Abstract: A method for controlling an uninterruptible power supply system and the uninterruptible power supply system for implementing the method includes a base unit and an accumulator module with a supervision unit, where the base unit includes a charging unit and a control unit for controlling the charging unit and can be accommodated spatially separated from the accumulator module, where a respective current charge-specific state of the accumulator module is established at regular intervals during charging and/or discharging by the supervision unit of the accumulator module and transmitted to the base unit in which the currently transmitted charge-specific state of the accumulator module is evaluated by the control unit and the charging unit of the base unit is controlled accordingly, such that the volume of data transmitted between the base unit and the accumulator module of the uninterruptible power supply unit is significantly reduced and the security of transmission is increased.

Abstract: Provided is a battery pack that, even in a case in which a metal plate and an electrode terminal are made of different metals, can increase reliability of the connection strength by welding them and can be configured at a low cost. A battery pack 1 includes adjacent battery cells 2 having positive and negative electrode terminals connected each other by a metal plate 3, and a dissimilar material bonding plate 4 having a terminal insertion hole 43 is disposed above a terminal connection hole 32, which is a long hole or a loose hole, into which an electrode terminal 24 composed of a different kind of metal from the metal plate 3.

Abstract: The present invention provides a charging assembly for charging at least one electrically chargeable storage device, in particular an electrically chargeable storage device for driving an electrical vehicle, including multiple isolated DC power outputs, at least one outlet for connection to the at least one electrically chargeable storage device, at least one switching assembly for connecting the multiple isolated DC power outputs to the at least one outlet for connection to the at least one electrically chargeable storage device, whereby the switching assembly is adapted to connect at least two of the multiple isolated DC power outputs in series and/or in parallel to the at least one outlet.

Abstract: In an embodiment, a power management system includes a detection unit configured to detect a power interruption to a power supply. The system further includes a communication interface configured to, in response to the detected power interruption, provide a message regarding the detected power interruption. In response to the detected power interruption, a computer network switch provides notifications to a plurality of servers connected to the switch to allow the plurality of servers to prepare for a loss in power.

Abstract: A voltage sampling circuit is provided for sampling voltage of at least two sets of cells in a battery pack includes at least two analog front ends including a low-side analog front end connected to a first set of cells and a high-side analog front end connected to a second set of cells, a subtractor has a positive input end and a negative input end, the positive input end connecting to the output of the high-side analog front end for receiving the analog voltage output by the high-side analog front end. When the first set of cells is connected with the second set of cells in series, the negative input end of the subtractor connecting to the total positive the first set of cells, when the first set of cells is connected with the second set of cells in parallel, the negative input end of the subtractor is grounded.

Abstract: A device charging system application to track one or more batteries configured to supply power to at least one load device and a central charging station in communication with the battery and including a transceiver and an electronic processor configured to define a virtual boundary within an area proximate to the central charging station, determine a proximate location of the battery, determine, based the location of the battery, whether the battery is within the virtual boundary, and transmit a command to the battery causing the battery to stop supplying power to the load device when the battery is not within the virtual boundary.

Abstract: A method for controlling charging capacity of an electric vehicle charging terminal capable of charging an electric vehicle is provided. The method includes steps of: an electric vehicle charging station, (a) while the electric vehicle charging terminal is connected to the electric vehicle via a charging connector, wherein the electric vehicle charging station manages unit charging sources and includes the electric vehicle charging terminal connected with a grouped charging source created by combining part of the unit charging sources, and wherein capacity of the grouped charging source is dependent on the combined part, selecting unit charging sources to be combined as a grouped charging source by referring to required charging capacity information of the electric vehicle; and (b) (i) controlling switches for connecting the unit charging sources to create the grouped charging source and (ii) allowing the grouped charging source to charge the electric vehicle through the charging connector.

Abstract: A battery equalization method includes: obtaining a voltage value of a to-be-equalized cell in a battery pack; obtaining a reference voltage value required for equalization; determining a target equalization duration of the to-be-equalized cell according to a voltage value of the to-be-equalized cell, the reference voltage value, and a preset equalization duty cycle, where the equalization duty cycle is a ratio of an equalization period in a unit cycle to the unit cycle, and the unit cycle includes the equalization period and a sampling period; and controlling equalization of the to-be-equalized cell in the equalization period in the unit cycle according to the target equalization duration. According to this method, sampling is separated from equalization in a unit cycle, thereby ensuring accuracy of collected battery information, making the calculated equalization duration relatively accurate, and improving equalization effects of the battery pack.

Abstract: Systems, devices, and methods of diagnosing an electrochemical cell using cyclic coulometry are discussed. An exemplary battery diagnostic system comprises a current generator to generate symmetric charge current and discharge current to excite an electrochemical cell, and a cyclic coulometer to evaluate performance of the electrochemical cell. The cyclic coulometer can adjust at least one of a charge time for applying the charge current, or a discharge time for applying the discharge current, to keep a monitored cell voltage toward a specific setpoint. The adjustment of charge or discharge time can be achieved by changing a current switch timing for reversing current from a first to a second current direction. The cyclic coulometer measures one or more electrical parameters during the charge or discharge cycle, and generates a performance metric using the measured electrical parameters.

Abstract: In each of battery modules, a processing circuit manages a battery unit connected to a power line. A communication circuit communicates data to be transmitted or received by the processing circuit. An isolated circuit insulates in a direct current between a first terminal of the communication circuit and a positive-electrode terminal or a negative-electrode terminal of the battery unit, and between a second terminal of the communication circuit and a conductive body to be a common potential of a plurality of the battery modules except for the power line.

Abstract: A method for determining a temperature characteristic of an electrochemical cell assembly includes (1) sensing a first voltage via one or more thermistors electrically coupled to the electrochemical cell assembly while loading circuitry electrically coupled to the thermistors is deactivated, (2) sensing a second voltage via the one or more thermistors while the loading circuitry is activated, and (3) determining the temperature characteristic of the electrochemical cell assembly at least partially from the first and second voltages.

Abstract: A cell balancing battery module comprising: a cell string having N ports in series; a maximum and minimum finding circuit coupled with the N ports and the at least one switched capacitor comparison circuit for performing a voltage comparison procedure to find a highest voltage port number and a lowest voltage port number, the voltage comparison procedure including a plurality of voltage comparison operations using two phases of at least one switched capacitor comparison circuit; a charge and discharge connecting circuit coupled with the N ports and an inductor, and being configured to select a highest voltage port out of the N ports according to the highest voltage port number to deliver energy to the inductor, and select a lowest voltage port out of the N ports according to the lowest voltage port number to receive energy released from the inductor.

Abstract: A data input scheduling apparatus that controls a vehicle battery and a relay for changing an electric connection between output terminals of the battery, and includes a detection unit for outputting an impact detection signal when an impact is applied to the vehicle and a control unit for outputting a relay-off signal to change the relay into an off state in response to the reception of the impact detection signal, the control unit outputting the relay-off signal according to a preset control cycle.

Abstract: According to one embodiment, an evaluation device includes first processing circuitry and second processing circuitry. The first processing circuitry calculates a feature value of an energy storage device based on voltage values measured from the energy storage device being subjected to charge-discharge-control according to charge-discharge command values. The second processing circuitry derives an evaluation function of a degradation state of the energy storage device according to a difference between a distribution of the charge-discharge command values and a reference distribution. The second processing circuitry evaluates the degradation state of the energy storage device, based on the evaluation function and the calculated feature value.

Abstract: In the present embodiment, an energy storage apparatus includes: a plurality of energy storage devices arranged in a first direction; a pair of end members disposed on both ends in the first direction of the plurality of energy storage devices; a connecting member that extends in the first direction and connects the pair of end members; and an intermediate member disposed between adjacent two of the energy storage devices, wherein the connecting member is decouplable at a position corresponding to the intermediate member in the first direction, and the intermediate member includes a first intermediate part and a second intermediate part that are separable in the first direction and are engaged with each other.

Abstract: A vehicle battery device includes a plurality of battery cell groups in which battery cells are connected in series, connection switches which can switch an electrical connection between the plurality of battery cell groups to a series connection or a parallel connection, and current sensors which detect electric currents flowing in the respective battery cell groups in both of the series connection and the parallel connection, and the current sensor is provided in the vicinity of a positive electrode terminal or a negative electrode terminal of each of the battery cell groups.

Abstract: A vehicle includes an inverter, a first battery, a first power line, a second battery, a second power line, and a voltage converter. Ranges of use with respect to open circuit voltages of the first battery and the second battery do not overlap each other, and ranges of use with respect to closed circuit voltages of the first and the second batteries overlap each other. When a regenerative power output from the inverter to the first power line is supplied to the second power line via the voltage converter, and the second battery is charged, an ECU calculates a maximum regenerative power with respect to the regenerative power output from the inverter to the first power line based on the open circuit voltage of the first battery and controls the inverter and the voltage converter such that the regenerative power does not exceed the maximum regenerative power.

Abstract: A management device manages an electricity storage module having: a first cell module and a second cell module each including a plurality of cells connected in series; and a conductive connection member for connecting the first cell module and the second cell module in series. A voltage detection circuit is connected to the nodes of the respective cells through voltage detection lines to detect the voltage of each of the cells and the voltage at both ends of the connection member. A control circuit distinguishes between and recognizes the voltage of each of the cells and the voltage at both ends of the connection member, which are detected by the voltage detection circuit.

Abstract: A charging method is provided for charging a plurality of batteries of a battery module. The charging method includes: obtaining a maximum voltage value and a minimum voltage value of a plurality of battery voltage values of the batteries according to a relative state of charge of the battery module during a charging process; obtaining a difference value between the maximum voltage value and the minimum voltage value; and adjusting a charging voltage value for charging the batteries and a taper voltage value for determining whether the batteries reach a charging saturation state according to the difference value.

Abstract: A battery pack includes a battery including at least one battery cell, a cell balancing device configured to balance a voltage of the at least one battery cell, a switch unit including a charging switch and a discharging switch arranged on a high current path through which a charging current and a discharging current flow, and a battery management unit configured to monitor a voltage and a current of the battery, to control the cell balancing device, and to control charging and discharging operations of the battery, wherein when a state of the battery during charging with a constant current satisfies a preset swelling condition, the battery management unit is configured to operate the cell balancing device for a preset discharging time to make the battery self-discharge, when the present discharging time passes, the battery management unit is configured to pause the battery from self-discharging for a preset pausing time, and when the preset pausing time passes, the battery management unit is configured to ch

Abstract: Various embodiments include an electrically operated vehicle comprising: an electric motor for driving the vehicle; a battery for supplying electrical power to the electric motor; a first charging connection socket for connecting a charging cable for electrically recharging the battery; and a second charging connection socket for connecting a second charging cable for electrically recharging the battery.

Abstract: A system of controlling an output of a high voltage battery for an eco-friendly vehicle includes: the high voltage battery mounted in the eco-friendly vehicle; a storage configured to store information on maximum available charge and discharge power according to a temperature and a state of charge (SOC) of the high voltage battery; and a controller configured to control available charge power and available discharge power of the high voltage battery based on at least one of information on a charge duration and a discharge duration of the high voltage battery, information on an accumulated charge amount and an accumulated discharge amount of the high voltage battery, and information on a requested output amount of the vehicle.

Abstract: The present disclosure provides a parallel battery charging circuit and charging method thereof. The charging circuit includes: a voltage conversion circuit, a voltage detection circuit, a feedback voltage selection circuit, and N charging current control circuits. By forming a differential feedback circuit composed of the voltage conversion circuit, the voltage detection circuit, and the feedback voltage selection circuit, an output voltage is adjusted according to a maximum error result, so that a voltage difference between the output voltage and a battery voltage corresponding to a maximum error result is a specified voltage difference, thereby starting charging from a battery with the lowest voltage.

Abstract: Systems and methods for providing power to a blade pitch system in a wind turbine are provided. A blade pitch system can include one or more motors configured to pitch one or more blades of a wind turbine and a power source. The power source can include a plurality of energy storage devices coupled in series. The plurality of energy storage devices can be configured to provide power to the one or more motors during a power loss event. The power source can further include at least one bypass current device configured to allow a bypass current to provide power from at least one energy storage device to the one or more motors. The bypass current can be a current that bypasses one or more failed energy storage devices in the plurality of energy storage devices.

Abstract: A battery pack including a communication terminal insulation function with an external system connected to the battery pack and a control method thereof.

Abstract: The purpose of the present invention is to reduce the number of components of an external device to reduce the cost of the external device. The electronic device according to the present technique is provided with: a battery installed unit in which a secondary battery is installed; a charging unit for charging the secondary battery on the basis of an external input power; and a connection unit for electrically connecting an external device in which a secondary battery is installed. The secondary battery installed in the external device is charged by means of the charging unit via the connection unit.

Abstract: Apparatuses, methods and storage medium associated with a battery powered system with interleaved discharge of batteries are disclosed herein. In embodiments, an apparatus may include one or more processors, devices, and/or circuitry to selectively couple a plurality of batteries to a voltage input node of a voltage regulation circuit to interleave discharge of the plurality of batteries to provide content circuit of a multimedia electronic device with an aggregated power consumed from the plurality of batteries, the aggregated power greater than a power corresponding to one of the batteries. Other embodiments may be described and/or claimed.

Abstract: A method for DC-charging an intelligent battery pack, which is connected to a charging column and has at least two battery modules. Each battery module includes at least two power semiconductor switches and at least one energy storage element. The battery pack is connected for charging by way of a connection circuit. A state of each individual energy storage element is monitored, wherein, in accordance with a continued evaluation of the states of the respective energy storage elements, a respective series and/or parallel interconnection of the respective battery modules among one another within the battery pack is configured dynamically by way of actuation of the power semiconductor switches.

Abstract: A device may cause constant voltage pulse charging of a battery by a battery charger. The device may determine a first voltage value associated with the battery and may cause, based on the first voltage value satisfying a voltage value threshold, the constant voltage pulse charging of the battery to pause for a first period of time. The device may determine, after the first period of time, a second voltage value associated with the battery and may cause, based on the second voltage value satisfying the voltage value threshold, the constant voltage pulse charging of the battery to pause for a second period of time. The device may determine, after the second period of time, a third voltage value associated with the battery and may cause, based on the third voltage value satisfying the voltage value threshold, the constant voltage pulse charging of the battery to cease.

Abstract: An apparatus may include a power rail, a subassembly, an additional subassembly, and an interface coupling the subassembly to the additional subassembly. The subassembly may include a load, an energy-storing component, a charger having an output coupled to the energy-storing component, and a reverse-current limiter having a first terminal coupled to the energy-storing component. The additional subassembly may include an additional energy-storing component, an additional charger having an output coupled to the additional energy-storing component, and an additional reverse-current limiter having a first terminal coupled to the additional energy-storing component. The power rail may cross the interface and may couple the load, an input of the charger, a second terminal of the reverse-current limiter, an input of the additional charger, and a second terminal of the additional reverse-current limiter. Various other apparatuses, systems, and methods are also disclosed.

Abstract: Disclosed herein is a battery pack including a box body and a plurality of battery modules disposed in the box body and arranged in a horizontal direction. The battery module can include a plurality of battery cells electrically connected to each other by a plurality of first bus bars, the battery cell can include a battery case and two electrode terminals. The disclosed arrangement of the battery modules in the battery pack can effectively avoid short-circuiting the electrode terminals of the battery module caused by the collapse of the box body toward the inside, thereby improving the safety of the battery pack.

Abstract: The present invention discloses systems and methods for adaptive fast-charging for mobile devices and devices having sporadic power-source connection. Methods include the steps of: firstly determining whether a supercapacitor of a device is charged; upon detecting the supercapacitor is charged, secondly determining whether a battery of the device is charged; and upon detecting the battery is not charged, firstly charging the battery from the supercapacitor. Preferably, the step of firstly determining includes whether the supercapacitor is partially charged, and the step of secondly determining includes whether the battery is partially charged. Preferably, the step of firstly charging is adaptively regulated to perform a task selected from the group consisting of: preserving a lifetime of the battery by controlling a current to the battery, and discharging the supercapacitor in order to charge the battery. Preferably, the discharging enables the supercapacitor to be subsequently recharged.

Abstract: An electrical assembly includes a first battery, a second battery, a third battery, and/or a switch assembly. The switch assembly may be configured to selectively connect at least two of the first battery, the second battery, and the third battery to one or more loads. The switch assembly may include an electronic control unit (ECU) configured to control the switch assembly. The ECU may be configured to selectively open one or more switches of the switch assembly and disconnect a corresponding battery of the first battery, the second battery, and the third battery from the one or more loads to test the one or more switches and the corresponding battery.

Abstract: A method of charging a traction battery of a vehicle includes, among other things, partitioning the traction battery of the electrified vehicle into a plurality of partitions. Each of the partitions is separately chargeable. The method then includes evaluating at least one characteristic of the plurality of partitions, and prioritizing a charging of the plurality of partitions from at least one external power source based on the evaluating.

Abstract: Methods and systems for depassivating completion tool batteries are provided. In one embodiment, the methods comprise: providing a completion tool disposed within a wellbore penetrating at least a portion of a subterranean formation, wherein the completion tool is electrically coupled to an at least partially passivated lithium battery; depassivating the at least partially passivated lithium battery in the wellbore by discharging the lithium battery; and powering the completion tool with the at least partially depassivated lithium battery.

Abstract: A battery monitoring device and a battery monitoring system for suppressing a variation of a pulse width in a communication signal transmitted and received between battery monitoring devices are provided. The battery monitoring device comprises: a receiving unit, which receives a communication signal input from the outside; a signal regenerating unit, which regenerates the communication signal so that a width of a pulse that is included in the communication signal received by the receiving unit becomes a prescribed magnitude; a transmitting unit, which transmits the communication signal regenerated by the signal regenerating unit to the outside; and a processing unit, which carries out a process of measuring a cell voltage of battery cells according to the communication signal received by the receiving unit.

Abstract: A battery management system may include a plurality of balancing resistors respectively forming balancing discharging paths of cells connected in series to each other, a plurality of balancing switches respectively connected between the cells and the balancing resistors, and configured to control cell-balancing of each of the cells, a voltage-detecting circuit for detecting respective cell voltages of the cells, and a battery controller for acquiring respective balancing capacities of the cells based on the cell voltages, for obtaining duty cycles of the balancing switches according to the balancing capacities, and for scaling the duty cycles of the balancing switches according to a sum of duty cycles of two adjacent cells from among the cells.

Abstract: An electrolyte monitoring system is disclosed which has an interface module and a sensor assembly. The sensor assembly is attachable to an exterior wall surface of a battery cell for monitoring a level of an electrolyte within the battery cell. The sensor assembly may include an infrared (IR) sensor and a cradle. The IR sensor may be configured to communicate with the interface module and to detect when the electrolyte level within the battery cell drops below a predetermined level. The cradle is configured to be affixed to the exterior wall surface of the battery cell at a desired elevational position in relation to the electrolyte level in the cell. The cradle enables mounting and removal of the IR sensor from the cradle without an external tool.

Abstract: A device is disclosed for charging an electric vehicle. The device includes a plurality of electrical contacts, at least two of them coupled to a power supply, and each electrical contact of the plurality of electrical contacts is arranged for contacting a different contact surface of the electric vehicle. The device also includes a secondary contact forming a contact arrangement with one of the electrical contacts of the plurality of electrical contacts. The electrical contact and the secondary contact of the contact arrangement are arranged to contact the same contact surface of the vehicle.

Abstract: An apparatus for holding a circuit against a battery module includes a set of first fixtures for holding a set of first tabs of the circuit against a corresponding set of positive terminals of the battery module, a set of second fixtures for holding a set of second tabs of the circuit against a corresponding set of negative terminals of the battery module, and a rigid plate having a set of openings therein for receiving the set of first fixtures and the set of second fixtures, the rigid plate configured for mounting to a structure holding the battery module.

Abstract: A method of operating a control device includes performing an open load test or a current leakage test. The open load test includes activating a first current and then a second current and sensing with the first current and the second current activated, respectively, a first voltage drop and a second voltage drop between charge distribution pins and charge sensing pins of the control device. Respective differences are calculated between the first voltage drop and the second voltage drop sensed with the first current and the second current activated, respectively. These differences are compared with respective thresholds and an open circuit condition is declared as a result of the differences calculated reaching these thresholds.

Abstract: A battery module is provided including a battery module connector configured to engage with a backplane connector on a backplane board associated with an uninterruptible power supply (UPS). When the battery module connector is engaged with the backplane connector a circuit is completed that instantaneously indicates to the UPS that the battery module is connected. When the battery module connector is disengaged from the backplane connector the circuit is opened and instantaneously indicates to the UPS that the battery module is disconnected.

Abstract: A battery control method that calculates a boosting ratio for converters based on voltage values of batteries and a preset voltage value, and transmits the calculated boosting ratio to the converters is disclosed. The converters are configured to boost output voltages of the batteries based on the calculated boosting ratio, and a sum of the boosted output voltages is equal to the preset voltage value.

Abstract: A voltage supplier in one aspect of the present disclosure includes a first voltage generator, a second voltage generator, a first switcher, a second switcher, a first booster, and a second booster. The first booster boosts a voltage lower than a first switching drive voltage to thereby generate the first switching drive voltage, and supplies the first switching drive voltage to the first switcher on a first supply path. The second booster boosts a voltage lower than a second switching drive voltage to thereby generate the second switching drive voltage, and supplies the second switching drive voltage to the second switcher on a second supply path.

Abstract: One or more of the present embodiments provide for a suite of preset and customizable balancing applications that can be configured, selected and implemented to match the requirements a present use case. The suite of preset and customizable balancing applications may be presented to and selected by a user to tailor the balancing system to a particular use case. Alternatively, the balancing system may automatically select a balancing application, such as based on one or more inputs, to tailor the balancing system to the present use case.

Abstract: A recharging method and assembly to charge an electric vehicle comprising a battery pack including a plurality of storage batteries having a same nominal charge voltage, the battery pack being connectable to a recharging station adapted to provide a recharging voltage, which is greater than said nominal charge voltage. In a recharging mode, in which the recharging voltage deliverable by the recharging station is equal to or greater than the sum of the nominal charge voltages of the plurality of storage batteries, the storage batteries are connected in series to one another, so as to recharge the series of batteries with a recharging voltage greater than the nominal charge voltage.

Abstract: A battery cell management system includes a microcontroller having first and second applications and first and second memory buffers. The first and second memory buffers have first and second overvoltage fault bits, respectively, associated with a first battery cell. The first application sets a first encoded overvoltage fault indicator equal to a first fault value if the first overvoltage fault bit of the first memory buffer is equal to a first binary value. The first application receives a second encoded overvoltage fault indicator from the second application. The first application commands a digital input-output device to generate control signals to transition a contactor to an open operational state if either the first encoded overvoltage fault indicator is equal to the first fault value or the second encoded overvoltage fault indicator is equal to a second fault value.

Abstract: A battery management system (BMS) described herein determines the internal resistance for a cell that may have an internal short circuit. In one aspect, the BMS monitors the voltage across each of a plurality cells that are coupled in series. If the voltage across one of the cells differs from the voltages across the other cells, the BMS can flag the cell as potentially having an internal short circuit. Once flagged, the BMS can use a simulator that stores a model cell that has similar characteristics as the cells monitored by the BMS to determine the internal resistance of the flagged cell. In one aspect, the simulator changes the value of a surrogate resistor that is parallel with the model cell until the voltage across the model cell matches the voltage of the flagged cell. The value of the surrogate resistor indicates the internal resistance of the flagged cell.

Abstract: Provided is an electricity storage device testing method including: building a closed circuit by connecting an external power source to a charged electricity storage device such that the direction of voltage of the external power source is opposite from that of the electricity storage device; measuring a circuit current while applying to the closed circuit a voltage in an opposite direction from a voltage of the electricity storage device by the external power source; calculating a voltage to be output by the external power source, based on the value of the circuit current measured and a resistance value of the closed circuit. The output voltage of the external power source is changed according to a result of the calculation. A time interval at which the calculation is set to be shorter at an early stage and longer at a late stage of the measuring.

Abstract: A fall-off protection and reverse-connection protection system and method for a connecting clamp of an automobile starting power supply. The system has an internal battery, a switching circuit, an access device, a connecting clamp, an MCU control circuit, a voltage division circuit for external battery detection, an output connecting clamp current detection circuit and an anti-reverse-connection protection circuit. In the method, voltage conditions of an external power supply can be effectively detected and different operating actions are taken based on the voltage conditions of the external power supply, thus ensuring normal startup.