Abstract: A multi-voltage storage system for an at least partly electrically driven vehicle includes a first storage module and a second storage module having an identical rated voltage for storing electrical energy, wherein on-board consumers are connected to the second storage module at least with priority during a charging process, a heating apparatus for heating the storage modules, a switch unit which is designed to connect the first storage module and the second storage module in series for a charging process and in parallel for driving the vehicle, and a control unit, which is firstly designed to control the switch unit before and/or during a charging process such that the parallel connection of the first storage module and the second storage module is eliminated, and which is secondly designed, after elimination of the parallel connection, to activate the heating apparatus before and/or during the charging process.

Abstract: A mount that enables a smart home device or directional speaker to be selectively positioned so as to optimize audibility.

Abstract: An inductance component has a given value causing a time constant of a circuit composed of one of first and second routes in which an abnormality does not occur and a connection path connecting the first and second routes not to allow a voltage of one of loads disposed in the other one of the routes to decrease to less than a lower limit of an operating voltage of one of loads during a shut-off period, which starts from a time when it is determined by an abnormality determiner that an abnormality has occurred in any one of the first route and the second route to a time when an inter-route switch enters a switched off state upon receiving a switch-off command from a state controller.

Abstract: A secondary battery charging method that shortens charging time includes a step for introducing a plurality of battery cells onto an activation tray and CC-charging the battery cells; and a step for connecting the plurality of battery cells in parallel. The charging method according to the present invention shortens the time typically required for CV-charging by connecting battery cells in parallel after CC-charging, thus having the effect of replacing CV-charging.

Abstract: A system may comprise a vehicle having a frame. One or more rails may form at least a portion of the frame and the container is configured to provide torsional rigidity to the chassis. The system may comprise a container configured to be mounted to the one or more rails. A plurality of battery assemblies may be enclosed within the container. The system may comprise a power distribution unit (PDU) to which the plurality of battery assemblies are connected. The plurality of battery assemblies may be configured to provide power to at least one component of the vehicle via the PDU.

Abstract: A battery system and method may be shown and described. Two or more batteries may be connected in an identical configuration to an output device. The batteries may be controlled by a control unit or logic chip which may be configured to operate in two phases. In the first phase, the two or more batteries may be connected in series. In the second phase, the two or more batteries may be connected in parallel. Switches may be connected to the positive and negative terminals of the batteries to switch the configuration from series to parallel, and vice-versa. A control unit may switch between the two phases at any desirable frequency to produce a desired output voltage and amperage. The switching speed between the two phases may be any number of rotations per second.

Abstract: Example implementations include a charging device with a capacitor divider circuit including a plurality of battery state inputs operably coupleable to a plurality of battery devices, and a pulse width modulation (PWM) generator operable to selectively charge the battery devices, a plurality of switching transistors each operatively coupled at a gate terminal thereof to a respective PWM control output of a plurality of PWM control outputs, and a flying capacitor operatively coupled at a first terminal thereof to a first plurality of the switching transistors, operatively coupled at a second terminal thereof to a second plurality of the switching transistors.

Abstract: A controller, a system including such a controller, and a method for controlling discharging of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determine a respective discharge power or discharge share for each battery pack for maximizing objective function (J) of the plurality of battery packs defined in Equation (1). The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from the plurality of battery packs based on the respective discharging share and power of each battery pack and/or keeping a certain battery pack idle.

Abstract: In a power supply system for a watercraft, a controller in a first state connects a first electric circuit to a third electric circuit to supply electric power from a first engine battery to an electric device, and disconnects a second electric circuit from the third electric circuit to charge a second engine battery by a second generator. In a second state, the controller connects the second electric circuit to the third electric circuit to supply the electric power from the second engine battery to the electric device, and disconnects the first electric circuit from the third electric circuit to charge the first engine battery by a first generator.

Abstract: A secondary battery system of connecting secondary batteries includes first output-unit switches, second output-unit switches, series-connection switches, a positive-side discharging output unit connected to second terminals of the first output-unit switches, a negative-side discharging output unit connected to second terminals of the second output-unit switches, a positive-side charging input unit connected between a positive terminal of one of the secondary batteries at one end of the secondary batteries and a first terminal of one of the first output-unit switches associated with the one of the secondary batteries at the one end of the secondary batteries, a negative-side charging input unit connected between a negative terminal of one of the secondary batteries at the other end of the secondary batteries and a first terminal of one of the second output-unit switches associated with the one of the secondary batteries at the other end of the secondary batteries, and a control unit.

Abstract: An electronic apparatus may include: batteries; a charger configured to charge the batteries; a switch network electrically connected to the batteries; and a charging controller configured to control the switch network to change a connection relationship between the batteries and to control the charger to charge the batteries while the batteries are in the changed connection relationship.

Abstract: A battery system and method may be shown and described. Two or more batteries may be connected in an identical configuration to an output device. The batteries may be controlled by a control unit or logic chip which may be configured to operate in two phases. In the first phase, the two or more batteries may be connected in series. In the second phase, the two or more batteries may be connected in parallel. Switches may be connected to the positive and negative terminals of the batteries to switch the configuration from series to parallel, and vice-versa. A control unit may switch between the two phases at any desirable frequency to produce a desired output voltage and amperage. The switching speed between the two phases may be any number of rotations per second.

Abstract: A variable voltage charging system for a vehicle includes an alternator operatively connected to an engine and configured to alternately output at least a low charge voltage to charge a low voltage storage device and a high charge voltage to charge a high voltage storage device. A switch is configured to switch between connecting the alternator to the low voltage storage device and connecting the alternator to the high voltage storage device. A controller is configured to control operation of the alternator and the switch between at least a low voltage mode and a high voltage mode. In the low voltage mode, the alternator outputs the low charge voltage and the switch is connecting the alternator to the low voltage storage device. In the high voltage mode, the alternator outputs the high charge voltage and the switch is connecting the alternator to the high voltage storage device.

Abstract: There is provided a battery power pack and power tool system, including at least first and second power tools operational with a first voltage supply level and a second power voltage supply level respectively. The battery pack is selectively mechanically and electrically connectable with each of the said power tools to provide power thereto and the first power tool includes electrical connection means in a first configuration to provide the power from the battery pack for the operation of said first power tool at the said first voltage supply level and the second power tool includes electrical connection means in a second configuration to provide the power from the battery pack for the operation of said second power tool at the said second voltage supply level such that the same battery pack is used to supply different required voltage supply levels for the respective power tools.

Abstract: A battery system and a method include an auxiliary power module configured to support auxiliary loads. A first contactor switch connected between first and second battery packs, and a second contactor switch is in series with the first contactor switch. A controller determines whether to open or close first and second contactor switches depending on whether the battery packs are being charged in a high voltage mode or a low voltage mode. The contactor switches are both closed when in the high voltage mode and at least one of the contactor switches is opened when in the low voltage mode. At least one of the first and second battery packs operate to power the auxiliary power module while charging at least one of the first and second battery packs regardless of whether the battery packs are in the high voltage mode or the low voltage mode.

Abstract: A battery system, including multiple battery cells, each of which have respective battery cell housings with electrical terminals via which the multiple battery cells are electrically connected to one another, wherein a cell branch connecting the electrical terminals to a galvanic cell and a bypass branch for bridging the galvanic cell are arranged in each of the respective battery cell housings, each cell branch having a switching element for opening and closing the cell branch and each bypass branch having a bridging switching element for opening and closing the bypass branch.

Abstract: In order to easily detect a disconnection in a lowest-order voltage detection line when a voltage detection circuit for detecting the respective voltage of a plurality of serially connected cells is made redundant, the operation power supply of a first voltage detection circuit and a second voltage detection circuit is fed from both ends of a plurality of serially connected cells. The lowest node of the plurality of cells and the first voltage detection circuit are connected by the two lines of a voltage detection line and a negative power supply line. The lowest node of the plurality of cells and the second voltage detection circuit are connected by a single wire serving as both of a voltage detection line and a negative power supply line.

Abstract: A method and a device includes a first accumulator apparatus and a second accumulator apparatus. The device includes a control apparatus that is configured so as, depending on a first state of charge of the first accumulator apparatus and/or on a second state of charge of the second accumulator apparatus, to selectively either operate the first accumulator apparatus and the second accumulator apparatus in a series connection between a first terminal and a second terminal in order to supply power to a vehicle at a first supply voltage, or, in order to supply power to a vehicle by way of the second accumulator apparatus at a second supply voltage, to electrically disconnect the first accumulator apparatus from the first terminal and/or from the second terminal.

Abstract: A vehicle having an energy storage element including a drive inverter and a charging unit. The energy storage element further includes a first control apparatus, modules, an interconnection apparatus, and two first poles, the drive inverter is connected to said two first poles. Each modules of said modules has an energy storage unit. The interconnection apparatus has connections between the modules and first switches provided on the connections in order to allow different interconnections of the modules and different voltages at the first poles based on a state at the first switches. Different interconnections of the modules allow at least two interconnections from the group of interconnections. The first control apparatus is configured to actuate the interconnection apparatus based on a voltage setpoint value in order to influence the different voltages at the two first poles based on the voltage setpoint value.

Abstract: A battery arrangement for a motor vehicle includes a first electrical energy store, a second electrical energy store, a charging connection, and a supply connection. The arrangement further includes first through seventh switches. The battery arrangement is switchable into four operating states via respective opening and closing of the first through seventh switches.

Abstract: A power generation device is characterized in that: charging and discharging circuits constituted by a first DC power supply and a second DC power supply each comprising a DC power supply are connected to a capacitor circuit that is constituted by one capacitor and the other capacitor each comprising a single capacitor or a plurality of capacitors; the configuration of the capacitor circuit can be switched to a first mode circuit or a second mode circuit by an operation switch, said first mode circuit storing charge in both capacitors from the charging circuit via a high-voltage relay, said second mode circuit storing charge in only the one capacitor; and the connection configuration of the capacitor circuit in which charge is stored is switched to a series connection by a switching switch driven by a switching driving power supply constituted by the DC power supply to reduce the combined capacitance of the capacitor circuit, thereby supplying the increased charge to the discharging circuit via the high-volta

Abstract: The present disclosure proposes a detecting circuit and a display device. The detecting circuit includes a cell test circuit controlling signal line, a cell test circuit data signal line, an array test driving unit and an FET. The cell test circuit controlling signal line is connected to a gate of the FET. The cell test circuit controlling signal line is connected to a drain of the FET. A common signal is further connected to a source of the FET. By using the detecting circuit, a panel with a narrow bezel and low production cost can be realized.

Abstract: A power supply of a vehicle includes a first switching element, a second switching element, a third switching element, a first battery, a reactor element, a second battery, a smoothing capacitor, and a controller. When the connection state of the first battery and the second battery is switched from the series connection state to the parallel connection state, the controller is configured to perform a transition control so that a voltage of the smoothing capacitor is decreased to the higher of a voltage of the first battery and a voltage of the second battery, and perform a switching control to turn on the first switching element after a diode of the first switching element is energized.

Abstract: There are provided control systems and methods for charging batteries. For instance, there is provided a system for charging at least two batteries. The system can include a set of hardware associated with the at least two batteries, and the at least two batteries can be connected in series. Each battery from the at least two batteries can be associated with a subset of the set of hardware, and one subset of the set of hardware can be configured to control an associated battery independently from another subset of the set of hardware and its associated battery.

Abstract: An electrically powered vehicle includes electric power lines through which electric power supplied from external charger flows, an electric power storage device electrically connected to the electric power lines, a charging circuit electrically connected to the electric power lines, and an electronic control unit. The electric power storage device is configured to be charged with the electric power from the external charger. The charging circuit is configured to charge the electric power storage device in either a first state or a second state. The electronic control unit is configured to acquire charger information indicating information related to electric power to be suppliable from the external charger, generate the command by using the acquired charger information, and output the command to the charging circuit.

Abstract: A battery of a vehicle includes a housing including: a lower portion that includes a plurality of separators extending vertically upward from a floor of the lower portion; and an upper portion that covers an opening of the lower portion and that is removable from the lower portion. The battery also includes: first and second terminals on the housing; third and fourth terminals on the housing; a plurality of individually housed batteries separated by the plurality of separators; a plurality of switches configured to selectively connect ones of the plurality of batteries to ones of the first, second, third, and fourth terminals; and a battery management module configured to control the plurality of switches.

Abstract: A mobile power bank includes at least two cuboid modules including a control module and a battery module. The battery module includes a first telescopic element disposed on a first side, a first hole corresponding to the first telescopic element, a second telescopic element disposed on a sixth side, and second holes. The control module includes a first telescopic element disposed on a first side, a first hole corresponding to the first telescopic element and disposed on a second side, a power function element disposed on a sixth side, and second holes. The first telescopic element is electrically connected to the first hole in a pluggable manner. The second telescopic element is electrically connected to the second hole in a pluggable manner. The control module manages charging and discharging of the battery module accessed to the control module.

Abstract: The electric power storage device of an electric power storage system includes plural electric power storage bodies and a switching relay. The switching relay is capable of being switched between a first state where the plural electric power storage bodies are connected in series, and a second state where the plural electric power storage bodies are connected in parallel. The switching relay allows each of the plural electric power storage bodies to be electrically disconnected from the rest of the electric power storage bodies. The control unit controls the switching relay into the all-off state where the plural electric power storage bodies are electrically disconnected from each other, when the main relay is in an opened state.

Abstract: A charging pile system comprising a system input bus, charging pile circuit groups, a controller, a power allocation unit, and charging terminals. The power allocation unit comprises a first switch group, a second switch group, and a third switch group. The first switch group comprises first switching devices, the second switch group comprises second switching devices, and the third switch group comprises third switching devices. The first switching devices are coupled to respective output ends of the charging pile circuit groups so as to configure at least two idle charging pile circuit groups to be coupled either in series or in parallel to provide a first output. Each of the second switch group and the third switch group is configured to couple an input end of any of the charging terminals in series or in parallel to provide a second output to the charging pile circuit groups.

Abstract: An HV battery arrangement with a first HV battery unit that can be electrically coupled to a first HV onboard network part having a first drive unit of the motor vehicle, and with a second HV battery unit that can be electrically coupled to a second HV onboard network part having a second drive unit of the motor vehicle, wherein, between the first HV battery unit and the second HV battery unit, a switching device is arranged, by which the first and the second HV battery units can be connected in series and can be electrically disconnected from each other. The HV battery arrangement further has a control unit for actuating at least the switching device.

Abstract: A vehicle power supply system that includes an alternator; a first electrical storage device that is charged by the alternator; a power generator that generates power in conjunction with traveling of the vehicle; a second electrical storage device that is charged by the power generator; a charge path used to charge the second electrical storage device with power from the power generator; a first power feed path for feeding power to the actuator from the first electrical storage device; a second power feed path for feeding power to the actuator from the second electrical storage device; a third power feed path for feeding power to the control load from the first electrical storage device; a fourth power feed path for feeding power to the control load from the second electrical storage device; a first switch and a second switch.

Abstract: A storage system provides electrical power for driving a vehicle. The storage system has a first and a second storage module for storing electrical energy. The storage system includes a switching unit which is configured for connecting the first storage module and the second storage module in series for a charging operation and in parallel for driving the vehicle. The storage system includes a control unit which is configured to implement measures in order to reduce a difference between a state of charge of the first storage module and a state of charge of the second storage module in preparation for a parallel connection of the first storage module to the second storage module.

Abstract: The present invention includes self-contained, rechargeable power systems for areas having unreliable electrical grids or no electrical grid at all, and methods related thereto. The system may include one or more solar panels of various sizes to provide an off-grid power generation source, battery receivers for receiving batteries of various chemistries, and a control circuitry that is operable to detect the voltage and/or current output of the batteries that are installed in the system to determine their specific battery chemistry and then adjust the charge algorithm of the batteries to optimize both the charge capacity and the cycle life of the batteries. The control circuitry may also be operable to switch configurations of the solar panels and/or the batteries to optimize performance of the system. The system may be operable to power one or more light emitters and/or external electronic devices connected through the system by a charge port.

Abstract: The uneven charge and discharge from non-collocated batteries within an HMD can be solved by monitoring the DC current on the paths coupled to the first battery and the second battery and making an adjustment in the path resistance to equalize, or at least reduce, the difference between the currents on the two paths. Aspects of the technology described herein monitor current on paths from two or more non-collocated batteries. When the currents are different, resistance is dynamically added to the path with the higher current to equalize the current in the two paths. The monitoring and resistance adjustment can occur during discharge from a battery to a load and during battery recharge.

Abstract: In one embodiment, a method of forming a balancing circuit for a plurality of battery cells includes configuring the balancing circuit to selectively pre-charge a transfer element from a power source, and to subsequently selectively couple the transfer element to one battery cell of the plurality of battery cells to transfer energy from the transfer element to the one battery cell.

Abstract: An electronic device has a connecting unit configured to connect to an external device by cable and receive external power from the external device, and a control unit configured to execute a predetermined function using the external power. The electronic device logically determines a power supply capability of the external device connected to the connecting unit, and determines whether the external device is capable of power supply at the logically determined power supply capability. If it is determined that the external device is not capable of power supply at the logically determined power supply capability, a prohibited state in which the predetermined function cannot be executed using the external power is set to the control unit.

Abstract: A battery charging circuit can produce a pulsed charging current to charge a battery. During charging, without disconnecting the pulsed charging current from the battery, EIS measurements can be made. In other words, the pulsed charging current can serve double-duty, for battery charging and as a drive signal for the EIS measurements. The EIS measurements can be used to alter parameters of the pulsed charging current to improve battery life. In some instances, the parameters of the pulsed charging current can be momentarily changed for the purpose of making the EIS measurements, and then restored subsequent to making the measurements to parameters suitable for battery charging.

Abstract: An on-board electrical system for a motor vehicle is disclosed. The on-board electrical system has a low-voltage subsystem for at least one low-voltage load, and has a high-voltage subsystem for at least one high-voltage load, and has a starter generator, wherein the high-voltage subsystem is connected to the low-voltage subsystem by means of a coupling unit, wherein the on-board electrical system has a battery which has at least two battery units having individual voltage taps which are routed to the coupling unit. In this case, the coupling unit is designed such that, in a first operating state, the high-voltage subsystem is fed from all of the battery units and the low-voltage subsystem is fed from one battery unit, and, in a second operating state, the high-voltage subsystem is fed from one battery unit and the low-voltage subsystem is fed from at least one battery unit.

Abstract: A battery module comprising a plurality of chambers of a first type, a chamber of a second type, a plurality of chambers of a third type, at least one battery unit positioned in one of the plurality of chambers of the first type, and switching electronics positioned in the chamber of the second type. At least one of the plurality of chambers of the third type is positioned between one of the plurality of chambers of the first type and the chamber of the second type.

Abstract: The invention relates to a method for operating a battery system (1) comprising a plurality of battery cells (8) and a battery management system for monitoring and controlling the battery cells (8), wherein the battery management system has a main controller (2) and a first measurement chain (34) and a second measurement chain (36) with in each case a plurality of measurement chips (40, 42) which are designed to redundantly detect measurement data from the battery cells (8) and in each case to carry out diagnoses and state of charge compensation of the battery cells (8).

Abstract: A battery of accumulators including a plurality of power storage cells and an electrical network which connects the cells to one another. The cells are grouped together in composite cells including two identical branches each including at least one cell and the composite cells being connected in series to one another. The electrical network includes: a mechanism for parallel or connection in series of the cells of each composite cell, and a mechanism for controlling the connection mechanism, which is configured to connect the cells of each composite cell in parallel or in series to adapt an output voltage of the battery of accumulators to a desired value and to balance charging states of the cells.

Abstract: To provide a constant current charging device capable of shortening a total charging time of a secondary battery even if an internal impedance of the secondary battery becomes high. A constant current charging device is provided which is equipped with a charging completion voltage detector, a battery voltage drop detector, an up-down counter which adds data when the up-down counter receives a detection signal of the charging completion voltage detector, subtracts the data when the up-down counter receives a detection signal of the battery voltage drop detector, and outputs the subtracted data, and a constant current generating circuit which switches a charging current to a secondary battery according to the data outputted from the up-down counter.

Abstract: There is provided a balancing device that equalizes voltages between storage cells of a battery composed of a plurality of series-connected storage cells or voltages between electrical storage modules composed of a plurality of series-connected storage cells of the battery. The balancing device equalizes voltages between the energy storage modules by transferring electric power between the electrical storage modules through an element to which all of the electrical storage modules are connected, the transferring being realized by on-off control of current supply to each of the electrical storage modules, the on-off control being performed with a first duty cycle. Further, the balancing device introduces a period in which the on-off control is performed with a second duty cycle, the second duty cycle being different from the first duty cycle.

Abstract: An accumulator battery system includes series-connected accumulators with potentials across stages powering corresponding controllers that measure potential differences between terminals of accumulators. A first analog-to-digital converter encodes the potential measured between terminals of an accumulator. A first output delivers a first digital sequence corresponding to the encoded potential difference, logic levels of which are defined by at least two potentials across the first-stage accumulator terminals. A decoder decodes a potential measured by the first control-device from the first digital sequence. A second analog-to-digital converter selectively encodes a potential difference measured between terminals of a second-stage accumulator of the second stage and two potentials of the digital sequence received on the input.

Abstract: Energy transmission device, notably a battery or energy generating device, having (i) at least one module (20) arranged within a casing (25), with a plurality of independent electrical power links (27, 29) and blocks, each having at least one first electrical power link (27) connected to a pair of connectors (A1, B1) to connect to a connector of a second module, a plurality of cells (21) connected to this first link (27), allowing these cells (21) to be connected to external components by the connectors (A1, B1), and switches (24) to modify the link between cells (21) of the block, (ii) a connection component (57) allowing electrical connection of a plurality of independent links (27, 29) of the at least one module (20), and (iii) a plurality of output connectors (A1, A2; A1; CP) allowing polyphase electrical linking of the energy transmission device to an outer component.

Abstract: A plurality of batteries is printed on a flexible substrate, where each battery may output the same voltage, such as about 1.5 volts. Batteries in a first subset are connectable in parallel by controllable switches to control the maximum current that can be delivered to a load. Batteries in a second subset are also connectable in parallel by additional controllable switches to control the maximum current that can be delivered to the load. Another group of switches can either connect the two subsets of batteries in series, to generate 3 volts, or connect the subsets in parallel to increase the maximum current. Additional subsets of batteries and their associated switches may be further connected to increase the voltage and current. The power supply may be standardized and configured by the user for a particular load, such as a sensor for a medical skin patch.

Abstract: An electrical connection system that connects and disconnects a plurality of supply circuits. More specifically, a connection system that can quickly connect two or more batteries in series or in parallel by connecting a wire bridge system to two or more mated battery side connectors. Alternatively, the connection system can quickly connect a plurality of devices to one battery connection point by connecting a multi-device connector to a mated battery side connector.

Abstract: An apparatus comprising a first rectifier, wherein an output of the first rectifier is coupled to a first terminal, a second rectifier, wherein an output of the second rectifier is coupled to a second terminal, a first electronic switch configured to selectively route an alternating current (AC) signal to the first rectifier or the second rectifier, an inverter configured to operate in the event that the first electronic switch does not receive the AC signal to receive a direct current (DC) signal, and convert the DC signal to a second AC signal, a second electronic switch configured to selectively route the DC signal from the first terminal or the second terminal to the inverter, and a third electronic switch configured to selectively route the second AC signal to the first rectifier or the second rectifier.

Abstract: The invention relates to a method for charging energy storage cells of an energy storage device with a plurality of energy storage modules which are connected in series in an energy supply line, each energy storage module comprising an energy storage cell module which has at least one energy storage cell and comprising a coupling device with coupling elements. The coupling elements are designed to selectively connect the energy storage cell module in the energy supply line or to bridge the energy storage cell module.

Abstract: A device and method of use directed to providing various voltages based on the voltage selection by the user for various applications. In one embodiment, the device is comprised of two or more 12 volt batteries coupled in a manner that allows the voltage output of the device to be modified by allowing each battery to change from in parallel to in series with a switching device. In another embodiment, the switching device may control all batteries, there may be more than one switching device whereby a switching device may control one or more batteries, or each battery may have its own switching device to determine which state the battery is in.