided. In the present invention, the secondary cell is configured by disposing: an electrode group, which is formed by winding or laminating a positive electrode plate, a negative electrode plate, and an insulating layer disposed between the positive electrode plate and the negative electrode plate; and a heat generating body, which is disposed between the positive electrode plate and the insulating layer or between the negative electrode plate and the insulating layer.

Abstract: The invention provides a method for evaluating the safety of a battery under an internal short-circuit condition. The battery includes: an electrode group including a positive electrode, a negative electrode, and an insulating layer for electrically insulating the electrodes, which are wound or laminated; an electrolyte; a housing for housing the electrode group and the electrolyte; and a current-collecting terminal for electrically connecting the electrode group and the housing. The method of the invention includes: placing a foreign object at a location inside the electrode group of the battery where the positive electrode and the negative electrode face each other; and pressing the location by the pressure applied by a pressing tool to locally crush the insulating layer between the positive and negative electrodes, thereby causing an internal short-circuit.

Abstract: Provided is a battery gauging method for a portable terminal including an active matrix organic light emitting diode (AMOLED) display. The battery gauging method may measure a voltage value of a battery, may determine, for each pixel, RGB information associated with image data buffered in a frame buffer, may determine, for each pixel, a preliminary compensation value corresponding to determined RGB information so as to calculate a compensation value by adding preliminary compensation values of all pixels, and then determine a residual quantity of the battery based on the measured voltage value and the compensation value.

Abstract: A simplified inventory management method. The method employs a plurality of stock-keeping unit labels, with each of the plurality of stock-keeping unit labels having a same stock-keeping unit number. Individual ones of the plurality of stock-keeping unit labels are utilized to track individual items of a plurality of items. A sale price of individual ones a first set of the plurality of items is different from a sale price of individual ones of a second set of the plurality of items.

Abstract: In a voltage monitor, an abnormality detecting unit receives first information outputted from a first obtaining unit and second information outputted from a second obtaining unit, and determines that an abnormality that affects on at least one of first and second diagnostic thresholds arises in the voltage monitor when the first information is different from the second information. The abnormality detecting unit receives a first forced signal outputted from a first forced-output unit and a second forced signal outputted from a second forced-output unit. The abnormality detecting unit determines whether a timing at which the level of the first diagnostic threshold is switched for each step is deviated from a timing at which the level of the second diagnostic threshold is switched for a corresponding step based on a result of a comparison between the first forced signal and the second forced signal.

Abstract: The present invention relates to a chuck mechanism of a charge-discharge test device for a thin secondary battery, and aims to provide a chuck mechanism having excellent action controllability. The chuck mechanism includes: a chuck drive part which is movable in a direction toward a battery container housing a thin secondary battery; and a chuck activation part which is located away from the chuck drive part in the direction toward the battery container and whose movement in the same direction is restricted. In the chuck mechanism, when the chuck unit is moved in the direction toward the battery container, the chuck drive part activates a chuck member of the chuck activation part whose movement in the same direction is restricted.

Abstract: There is provided a storage battery deterioration diagnosis system, including: a cell-list creator configured to select diagnosis target cells from among a plurality of cells in a storage battery system, and create a list of the diagnosis target cells; a cell deterioration diagnoser configured to obtain degradation degrees of the diagnosis target cells; a temperature distribution estimator configured to estimate degradation degrees of non-target cells other than the diagnosis target cells, based on a distance between the non-target cell and the diagnosis target cells, and obtain temperature distribution of a whole of the plurality of cells based on degradation degrees of the diagnosis target cells and the degradation degrees of the non-target cells; and a cell-list updater configured to update the list of the diagnosis target cells based on the temperature distribution.

Abstract: A protective semiconductor apparatus for protecting an assembled battery including N secondary cells connected in series includes a disconnection detecting circuit including, for each of the N secondary cells, a voltage-sensing resistor dividing a voltage of a corresponding one of the secondary cells, a reference voltage, and a first comparator comparing a voltage obtained by the voltage-sensing resistor with the reference voltage. The protection semiconductor apparatus also includes a circuit connecting an internal resistor having a resistance value smaller than a resistance value of a corresponding one of the voltage-sensing resistors in parallel to the corresponding voltage-sensing resistors successively and selectively at predetermined time intervals.

Abstract: A combined sensing and reading apparatus. The apparatus includes a tag reader and an environment sensor integrated with the tag reader. A battery maintenance tool that includes a tag reader and an environment sensor integrated with the tag reader is also provided. Examples of a battery maintenance tool include a battery tester and a battery charger.

Abstract: Systems and methods are provided for monitoring a voltage. A level shifter is configured to generate a current proportional to the voltage of the battery cell. A delta-sigma modulator is configured to convert the current into a first density modulated bitstream representing the voltage of the battery cell. A first reference source is configured to provide a second density modulated bitstream representing a first threshold voltage. A first comparator is configured to compare the first density modulated bitstream and the second density modulated bitstream.

Abstract: A current detection apparatus for detecting a current from a battery flowing through a harness. The apparatus includes a resistor having first and second fixed portions secured and electrically connected to a battery-side wiring and the harness, respectively, a circuit board provided with a current detection circuit for detecting a current flowing through the resistor on the basis of a potential difference between two positions along a current carrying path between the first and second fixed portions of the resistor, and a casing for housing the resistor and the circuit board. The resistor includes a current carrying member that provides the current carrying path and a lead member electrically connecting the current carrying member and the circuit board. The first and second fixed portions, and the current carrying member are disposed on the top surface of the battery, and the circuit board is disposed on a side of the battery.

Abstract: A method of rating a battery includes providing a plurality of numerical values by removing units from standardized ratings or tests for the battery; assigning a pre-calculated unit scaling factor to each numerical value of the plurality of numerical values; and calculating a total rating by multiplying each pre-calculated unit scaling factor by each corresponding numerical value of the plurality of numerical values to obtain a normalized value for each numerical value of the plurality of numerical values, and adding each normalized value.

Abstract: A battery monitoring apparatus for monitoring a battery condition of an assembled battery. In the apparatus, a monitoring unit is powered by the assembled battery and transitions from a normal mode, in which power supply from the assembled battery to the monitoring unit is maintained, to a dark-current mode, in which the power supply is partially interrupted, in response to a mode-switching instruction signal from a control unit. Upon reception of a mode confirmation signal from the control unit during the normal mode, the monitoring unit transmits a response signal to the control unit. The control unit transmits the mode-switching instruction signal to the monitoring unit, and thereafter transmits the mode confirmation signal to the monitoring unit. Upon reception of the response signal to the mode confirmation signal from the monitoring unit, the control unit determines that the dark-current mode of the monitoring unit is malfunctioning.

Abstract: A battery monitoring apparatus for monitoring a battery condition of an assembled battery. In the apparatus, a control unit transmits, to a monitoring unit that is powered by the assembled battery and monitors its battery condition, a first mode-switching instruction signal for instructing the monitoring unit to transition from a normal mode to a dark-current mode. Subsequently, the control unit transmits to the monitoring unit a second mode-switching signal for instructing the monitoring unit to transition from the dark-current mode to the normal mode, and acquires an increased count value of a timer circuit in the monitoring unit for a time period from transmission of the first mode-switching instruction signal to transmission of the second mode-switching instruction signal. When it is determined that the increased count value is greater than an abnormality diagnosis criterion value, then the control unit determines that the dark-current mode of the monitoring unit is malfunctioning.

Abstract: A battery control module is provided for use with a battery and includes a voltage measuring module that measures battery voltage, a current measuring module that measures battery current, and a state of charge (SOC) module. The SOC module communicates with the current and voltage measuring modules, determines a reset voltage based on the battery current, compares the battery voltage and the reset voltage, and resets a battery SOC based on an outcome of the comparison.

Abstract: An invention is provided for determining a state of health of a battery. The invention includes applying a predefined load profile to a battery, and obtaining a plurality of battery response voltage data corresponding to points along the predefined load profile. The battery electrical double layer capacity data is calculated from the battery response voltage data, and thereafter utilized to determine the state of health of the battery.

Abstract: Methods and apparatus for testing electrical storage batteries monitor magnetic susceptibility of components of the storage batteries. In some embodiments, magnetic susceptibility of a plate in a lead-acid battery is determined to provide an indication of the state of charge of the battery.

Abstract: A battery gauge estimation device is disclosed, having an impedance element, a switch, a control circuit, a voltage detection circuit, and an estimation circuit. The impedance element is coupled between a first terminal and a second terminal of a battery, and the switch is coupled between the impedance element and the first terminal of the battery. The control circuit configures the switch to be intermittently conducted at a predetermined frequency. The voltage detection circuit detects the voltage difference between the terminals of the impedance element. The estimation circuit generates a remaining power estimation according to the detected voltage difference.

Abstract: This disclosure describes methods and apparatus for indicating battery cell status on a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide methods for indicating battery cell status on the exposed exterior of a battery assembly pack both when the battery is in use and when the battery is not in use during mechanical ventilation. Embodiments utilize power from the ventilator as well as power from the battery pack itself to light the indicators during periods of battery use and non-use, respectively. Embodiments described herein further seek to provide an apparatus indicating battery cell status on the exposed exterior of the battery pack assembly during mechanical ventilation. Embodiments described herein further seek to provide an apparatus for a battery pack assembly used during mechanical ventilation. Embodiments described herein seek to provide a system for a ventilation system with an inserted battery pack assembly.

Abstract: A charging circuit is provided that charges a battery for supplying power to a motor drive system that includes a three-phase motor and a three-phase inverter for controlling the three-phase motor. The three-phase inverter includes first to third sets of switching elements. Each set corresponds to one of the three phases. The charging circuit includes a single-phase output transformer, a rectifier circuit, a line, and a controller. The single-phase output transformer includes a secondary side output section having a first terminal and a second terminal. The rectifier circuit is connected in parallel with the three-phase inverter and the battery. The rectifier circuit is also connected to the first terminal of the secondary side output section. The line connects a connecting point between the first set of the switching elements in the three-phase inverter with the second terminal of the secondary side output section. The controller performs on-off control of the first to third sets of the switching elements.

Abstract: A method and system for determining standby time for a mobile station uses a battery simulator, a base station emulator, a computer to control the test equipment and MSUT for testing a mobile station. The computer includes a module for determining a radio off battery voltage, a module for deriving a battery capacity in dependence upon the radio off battery voltage, a module for measuring battery capacity usage in a predetermined time while the mobile station is in standby mode and a module for determining a standby time for the mobile station in dependence upon the battery capacity and the battery capacity usage, where the predetermined time is less than the standby time.

Abstract: A test apparatus and corresponding method for simulating an internal cell short and initiating thermal runaway in a battery cell is disclosed whereby the cell is internally heated through rapid charge and discharge cycles at high currents. The magnitude of the selected current may be modulated to simulate a cell short with the desired power profile without unrealistically heating neighboring cells or interfering with the thermal environment of the cell within the module.

Abstract: Disclosed is a technique for detecting a relay fusion in a battery system. In particular, the disclosed technique protects the battery system by being able to determine whether all of the relays in the battery system are fused without any omission. In particular, the disclosed technique alternates between two processes to ensure all relays are operating correctly.

Abstract: There is provided an apparatus that calculates a polarization voltage of a secondary battery. A temperature sensor detects a temperature of the secondary battery; a voltage sensor detects a voltage of the secondary battery; and a current sensor detects an electric current of the secondary battery. A battery ECU calculates a polarization voltage based on the electric current and adaptively sets an upper limit value and a lower limit value of the polarization voltage according to a temperature characteristic of the secondary battery. The calculated polarization voltage is compared with an upper limit value and a lower limit value, whereby the polarization voltage is corrected. An SOC is estimated based on the corrected polarization voltage.

Abstract: A system includes a learning data input unit for receiving initial and long term characteristic learning data of a battery to be a learning object; a measurement data input unit for receiving initial characteristic measurement data of a battery to be an object for long term characteristic estimation; an artificial neural network operation unit for converting the learning data into first and second data structures, allowing an artificial neural network to learn the learning data based on each data structure, converting the measurement data into first and second data structures, and individually applying the learned artificial neural network corresponding to each data structure to calculate and output long term characteristic estimation data based on each data structure; and a long term characteristic evaluation unit for calculating an error of the estimation data of each data structure and determining reliability of the estimation data depending on error.

Abstract: In battery cell control system and method, a monitoring section connected to a battery cell included in an assembled battery, operated with the battery cell as a power source, and configured to monitor a state of the battery cell is provided and a first consumption of the battery cell which is consumed by the monitoring section in accordance with a voltage of the battery cell is estimated using the voltage of the battery cell.

Abstract: Information handling systems are tested for proper interaction with integrated batteries by simulating a battery connection at a battery port of the information handling system. A battery connector couples to the battery port and communicates through cables with a management bus, a programmable power source and a programmable load. The management bus supports communication with a battery management unit that imitates responses for the information handling system that are expected from a battery. A battery emulator controls the programmable power source and load to provide the information handling system with an expected battery response for confirming proper operation of the information handling system power subsystem without requiring insertion of an actual battery.

Abstract: A battery unit includes: a battery having cell units connected in parallel, in which one or a plurality of battery cells is connected in series; an external terminal provided for the battery; a switching element provided between each internal terminal and the external terminal of the cell unit; a protection circuit monitoring whether or not a fault occurs in each of the plurality of cell units and cutting off, through the switching element, a connection between the internal terminal and the external terminal of the cell unit with the fault detected; and an informing signal output terminal notifying an external device that the connection with the external terminal with respect to at least one of the cell units is cut off.

Abstract: [Objective] To provide a power supplying system wherein the timing at which a storage unit conducts capacity learning is made to be more suitable. [Solution] A power supplying system supplies power to loads provided within a facility, and is provided with: a power storage unit that stores power by being charged, and supplies power by being discharged; and a capacity measurement unit that measures the remaining capacity of the power storage unit by executing a complete charging and a complete discharging of the power storage unit, in sequence. The capacity measurement unit obtains the operation schedule of the facility, and determines the timing at which the complete charging and the complete discharging of the power storage unit are to be conducted, on the basis of the operation schedule.