Abstract: A multifunctional data mobile power supply (01) and a charging method thereof are provided. The power supply includes a gear selection switch (02), a main control chip (03), a mobile power supply module (04) and an interface module (05). The gear selection switch is configured to select different operation modes for executing by an opening and/or closing operation. The main control chip is configured to detect a gear selection signal of the gear selection switch, and after the charging mode is selected, send an operation command to the mobile power supply module. The mobile power supply module is configured to charge an intelligent mobile terminal which the interface module is connected with after receiving the operation command. The interface module is configured to connect with the external device.

Abstract: A power supply device includes a power supply, a conversion module, and an electric current sensor, and circuitry. The power supply is to output a voltage that varies in accordance with an amount of electric power output from the power supply. The conversion module includes voltage converters electrically connected in parallel to convert the voltage to a target voltage. The electric current sensor is to detect current supplied from the power supply to the conversion module. The circuitry is configured to determine a number of operating voltage converters among the voltage converters, which are to actually convert the voltage, based on the current detected by the electric current sensor, the voltage, and a representative voltage representing a target range within which the target voltage is included.

Abstract: A hybrid energy system for providing power to a load and for providing a fast variation of DC link voltage to improve system efficiency is disclosed. The system includes a load, a direct current (DC) link electrically coupled to the load, an energy storage system having a first energy storage device and a second energy storage device arranged in series, and a bi-directional DC-DC converter electrically coupled to the DC link and to the energy storage system, the bi-directional DC-DC converter being connected to a node located between the first energy storage device and the second energy storage device and to a node connecting the second energy storage device to the DC link.

Abstract: The present invention discloses an electronic device charger, mainly comprising: a voltage converting module, a microprocessor, a low voltage detecting unit, and an over voltage sensing unit. When a rated output voltage of a vehicle battery of an electric vehicle is detected to be lower than a first threshold voltage by the low voltage detecting unit or found to be higher than a second threshold voltage by the over voltage sensing unit, the microprocessor immediately stops the vehicle battery providing electrical power to at least one portable electronic device owned by the driver of the electric vehicle. Therefore, the electronic device charger can not only save the energy of the vehicle battery while the vehicle battery is at a low voltage state, but also protect the portable electronic devices from being damaged by the electrical power as the rated output voltage of the vehicle battery exceed a normal voltage level.

Abstract: A voltage quality module (VQM) function and a solar power generation function are integrated by sharing a single voltage converter (VC) within the electrical system of an automotive vehicle with an electric-start internal combustion engine. The cost of adding solar power generating capabilities to vehicles, the packaging complexities of the systems, and the number of added components are all decreased. The VC can be a DC-DC converter in a boost mode or a buck mode. A switching circuit selectably couples the VC between a main battery and an accessory bus or to between a solar panel and an auxiliary battery. A VC controller regulating a VC output using the main battery to stabilize an accessory bus voltage when in an engine crank mode and otherwise regulating the VC output to match an auxiliary battery voltage using the solar panel output.

Abstract: A positive electrode potential and a negative electrode potential during charge or discharge of a secondary battery are determined, based on potentials of a positive electrode and a negative electrode in an open circuit state corresponding to a SOC of the secondary battery, and internal resistances of the positive electrode and the negative electrode corresponding to the SOC of the secondary battery, and a current of the secondary battery is controlled such that the positive electrode potential and the negative electrode potential fall within a predetermined range.

Abstract: Provided are a control unit having a first control state in which a first switching element and a second switching element of one series circuit are turned on and a second control state to which the first control state shifts and in which a first switching element of another series circuit and the second switching element of the one series circuit are turned on, and executing control so as to apply predetermined voltage to the other side of a transformer during a predetermined time period during the first control state before shifting to the second control state.

Abstract: The invention relates to an arrangement (10) for balancing the battery cells (11) of a battery string, in particular the battery cells (11) of a battery module which has a plurality of serially connected battery cells (11). The arrangement (10) has an inductor (9) for storing electric energy and switching devices (17) on the supply side for connecting the poles of a first battery cell (11) to the inductor (9) via a first connection point (13) and a second connection point (14). The arrangement can be actuated by a controller such that electric energy can be transmitted from at least one first battery cell (11) to the inductor (9) and from the inductor (9) to at least one second battery cell (11).

Abstract: A charging method is provided. The method includes: receiving a direction setting signal, and determining a charging direction according to the direction setting signal; determining a charging operation as charging a slave device with a master device when the charging direction is a first charging direction; determining the charging operation as charging the master device with the slave device when the charging direction is a second charging direction opposite to the first charging direction; and sending to a power management module of the master device and to a power management module of the slave device a charging instruction according to the charging operation determined. Accordingly, two smart devices connected through a connecting line may be charged by each other according to a user-defined charging direction.

Abstract: An apparatus is provided for providing a supply voltage for operating an electrical device in a vehicle having a battery for producing the supply voltage. The battery is connected to a supply-voltage terminal for providing the supply voltage. A contacting apparatus contacts a replaceable battery for providing a charging voltage for charging the battery. In dependence on a state of charge of the battery, the replaceable battery can be electrically coupled to the main battery or disconnected from the main battery by way of the coupling apparatus.

Abstract: A source of environmental pollution is the burning of fuel by the transportation vehicles (e.g., cars, trucks). The use of electric vehicles (EVs) is perceived as an essential step towards better utilization of energy. Current EVs make use of an electric engine and a battery pack that provides energy to that engine. The technology of electric engines is well developed because of the common use of such engines in trains, submarines and industrial facilities. But, while the battery packs used in EVs have made a lot of progress in the last couple of years, these battery packs still have problems. These battery packs are expansive, heavy, and limited in the amount of energy that they can provide. This obstacle is a major factor that limits the use of EVs today in the mass market. Described herein is an improved EV battery pack system.

Abstract: A communication apparatus according to the disclosure includes one or a plurality of sensors, a communicator that performs proximity wireless communication, and a connection section that couples one of a plurality of antennae to the communicator, on a basis of a detection result of the one or the plurality of sensors.

Abstract: An apparatus for providing a secondary power source for an electric vehicle and having at least one secondary electrical power storage unit for storing electrical energy for delivery to the electric vehicle as required to replace the primary power source, a power connection assembly to connect the at least one secondary power source to the electric vehicle and a control system to control supply to the electric vehicle.

Abstract: An apparatus comprises an interface configured to communicate with a first battery of a first battery type and a second battery of a second battery type. The apparatus comprises processing circuitry configured to: obtain first parameters related to at least one first characteristic of the first battery, the one or more first parameters stored in a universal format that is implemented by both the first battery and the second battery; perform one or more first charging operations for the first battery based on the obtained one or more first parameters; obtain one or more second parameters related to at least one second characteristic of the second battery, the one or more second parameters stored in the universal format; and perform one or more second charging operations for the second battery based on the obtained one or more second parameters.

Abstract: A capacitive power converter circuit converts a DC power from a bus node to a charging power for charging a battery in a charging mode, and converts a battery voltage to a supply voltage through the bus node in a supply mode. The capacitive power converter circuit includes a conversion switch circuit including plural conversion switches configured to be operably coupled to one or more conversion capacitors, and a conversion control circuit for controlling the plural conversion switches. In the charging mode, the plural conversion switches control the conversion capacitors such that the charging current is scaled-up, and in the supply mode, the plural conversion switches control the conversion capacitors such that the supply voltage is scaled-up.

Abstract: A storage battery device according to the present disclosure includes a storage unit accumulating charge, an attachment unit attachable to an electronic device, and a controller charging the storage unit by a first current value when the storage battery device is attached to the electronic device via the attachment unit, and charging the storage unit by a second current value lower than the first current value when the storage battery device is not attached to the electronic device via the attachment unit.

Abstract: The present invention relates to an apparatus and a method of balancing voltages between battery racks, and the apparatus includes: a voltage measuring unit configured to measure a voltage of a plurality of battery racks; a collecting unit configured to collect the measured voltage of the plurality of battery racks; and a control unit configured to control voltage balancing to be performed between two battery racks among the plurality of battery racks based on the collected voltage of the plurality of battery racks, and control the voltage balancing to be repeatedly performed between the battery racks, on which the voltage balancing is performed, and the battery rack, on which the voltage balancing is not performed.

Abstract: An energy storage device includes a first energy storage, a second energy storage, a voltage converter, and a controller. The first energy storage has a first resistance to degradation of a charging capacity of the first energy storage. The second energy storage has a second resistance to degradation of a charging capacity of the second energy storage higher than the first resistance. The voltage converter converts a voltage output from the second energy storage or supplied from an external electric power source to charge at least one of the first energy storage and the second energy storage. The controller controls the voltage converter so as to supply electric power from the second energy storage to the first energy storage before charging the at least one of the second energy storage and the first energy storage with electric power supplied from the external electric power source.

Abstract: A system, method, and apparatus for charging primary battery-powered devices and battery-powered accessories tethered to the primary devices are disclosed. The two devices may include batteries of different types having different nominal voltages. A processing unit on the primary device may obtain state-of-charge information and other operating parameters of the batteries and may determine when to provide power to the accessory to charge its battery. The primary device may select its own battery, power provided by a charger to which it is coupled, or conditioned power as the source of charging energy provided to the accessory to charge its battery. Processing units on the two devices may adjust charging parameters to perform energy balancing while the batteries are simultaneously charged, based on operating parameters of the batteries, operating contexts of the devices, a charging prioritization scheme, or a current distribution scheme.

Abstract: Apparatus is described, for use with a cellphone (10) that has a power supply, in which the apparatus includes energy-storage apparatus (20), including a housing (26), a battery (28) coupled to the housing, and a cellphone interface (30) coupled to the housing, configured to electrically couple the battery to the power supply of the cellphone and to carry current from the battery to the power supply. Other embodiments are also described.

Abstract: There is disclosed a portably suspended retractable shelf for storing bedside items and which includes a horizontal platform having an inner portion and an outer portion. In various embodiments, the inner portion is adapted to be slidably captured between a mattress and a mattress supporting structure. At least one of the following upward-facing compartments is disposed on the outer portion of the horizontal platform and is accessible to a user on the mattress: a collapsible basin, a hanging flexible pocket, a foldable box. The compartments are collapsible for allowing the horizontal platform to be slidably retracted under the mattress. A cutout hole is configured to hold a cup or other object in a suspended configuration through the shelf. A downward-facing sliding drawer compartment of various sizes is mounted and/or supported underneath the outer portion of the shelf. A storage container extends from a leading surface of the portable suspended retractable shelf. Other embodiments are also disclosed.

Abstract: The application discloses a mobile power pack, a power control circuit and an electrical connection device. The power control circuit comprises: a voltage detecting module configured to detect a voltage of an external power source and generate a voltage detection signal indicative of the voltage of the external power source; a control module configured to receive the voltage detection signal and generate a coupling control signal according to the voltage detection signal; a coupling module configured to operably couple a first power source and a second power source, receive the coupling control signal, and in response to the coupling control signal change the way the first power source is coupled with the second power source to control the first power source and the second power source coupled together to output electric energy under different output voltages.

Abstract: A battery system having a battery having at least one first battery element, at least one second battery element and a center tap between the at least one first and the at least one second battery element, a power changeover switch having a plurality of switching elements for changing over between the at least one first battery element and the at least one second battery element, and at least one pair of output terminals that is electrically connected to the battery, wherein the center tap has a first capacitive store arranged on it that has a store voltage that appears over an appropriate period in accordance with a first and/or second battery element voltage provided by the first and/or second battery element, wherein during the period in which the store voltage appears, a store current decreases from a maximum value to a value of zero.

Abstract: A vehicle may include an inverter, a motor coupled to the inverter, and a traction battery coupled to the inverter and having a terminal voltage equal to a rail voltage between rails of the inverter such that the rail voltage is unregulated. The vehicle may also include a voltage converter configured to reduce the terminal voltage below an intermediate bus voltage threshold on an intermediate bus, and an auxiliary converter configured to draw power from the intermediate bus to supply auxiliary loads.

Abstract: The present invention relates to a kitchen appliance (1) that is operated wirelessly on an induction heating cooker (K), comprising a programmable microcontroller (2), one or more than one electronic circuit (3) that provides the microcontroller (2) to control the communication means, user interface and sensors, providing communication with the induction heating cooker (K) whereon the kitchen appliance (1) is operated, a power control circuitry (4) that supplies the microcontroller (2) and the electronic circuits (3) with low level DC voltage, a receiver coil (5) that partially collects and provides transfer of the power generated by the induction coil (B) in the induction heating cooker (K) to the power control circuitry (4), a rectifier (6) that converts the AC voltage delivered from the receiver coil (5) to DC voltage and a buffer capacitor (7) which filters the DC voltage at the rectifier (6) outlet.

Abstract: Methods, systems, and apparatus for managing energy efficiency of a vehicle. The system includes a GPS unit configured to detect a current location of the vehicle. The system includes a network access device configured to receive traffic data. The system includes a navigation unit configured to determine whether traffic is upcoming along a route based on the traffic data. The system includes a speed sensor configured to detect a current speed of the vehicle. The system includes an electronic control unit configured to activate a pre-charge mode when the upcoming slowdown in vehicle speed is determined, the pre-charge mode causing the engine to charge the battery via the motor/generator. The electronic control unit is configured to deactivate the pre-charge mode to prevent charging of the battery by the engine when the detected current speed of the vehicle is below a speed threshold for a set period of time or distance.

Abstract: The embodiments relate to a switch device for an electrochemical energy store having: a film transistor device that comprises at least one organic transistor, can be mounted in a planar manner on at least one electrode of the electrochemical energy store, can be controlled by an external voltage source, and is designed in the form of a controllable electrical resistor that is connected, in series, to an internal resistor of said electrochemical energy store.

Abstract: In accordance with an embodiment, a method of operating a charging port having a power connection and a first data connection includes determining whether a compatible device is coupled to the charging port and receiving a serial data stream from the compatible device via the first data connection. The serial data stream includes a plurality of symbols representing a request for a power supply voltage and/or current, and the method further includes applying the requested power supply voltage and/or current to the power connection.

Abstract: A wireless power transmission device includes a holder including a charger disposed therein and charging the electronic device, a supporter supporting the holder, and a connector connecting the holder to the supporter and applying an external force to the holder such that an upper surface of the holder forms a predetermined angle with a lower surface of the supporter.

Abstract: A vehicle power system may include a vehicle power source configured to output a first voltage, and batteries, each battery configured to provide a second voltage. The vehicle power system may also include switches coupled between the batteries, and a controller coupled to the switches. The controller may be configured to place the switches in a first mode of operation so that the batteries are coupled in parallel and receive a charge from the vehicle power source, and place the switches in a second mode of operation so that the batteries are coupled in series and provide a combined voltage greater than the first voltage and the second voltage, the combined voltage driving a load.

Abstract: A battery monitoring device suitable for monitoring performance of one or more battery cells, such as with respect to a battery pack powering a vehicle. The battery monitoring device includes a signal injector configured to produce a replacement physical set that emulates one or more physical properties associated with the one or more battery cells, a multiplexer configured to selectively output, during different periods of time, the replacement physical set received from the signal injector or a physical set of physical properties received from the one or more battery cells, a sensor circuit configured to separately convert the physical set to a first signal set representing a first digitized measurement of the physical set and the replacement physical set to a second signal set representing a second digitized measurement of the replacement physical set, and a controller configured to compare the first signal set to the second signal set for a variance outside of a predetermined threshold.

Abstract: According to one embodiment, a controller changes, when a charging state transitions from a first state of charging a first battery by using a power from an external power supply to a second state of charging the first battery by using a power from the second battery and if rated power of the external power supply and the rated discharge power of the second battery are different from each other, an upper limit of an input current to a charging circuit to a value corresponding to the rated discharge power of the second battery.

Abstract: A power loss protection integrated circuit includes a VIN terminal, a VOUT terminal, an STR terminal, a switch circuit (eFuse), a control circuit, and a prebiasing circuit. In a normal mode, current flows from a power source, into VIN, through the eFuse, out of VOUT, and to the output node. A switching converter of which the control circuit is a part is disabled. If a switch over condition then occurs, the eFuse is turned off and the switching converter starts operating. The switching converter receives energy from STR and drives the output node. Switch over is facilitated by prebiasing. Prior to switch over, the prebiasing circuit prebiases a control loop node as a function of eFuse current flow prior to switch over. When the switching converter begins operating, the node is already prebiased for the proper amount of current to be supplied by the switching converter onto the output node.

Abstract: A PCS (200) converts the output power from a plurality of distributed power supplies or the supply power to the distributed power supplies. The PCS (200) is provided with a plurality of converters for converting said output power or said supply power. In a first state, the converters convert the respective outputs of the distributed power supplies. In a second state, the converters perform a conversion on the output or input of at least one distributed power supply by using multiple converters.

Abstract: A remote surveillance composite machine includes a primary device and a secondary device wirelessly connected with and driven by the primary device. The secondary device includes a housing provided with a recess, a pivot member and a locking member. The secondary device is used individually or connected with a hanging arm which is mounted on a baby playpen. The hanging arm has a distal end provided with a pivot hole and a locking hole. The recess is mounted on the distal end of the hanging arm. The pivot member is connected with the pivot hole. The locking member is locked in the locking hole. Thus, the secondary device is mounted on the distal end of the hanging arm and is located above the playpen to face the baby.

Abstract: A charging fee payment system is used for a payment process for a payment of a charging fee to charge a target apparatus with a charging apparatus. The target apparatus includes a memory, a controller, and a communication section. When the charging apparatus does not have a function to communicate with an external server that performs the payment process, the memory stores an unique ID code of the charging apparatus and electricity usage data indicative of the amount of electricity used by the charging apparatus to charge the target apparatus. The controller allows the target apparatus to be charged with the charging apparatus on a condition that the ID code remains stored in the memory. When the communication section becomes able to communicate with the external server, the communication section sends the ID code and the electricity usage data stored in the memory to the external server.

Abstract: An eyeglass-type wearable device includes a first temple part positioned along one temporal region of a user, a second temple part positioned along the other temporal region of the user, and a front part positioned in front of the face of the user, when the eyeglass-type wearable device is worn by the user. The front part includes an electrical unit including an imaging device, and a first and second connection sections to which the first and the second temple parts can be connected, and at least one of the first and the second temple parts includes a temple-side electrical unit. The first and second temple parts can be attached to and removed from the first and second connection sections of the front part. Information about an image captured by the imaging device included in the front part is transmitted from the front part to the temple-side electrical unit.

Abstract: The station-building power supply device includes a capacitor unit that stores therein surplus regenerative power, a first power conversion unit that performs DC/DC power conversion, and a second power conversion unit that converts DC power. A first voltage threshold for detecting the occurrence of surplus regenerative power is set and a first SOC threshold for detecting whether the capacitor unit can discharge is set. The first power conversion unit is controlled such that power is supplied from the feeder to the capacitor unit to charge the capacitor unit when the feeding voltage exceeds the first voltage threshold, and the second power conversion unit is controlled such that power is supplied from the capacitor unit to the station loads when the SOC of the capacitor unit exceeds the first SOC threshold.

Abstract: A lithium ion energy and power system including: a housing containing: at least three electrodes including: at least one first electrode including a cathodic faradaic energy storage material; at least one second electrode including an anodic faradaic energy storage material; and at least one third electrode including a cathodic non-faradaic energy storage material, wherein the at least one first, second, and third electrodes are adjacent as defined herein, and the at least one second electrode is electrically isolated from the electrically coupled at least one first electrode and the at least one third electrode; a separator between the electrodes; and a liquid electrolyte between the electrodes. Also disclosed is a method of making and using the disclosed lithium ion energy and power system.

Abstract: USB charger apparatus and chargeable electronic devices are presented in which the device and charger use USB cable data lines to establish a bidirectional communications connection, and the charger provides charger capability information to a master controller of the electronic device via the communications connection. The device controller preferentially selects a fastest charging match between the charger capability information and device charging capability information, and sends configuration information through the communications connection to set the power supply level of the charger. The charger communicates power supply status information to the electronic device, and the device can reconfigure the charger power supply level accordingly.

Abstract: Vehicle alternative power system is a power and generating system for an electric vehicle that allows the vehicle to self-generate power for propulsion of the vehicle eliminating the use of fossil fuel thereby improving the natural state of the environment.

Abstract: Accurate and reliable techniques for wirelessly powering a tablet device are disclosed.

Abstract: A rechargeable, hybrid battery system incorporates a high power battery component and a high energy density battery component. The voltage of the high energy density battery varies as a function of its state of charge, but remains greater than the voltage of the high power battery throughout the operating range of the battery system.

Abstract: The invention relates to a device for the charge equalization of an energy accumulator arrangement, and to a method for the charge equalization of accumulator modules of an energy accumulator arrangement.

Abstract: A system and method for controlling a low-voltage DC-DC converter (LDC) voltage of a hybrid vehicle are provided. The LDC voltage is optimally adjusted based on which driving mode the vehicle enters, thereby improving fuel efficiency. The method includes determining whether the hybrid vehicle is driven in a regenerative braking mode and whether a value of a state of charge (SOC) of an auxiliary battery is equal to or greater than a first critical value set as a value when charging of the auxiliary battery is unnecessary during the driving in the regenerative braking mode. When the value of the SOC of the auxiliary battery is equal to or greater than the predetermined first critical value, the driving mode is switched from the regenerative braking mode to an electric vehicle (EV) mode, and to variably adjust an LDC target voltage in the EV mode.

Abstract: A mobile terminal includes a battery; a first universal serial bus (USB) interface, a central processing unit (CPU), a USB charging management module, and a charging management chip. The central processing unit (CPU) is configured to generate an on/off command, and configured to output an adjustment signal. The USB charging management module is configured to turn on or off a charging channel according to the on/off command, and configured to control a value of a charging current according to the adjustment signal, combine the charging current, and transmit the combined charging current to a charging management chip. The charging management chip is configured to transmit the charging current to the battery to charge the battery.

Abstract: A dark current excess prevention method in a telematics terminal installed in a vehicle includes: calculating a current consumption amount up to a present time upon sensing a transmission operation in a sleep mode; determining whether the calculated current consumption amount exceeds a predetermined dark current reference value; and determining that a dark current is exceeded when the calculated current consumption amount exceeds the dark current reference value.

Abstract: A system for recognizing and swapping polarity for DC powered devices that includes a polarity detection module that is configured to identify polarity of DC power input, and further configured to send an output to a controller based on identification of polarity of the DC power input. The system includes a power switch array that is operatively coupled with the controller, and wherein the controller, based on the output, can set one or more switches of the power switch array for executing polarity switching.

Abstract: A battery pack includes a housing, at least one battery cell housed in the housing, a wireless transmitter housed in the housing, a button that initiates a pairing with an electronic device so that the battery pack may wirelessly communicate with the electronic device through the wireless transmitter, a connection section including a first electrical connector configured to supply power to a power tool and a charging port configured to supply power to an external device. The charging port can be in an on state in which the charging port is operable to supply power to the external device and an off state in which the charging port is not operable to supply power to the external device.

Abstract: A jump starter unit for starting large vehicles and other equipment using jumper cable at lengths up to fifty (50) feet. The jump starter includes a high output (200-300 amp) alternator and a large (2000 Farad) capacitor. The alternator is also used to maintain the capacitor's charge when the boost charge is not needed. The alternator and capacitor are integrated into an electrical system that includes an electronic control and a plurality of relays that provide the various charging and boost functions of the unit. In certain embodiments, the jump starter unit may take the form of a portable or mobile self contained apparatus having its own combustion to drive the high output alternator. In other embodiments, the jump starter unit may be integrated into a service vehicle, such as a tow truck or utility vehicle, and utilize the vehicle's engine to drive the jump starter's high output alternator.