Abstract: A charging system includes: a charge port that receives shore power; a DC-to-DC converter or a motor inverter circuit; switches that connect the charge port and the DC-to-DC converter or the motor inverter circuit to battery packs; and a control module. The control module: determines open circuit voltages or states of charges of the battery packs; based on the open circuit voltages or the states of charges of the battery packs, determines whether to connect at least one of the battery packs to the charge port, the DC-to-DC converter, and the motor inverter circuit; and based on the determination of whether to connect at least one of the battery packs, control states of the switches to charge the at least one of the battery packs by selectively connecting the at least one of the battery packs to (a) the charge port, or (b) the DC-to-DC converter or motor inverter circuit.

Abstract: The present invention provides a screening method for rechargeable battery cells. A predetermined target capacity 2%˜10% or a charging voltage lower than a nominal voltage of the rechargeable battery cells is adopted to charge the rechargeable battery cells, when approaching fully charged, observing the holding currents for each rechargeable battery cells and then screening the rechargeable battery cells based on the holding currents.

Abstract: A battery management apparatus according to the present disclosure includes a memory to store a charging sequence table that records a correspondence relationship between first to mth temperature ranges, first to mth SOC lists and first to mth current lists, a sensing unit to detect a voltage, a current and a temperature of a battery, and a control unit. Each of the SOC lists defines first to nth SOC ranges. The control unit determines a current SOC of the battery based on the detected voltage and the detected current. The control unit determines a temperature range of interest, a SOC list of interest and a current list of interest based on the detected temperature. The control unit determines a remaining charging time required to charge the battery to a target SOC based on the detected current, the current SOC, the SOC list of interest and the current list of interest.

Abstract: Example devices and techniques are described herein for determining a relative state-of-charge of a battery. An example device includes memory, a battery, a temperature sensor and processing circuitry coupled to the memory and the temperature sensor. The temperature sensor may be configured to sense a battery temperature. The processing circuitry may be configured to estimate an end-of-discharge state-of-charge of the battery. The processing circuitry may be configured to estimate a remaining capacity of the battery. The processing circuitry may be configured to estimate a full charge capacity of the battery. The processing circuitry may be configured to estimate a relative state-of-charge of the battery and generate a representation of the estimate of the relative state-of-charge of the battery for output.

Abstract: A server includes a processor configured to: acquire user schedule information indicating an action schedule of a user and other person schedule information indicating an action schedule of another person associated with the user; estimate, based on the user schedule information, a power amount for a moving object that the user is allowed to use, the moving object including a rechargeable secondary battery; and control a charging device to charge the moving object based on the power amount and the other person schedule information.

Abstract: A method for estimating or predicting an internal battery state of at least one battery unit within an electric energy storage system, such as in a vehicle. The method includes obtaining operational data of the electric energy storage system relating to operating conditions of the electric energy storage system, feeding the obtained operational data to a non-linear state observer adapted to estimate and/or predict the internal battery state of the at least one battery unit in a series of time steps, such that an observer error of the non-linear state observer converges towards zero, or towards a value close to zero, based on at least the obtained operational data, estimating or predicting the internal battery state using the non-linear state observer.

Abstract: A system and method determine (a) thermal characteristics of an energy storage apparatus that supplies electric current to one or more vehicular loads for powering the one or more vehicular loads and/or (b) electrical characteristics of the energy storage apparatus or the one or more vehicular loads. The system and method determine whether operation of the energy storage apparatus indicates that the energy storage apparatus is unexpectedly heating or unexpectedly cooling and identifying a fault in the energy storage apparatus responsive to determining that the energy storage apparatus is unexpectedly heating or unexpectedly cooling.

Abstract: An auxiliary power supply includes an auxiliary power storage configured to store power that is input to the auxiliary power supply and a control circuit, wherein the control circuit is configured to charge, for a reference time amount after the power is input to the auxiliary power supply, the auxiliary power storage by a first current source having a preset peak current level, determine, after the reference tune amount, that the auxiliary power supply is in a slow charging state when a voltage level that is charged to the auxiliary power storage by the first current source for the reference time amount is lower than a reference voltage level, and increase, in response to the slow charging state, the peak current level to charge the auxiliary power storage by a second current source having the increased peak current level that is greater than the preset peak current level.

Abstract: A charging system for charging an electric vehicle battery, including a charging inlet connected to an external direct current (DC) charging station providing a predefined charging inlet voltage, a battery having a nominal voltage of 400V or 800V connected to the charging inlet, the battery including two 400V-battery units, and a voltage outlet, the voltage outlet supplying an output voltage to an auxiliary component connected to the voltage outlet having a nominal voltage corresponding to the nominal voltage of the battery, a DC/DC converter converting the charging inlet voltage into the nominal voltage of the auxiliary component, and at least three circuit breakers being arranged to connect the two 400V-battery units to form a charging circuit having a nominal charging voltage corresponding to the supplied charging inlet voltage and/or to selectively integrate the DC/DC converter into the charging circuit to provide the auxiliary component with the nominal voltage during charging.

Abstract: An automated storage and retrieval system includes a rail system, at least one vehicle operating on the rail system, at least one charging station on or at the perimeter of the rail system, and a control system. The rail system includes a first set of parallel rails extending in a first direction and a second set of parallel rails extending in second direction. The second direction is perpendicular to the first direction. The at least one vehicle includes at least one power storage source, and a local controller adapted to control movements of the at least one vehicle. The at least one charging station is adapted to be electrically connected with the at least one power storage source of the at least one vehicle. The control system is adapted to communicate with the local controller in the at least one vehicle and the at least one charging station.

Abstract: A method for temperature control of a traction battery includes predefining a target temperature which the traction battery should have at the end of a journey and upon arrival at a fast-charging station; predicting a temperature which the traction battery will have at the end of the journey and upon arrival at the fast-charging station; determining a temperature difference between the target temperature and the predicted temperature; predefining a temperature control specification for temperature control of the traction battery during the journey of the motor vehicle to the fast-charging station in accordance with the determined temperature difference, so that the target temperature prevails upon arrival at the fast-charging station; and controlling the temperature of the traction battery according to the predetermined temperature control specification during the journey of the vehicle.

Abstract: An embodiment of this application provides a charging test apparatus and method, where the charging test apparatus includes: a first USB interface, a second USB interface matching the first USB interface, a plurality of conductive paths, and a control module, where the first USB interface is configured to connect to an electronic device, and the second USB interface is configured to connect to a charger. The control module is separately electrically connected to each conductive path, and is configured to control connection and disconnection of each conductive path based on a preset on/off time parameter, where the preset on/off time parameter is used to determine a connection start moment of each conductive path. The charging test apparatus provided in this application can improve efficiency of a charging test.

Abstract: A battery system includes: at least two battery packs; a plurality of first relays, each first relay being connected to a respective one of the at least two battery packs; and an auxiliary battery, a first battery pack among the at least two battery packs with a highest voltage is discharged to the auxiliary battery through the first relay connected to the first battery pack so that a voltage of the first battery pack approaches a voltage of another battery pack, a second battery pack with a lowest voltage is charged by the auxiliary battery through the first relay connected to the second battery pack so that the voltage of the second battery pack may approach the voltage of the another battery pack, and the at least two battery packs are connected in parallel.

Abstract: In a calculation system, a data acquisition unit is configured to acquire operation data of a battery, the operation data including at least voltages and currents measured by a management device at a plurality of time points, and states of charge (SOCs) estimated based on at least one of the voltages and the currents, the management device being configured to manage the battery. An extraction unit is configured to, extract, as sample data, a set of an SOC and a voltage from sets of the SOCs and the voltages the plurality of time points included in the operation data in a period in which the battery is regarded as resting, the period being specified based on the currents. An estimation unit is configured to estimate an SOC-open circuit voltage (OCV) characteristic of the battery based on the extracted sample data.

Abstract: The present disclosure provides a circular stapler. The circular stapler includes a stapling head assembly, an anvil detachably attachable to the stapling head assembly, and a handle assembly. The handle assembly includes a handle controller, a connector, and handle transceiver configured to wirelessly transmit a first signal to an external hub. The handle transceiver is separated from the handle controller and is in electrical communication with the handle controller via the connector.

Abstract: Systems and methods for energy management of hybrid electrical systems are discussed herein. In certain embodiments, a system includes one or more generators configured to provide generator electric power. The system also includes one or more batteries configured to provide stored electric power. Further, the system includes one or more generator controllers using a state of charge for the one or more batteries, wherein the one or more generator controllers control a combination of the generator electric power and the stored electric power provided to one or more loads according to a plurality of modes, wherein multiple modes of the plurality of modes are based on one or more parameters of the one or more batteries.

Abstract: The present disclosure provides novel and improved information processing apparatus, information processing method, and program with which it is easy for a user to predict a future remaining battery amount. According to the present disclosure, there is provided an information processing apparatus including a control unit that performs control to calculate a future prediction value of remaining battery amount on the basis of a use history of an information processing apparatus by a user and to present prediction value related information related to the prediction value to the user. According to the present disclosure, the user can easily predict the future remaining battery amount. Note that the effects described above are not necessarily limitative. With or in the place of the above effects, there may be achieved any one of the effects described in this specification or other effects that may be grasped from this specification.

Abstract: A wearable medical device comprising monitoring circuitry to monitor one or more patient parameters of a patient and defibrillation circuitry to provide one or more defibrillation shocks to the patient responsive to a control signal from the monitoring circuitry. The defibrillation circuitry comprises a defibrillation capacitor to provide energy for the one or more defibrillation shocks. The wearable medical device also comprises a power source to provide power to the monitoring circuitry and the defibrillation circuitry. The power source comprises a low current power source (LCPS) to provide power to the monitoring circuitry, and a high current power source (HCPS) to provide power to the defibrillation circuitry.

Abstract: A diagnostic system for a secondary battery includes a ripple current circuit configured to apply a ripple current of a predetermined frequency to the secondary battery, a strain gauge configured to acquire strain of the secondary battery in association with the application of the ripple current of the predetermined frequency, and an electronic control unit configured to diagnose whether or not the secondary battery is a regular product.

Abstract: A system for managing a vehicle battery that is chargeable/dischargeable and stores energy for driving a vehicle driving motor is disclosed. The system for managing a vehicle battery as disclosed includes a controller that measures a voltage of each of a plurality of battery cells in a vehicle battery when a voltage applied to the vehicle battery is constant, and determines whether the plurality of battery cells is abnormal based on a deviation between the measured voltages of the plurality of battery cells.

Abstract: Through-the-road (TTR) hybrid designs using control strategies such as an equivalent consumption minimization strategy (ECMS) or an adaptive ECMS are implemented at the supplemental torque delivering electrically powered drive axle (or axles) in a manner that follows operational parameters or computationally estimates states of the primary drivetrain and/or fuel-fed engine, but does not itself participate in control of the fuel-fed engine or primary drivetrain. BSFC-type data particular to the paired-with fuel-fed engine allows an ECMS implementation (or other similar control strategy) to adapt to efficiency curves for the particular fuel-fed engine and to improve overall efficiencies of the TTR hybrid configuration.

Abstract: Operational instability is prevented without compromising the state transition speed. A mask control circuit is a circuit which generates a mask signal masking a control signal during a period in which a voltage level of a monitoring target terminal to be monitored is transitioning. The mask control circuit includes: a first input port which receives a signal supplied to the monitoring target terminal; a second input port which receives a signal representing the voltage level of the monitoring target terminal; a logic circuit which determines whether the voltage level of the monitoring target terminal is in transition based on signals received from the first input port and the second input port; and an output port which outputs a signal indicating a determination result of whether the voltage level of the monitoring target terminal is in transition as the mask signal.

Abstract: A charging control apparatus of an embodiment includes a history acquiring section that acquires history information indicating a usage situation and a charging situation of a battery; a pattern determining section that determines a charging period pattern that most closely resembles a charging habit of a user based on the history information; a display control section that controls a display section to display a charging end SOC, charging start SOC, and tolerable lower limit SOC corresponding to the determined charging period pattern in the display section; and a charging control section that, if a setting is changed in a manner to lower the charging end SOC according to a manipulation by the user, controls the battery to be charged based on the charging end SOC resulting from the change.

Abstract: The invention relates to a method that consists to give a second life to used electric vehicle battery packs by reusing them as a power source for an autonomous battery charger, preferably for a mobile battery charger. The method includes successive steps consisting in: a) selecting, among battery packs that have been removed from electric vehicles, at least two battery packs; b) balancing the voltage between the selected battery packs, in order that the selected battery packs have the same State Of Charge (SOC); and c) integrating the selected battery packs (11, 12) into the battery charger.

Abstract: A prediction system includes a charger and an estimation apparatus, and performs a method of predicting capacity degradation of a secondary battery. The estimation apparatus obtains changes of a plurality of parameters of capacity degradation, based on a fitting operation of fitting, to a target-battery charge curve of a target battery, reference data of the target battery or a battery of the same type as the target battery. Further, the estimation apparatus identifies a degradation change point where the degradation speed of the maximum battery capacity becomes high as a result of increase of the usage degree of the target battery, based on the plurality of obtained parameters.

Abstract: A system for monitoring and analyzing electrical operating parameters of a load in an electric network includes a smart socket placed in series between the load and the electric network. The smart socket includes a voltage detection module that measures a voltage value in the electric network between the ends of the load, a current detection module in the electric network that measures a current value adsorbed by the load, and a control unit connected to the voltage detection module and to the current detection module. In particular, the control unit comprises a neural network arranged to carry out a training comprising the steps of definition of a number n of events association, to each event Ei of a number mi, of patterns pij of predetermined current and/or voltage trends, extrapolation of characteristic parameters cik distinguishing the pattern pij associated with the classified event Ei.

Abstract: A working machine includes a work attachment connection arrangement configured to operationally connect to the working machine a work attachment provided with a work tool; and a control system configured to control the operation of the working machine and to control the operation of the work attachment. The working machine further includes: at least a first electric motor; a first rechargeable battery; an electric power circuit connecting the first electric motor and the first rechargeable battery, wherein the work attachment connection arrangement includes a first electrical connector, wherein the first electric connector is configured to be connected to a corresponding electrical connector connected to an auxiliary rechargeable battery.

Abstract: A marine propulsion system includes a marine propulsion unit, a first battery for a starter of an engine, a second battery for an electric motor, a third battery for at least one of a plurality of devices in or on a marine vessel excluding the starter and the electric motor, and a charge amount acquisition controller configured or programmed to perform a control to acquire a charge amount of at least one of the first battery, the second battery, or the third battery based on a first power supplied from a power source to the first battery, the second battery, and the third battery, and a second power supplied from the first battery, the second battery, and the third battery to devices in or on the marine vessel.

Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.

Abstract: The present invention relates to the technical field of battery charging, and proposes a battery charging management method and device, comprising: before charging a battery to be charged, obtaining an active handshake signal of the battery to be charged; self-checking the battery to be charged according to the active handshake signal to determine whether the battery to be charged is working normally; when the battery to be charged is working normally, determining a corresponding charging model to charge the battery to be charged. In the present invention, before charging the battery to be charged, an irregularity check is given to the battery to be charged, charging is done when the battery to be charged is working normally and potential safety hazard is avoided.

Abstract: A measuring arrangement for secondary alkaline solid electrolyte batteries comprising—two electrically non-conductive cell body halves, both cell body halves comprising at least one and one cell body half comprising at least three feedthroughs, both cell body halves forming a receiving space for receiving a solid electrolyte battery cell comprising at least an anode, a cathode and a solid electrolyte. An electrically conductive holding element for each feedthrough; an electrical contact element for each support element, the electrical contact element being adapted to change its length in response to the force applied to the element; and two planar current conductors comprising electrically conductive and electrically non-conductive regions, at least one of the current conductors being adapted to form at least three separate electrically conductive connections between the contact elements and an electrode of the solid electrolyte battery cell.

Abstract: An electronic device includes a battery module, a power supply, a power controller, and a processor. The power controller obtains an initial battery capacity of the battery module and a current time when the power supply is connected to an external power supply. The processor sets a preset target battery capacity and a charging completion time, obtains a charging battery capacity according to the preset target battery capacity, the initial battery capacity and a charging time interval, calculates a calculated battery capacity-time-ratio according to the charging battery capacity and the charging time interval, converts the calculated battery capacity-time-ratio into a charging battery capacity, and transmits it to the power controller. The power controller converts the supplied power to a charging voltage or a charging current correspondingly according to the charging battery capacity, to charge the battery module to the preset target battery capacity by a charging end time.

Abstract: A battery system for an electric vehicle includes a first battery module with a first heater and a second battery module with a second heater. The battery system also includes a control system configured to selectively activate the first or the second heater to dissipate energy from the first or the second battery module.

Abstract: Method and system embodiments for controlling power provided to a device implantable in a subject are described. In some embodiments, a method is performed at the implantable device to receive, from an interrogator, powering ultrasonic waves having a wave power. Then, energy from the powering ultrasonic waves is converted into an electrical signal to power the implantable device. Information that indicates whether more power or less power should be transmitted to the implantable device is transmitted to the interrogator.

Abstract: The present disclosure provides a portable standby starting device for a vehicle. The portable standby starting device includes a battery circuit, a load access detecting circuit, and a vehicle starting circuit, wherein the battery circuit is coupled to the load access detecting circuit and the vehicle starting circuit, and is configured to supply power to the load access detecting circuit and the vehicle starting circuit; the load access detecting circuit is coupled to the vehicle starting circuit, and is configured to detect whether the vehicle starting circuit is connected to a vehicle load; the vehicle starting circuit is configured to, when the load access detecting circuit detects the connection of the vehicle load, output a vehicle starting current for controlling an ignition operation performed for the vehicle.

Abstract: A battery safety management procedure applicable to a battery safety management system is provided. The battery safety management system includes a controller, storage, and battery. The battery safety management procedure is stored in the storage and executed by the controller to perform steps of: determining whether a power level of the battery is greater than or equal to a power level threshold and determining whether a power storage time is greater than or equal to a time threshold; and performing a discharging procedure when the power level of the battery is greater than or equal to the power level threshold, and the power storage time is greater than or equal to the time threshold. Time control and power level control prevents the battery from being in a prolonged state of high power level to reduce the chance of battery swelling, leaks, abnormalities, and damage, thereby extending battery service life.

Abstract: An embodiment charging integrated controller includes a plurality of inlets respectively engaged with a plurality of chargers by a charging coupler, a plurality of controllers, wherein each of the plurality of controllers is configured to determine a communication frequency occupied band of one inlet among the plurality of inlets based on a communication frequency occupied band of another inlet among the plurality of inlets, and a plurality of communication circuits configured to exchange information about a charging entry step of charging a high-voltage battery device through frequencies determined by the plurality of controllers.

Abstract: Provided is an ESS charging/discharging schedule management device, and in particular, to an ESS charging/discharging schedule management device which maintains the charging/discharging efficiency of an energy storage device and minimizes an equalized discharge amount during a maximum load time period, thereby preventing a decrease in a customer baseline load which is a baseline for power demand response bidding.

Abstract: Software and/or hardware to monitor system usage including how long system ran on a battery or with AC adapter power. The software and/or hardware judges whether fast charging is needed and/or how much charge is needed, and optimizes battery charging settings.

Abstract: A device, such as a power tool, configured to receive a battery pack that is operable to determine a type of battery pack that is attached to the device. When the battery pack is connected to the device, the device is configured to determine an impedance of the battery pack. Based on the determined impedance of the battery pack, the device is capable of detecting the particular type of battery pack that has been attached. In some embodiments, the device is configured to be controlled based on the type of battery pack that has been detected by the device.

Abstract: A storage battery device includes: a cell unit including a plurality of battery cells; an electric flow path material that forms a current path through which electric power is supplied from or to the battery cells; and a radiator thermally coupled to the current-path member.

Abstract: A degraded state estimation apparatus configured to estimate a degraded state of a battery mounted on a vehicle includes a detector, a storage, and an estimation processor. The detector detects state quantities including first, second, and third state quantities. The storage holds a maps of data including first and second maps of data. The first map of data indicates a degree of degradation of the battery based on the first and second state quantities. The second map of data indicates the degree of the degradation based on the second and third state quantities. The estimation processor estimates an amount of change in the degradation of the battery on the basis of the state quantities detected repetitively by the detector, the maps of data, and weighting coefficients each of which weights the degree of the degradation indicated by a corresponding one of the maps of data.

Abstract: According to the present invention, by defining charge process-related messages exchanged between an electric vehicle, a supply equipment, and a power grid, it is possible to establish an efficient billing policy for each charging time, and further it is possible to efficiently operate the power grid. Also, it is possible to provide credit or incentive to a vehicle user and an operator of a supply equipment that participate in CO2 emission regulation.

Abstract: A power conversion circuit includes a high-side switch and a low-side switch connected in series with one another and configured to control a load current flowing through a load, wherein at least one of the high-side switch and the low-side switch comprise a power relay circuit for switching the load current, and wherein the power relay circuit comprises a micro-electro-mechanical system switch, and a semiconductor power switch, wherein the MEMS switch and the semiconductor power switch are connected in series with the load.

Abstract: A battery unit for a flavor inhaler includes a chargeable and dischargeable power supply, a connector capable of electrically connecting to an external charger, and a controller configured to perform control regarding at least the power supply, wherein the controller detects an abnormality based on a charging time period required for a value related to a remaining amount of the power supply to reach a second predetermined value from a first predetermined value during a charging process of the power supply.

Abstract: A battery charge and discharge protection method is to be implemented by a battery charge and discharge protection device, and controls power transfer to a load device based on results of detections of whether each of two batteries is correctly installed or reversely installed and whether each of the batteries is rechargeable or non-rechargeable. When any one of the batteries is reversely installed, power transfer from the batteries to the load device is disabled. When both of the batteries are correctly installed, the batteries are connected in parallel if they are both rechargeable and in series if they are both non-rechargeable, and power transfer from the batteries to the load device is enabled.

Abstract: Example techniques related to battery-powered playback devices. In an example, a first battery-powered playback device (i) receives audio content from a network device, (ii) forwards the audio content to a second playback device for synchronous playback of the audio content with the second playback device, (iii) plays back the audio content, (iv) detects that a battery level of a battery of the first playback device has fallen below a predefined threshold, and (v) ceases the forwarding of the audio content. After the battery level of the first playback device has fallen below the predefined threshold, the second playback device (i) receives the audio content from the network device, (ii) forwards the audio content to the first playback device for synchronous playback with the first playback device, and (iii) plays back the audio content in synchrony with the first playback device.

Abstract: Disclosed is a method of communicating between an electric vehicle, a supply equipment, and a power grid, which is performed by an electric vehicle communication controller of the electric vehicle, the method including operations of transmitting a message related to the charge schedule including a mileage input by a vehicle user through a human-machine interface and the amount of energy charge calculated according to the mileage to a supply equipment communication controller of the supply equipment and to a power grid communication controller of a power grid operation server via the supply equipment communication controller, receiving a message related to a charge cost calculated according to the charge schedule as a charge cost to be paid to the supply equipment from the supply equipment communication controller, transmitting an authorization message for the charge cost to the supply equipment communication controller, and exchanging a message indicating that charging is ready with the supply equipment commu

Abstract: A method for improving the availability of an energy storage or transformation, EST, system of a vehicle. The method comprises providing an EST system model of coupled EST components of the EST system, identifying a fault or error in an EST condition parameter of the EST system, estimating an output value of the EST condition parameter based on the EST system model, identifying a vehicle situation which, in case of an at least temporary lack of operability of the EST system, belong to a predetermined group of vehicle situations defined as hazardous, and in response to identifying the vehicle situation belonging to the predetermined group of vehicle situations defined as hazardous, operating the EST system despite the fault or error in the EST condition parameter using the estimated output value of the EST condition parameter based on the EST system model.

Abstract: A lithium secondary battery pack of the present invention includes: a lithium secondary battery including an electrode body formed of a positive electrode and a negative electrode facing each other and a separator interposed therebetween, and a non-aqueous electrolyte; a PTC element; and a protection circuit including a field effect transistor. The lithium secondary battery has an energy density per volume of 450 Wh/L or more, the lithium secondary battery has a current density of 3.0 mA/cm2 or less, and a relational expression (1) and a relational expression (2) below are established where A (m?) is an impedance of the lithium secondary battery and B (m?) is an impedance of the entire circuit unit of the lithium secondary battery pack excepting the impedance A (m?) of the lithium secondary battery: A?50 m???(1) B/A?1??(2).