Abstract: A system and method for charging a plurality of batteries is disclosed. A battery charging hub may have a plurality of charging/discharging ports capable of applying varying charging programs based on the state of a battery. A battery charging hub may include wired or wireless communication ability to allow the battery charging hub to communicate with remote units regarding the state and quality of batteries at the charging hub. A virtual disposable battery is also disclosed.

Abstract: A charging system may include a charging apparatus having a controller and a power transmitter. The controller may be configured to determine a device position relative to the controller based on at least one signal received from the device. The controller may also be configured to determine whether the device position is at an optimal position, and provide feedback indicative of the device position.

Abstract: A method for charging an accumulator in an electrical motor vehicle includes connecting the accumulator to a low voltage power outlet connected to a power supply network. A counter identifier of a stationary electric meter that measures electrical energy supplied by the energy supply network via the power outlet is transmitted to a central computer. The vehicle location of the electrical motor vehicle is transmitted to the central computer and the central computer compares a counter location associated with the electrical meter with the transmitted vehicle location of the motor vehicle. In case of agreement between the counter location and the transmitted vehicle location, a charging signal which initiates the charging of the accumulator is sent from the central computer to the charging device of the electrical motor vehicle.

Abstract: A charging apparatus with status indication for charging an electric vehicle. The charging apparatus includes a power supply device and a coupler. The power supply device includes a processing module, an indicator control unit and a signal modulation unit. The coupler is electrically connected to the power supply device through a power cable and includes a signal demodulation unit and an indicator unit. The processing module instructs the indicator control unit to output a status control signal to the signal modulation unit according to the connection status of the coupler and the electrical vehicle. The signal modulation unit modulates the status control signal and transmits the modulated status control signal through the power cable to the signal demodulation unit. The signal demodulation unit demodulates the modulated status control signal into the status control signal and outputs the status control signal to the indicator unit.

Abstract: The present disclosure provides a semiconductor device including: a first buffer amplifier into which a voltage of a high potential side of one battery cell selected from plural battery cells that are connected in series is input; a second buffer amplifier into which a voltage of a low potential side of the one battery cell other than a lowermost stage battery cell is input; an analog level shifter into which a voltage output from the first buffer amplifier and a voltage output from, the buffer amplifier are input; a first switch that switches a voltage input to the analog level shifter from the voltage output from the second buffer amplifier to a reference voltage; and a second switch that switches a voltage input to the first buffer amplifier from the voltage of the high potential side of the one battery cell to the reference voltage.

Abstract: The present invention relates to a battery discharging apparatus and a method thereof of a battery management system and an exemplary embodiment of the present invention provides a battery discharging apparatus, including: a battery module including a plurality of battery cells; a discharging element which is connected to the battery cells through switches to discharge a voltage of the battery cells; a detecting unit which detects an abnormal state of a vehicle; and a control unit which is connected to the battery module to monitor a charged/discharged status of the battery cells of the battery module and controls the switches to balance the battery cells, in which when the control unit receives a vehicle abnormal state signal from the detecting unit, the control unit controls the switches to be turned on/off at a predetermined duty ratio to discharge the battery cell.

Abstract: The present invention relates to an apparatus, a system, and a method of preventing a battery rack from being damaged by measuring a voltage, which, when a battery module is abnormally connected with a relay in some battery racks in installing the relay, which conducts or blocks a current flowing in the battery rack including a plurality of battery modules, so that a voltage smaller than a predetermined voltage limit value is applied to the battery rack, prevent a short-circuit phenomenon, by controlling an operation state of the relay before the battery rack and the relay form a short circuit.

Abstract: The present disclosure relates to the technical field of charging. A terminal and a battery charging control device and method are provided. The battery charging control device including a battery connector, a main control circuit and a quick charging switch circuit is adopted. During the regular charging or the quick charging, the main control circuit performs a data communication with the external power adapter via the communication interface, and obtains a charging voltage and a charging current for the battery; if the charging voltage is greater than a voltage threshold and/or the charging current is greater than a current threshold, the main control circuit sends a charging switch-off instruction, such that the controller controls the communication interface to switch off; if the charging voltage is less than or equal to the voltage threshold and the charging current is less than or equal to the current threshold, the main control circuit continues to obtain the charging voltage and the charging current.

Abstract: An electrical apparatus is provided including an electrical drive system and an electrical machine. The electrical machine includes a rotor, a first separate multi-phase stator winding and a second separate multi-phase stator winding. The drive system includes a first multi phase bridge inverter connected to the first multi-phase stator winding and which is adapted to be connected to a line voltage supply by a connection means when charging a battery. The apparatus further includes a second multi-phase bridge inverter connected to the second multi-phase stator winding and to the battery. A battery can be charged without the need of a specific charger and charging with galvanic isolation is provided.

Abstract: An exemplary method of compensating for a circuit offset error to a measure of a battery voltage of a rechargeable battery of an electronic device is described wherein the battery powers an electronic circuitry of the device and the electronic circuitry introduces the circuit offset error to the measure of the battery voltage. A corresponding electronic device is also described.

Abstract: An apparatus, system and method to wirelessly charge and/or discharge a battery. In one embodiment, the apparatus includes a removable first magnetic core piecepart having a surrounding first metallic coil and configured to be coupled to and aligned with a second magnetic core piecepart having a surrounding second metallic coil to form a transformer. The apparatus also includes a battery metallically coupled to the first metallic coil and configured to be charged and discharged through an electrically isolating path of the transformer.

Abstract: A charging-port control device for an electric vehicle includes a charging port engaged with a charging connector, a locking mechanism configured to limit release of an engagement state between the charging connector and the charging port, and a lock state control unit configured to control the locking mechanism to a lock state or an unlock state. The lock state control unit includes a first mode for controlling the locking mechanism to the lock state only when a charge request is being outputted from a vehicle side and a third mode for maintaining a full-time unlock state.

Abstract: A method for producing a battery includes providing a battery having a positive electrode, a negative electrode, and an electrolyte that includes a solvent and a salt. The capacity of the negative electrode is less than that of the positive electrode and the negative electrode includes an active material having an average potential versus a lithium reference electrode of greater than approximately 0.2 volts. The method also includes applying an initial charge to the battery at a voltage that is greater than a fully charged voltage of the battery for a sufficient amount of time to cause at least a portion of the solvent to undergo a reduction reaction. The step of applying an initial charge to the battery acts to increase the irreversible capacity loss of the battery during the initial charge and provides the battery with enhanced tolerance to deep discharge conditions.

Abstract: A portable charger is provided for charging one or more electronic devices simultaneously from a rechargeable internal battery. To accommodate multiple electronic devices, a portable charger unit is combined with multiple connectors for connecting to more than one electronic device, as necessary. For example, the charger unit includes two or more connector cables removably attached to the charger unit and stored within the charger housing for connection to electronic devices when needed. An adapter unit is provided for connection to the charger unit for recharging the internal battery of the charger unit.

Abstract: A storage battery monitoring device includes a pair of measurement lines connected respectively to a pair of voltage detection lines connected respectively to a positive and a negative electrode of a rechargeable battery, a pair of adjustment lines connected respectively to the pair of voltage detection lines in parallel with the measurement lines, a first capacitive element connected between the pair of measurement lines, a second capacitive element connected between the pair of adjustment lines, and a switch connected across the second capacitive element. Capacitance values of the first and second capacitive elements are set such that a voltage between the pair of measurement lines continues changing after closing the switch and then opening the switch after a lapse of a predetermined short-circuit time if the voltage detection line is broken.

Abstract: A suitcase with charging function, comprising: a suitcase body; rollers disposed at the bottom of the suitcase body; current generating devices disposed on rollers; a PCB, connected to the current generating device; a rechargeable battery, connected to PCB. Wherein the current generating device comprises: a roller bracket, fixed to the bottom of the suitcase body and connected to the roller through a roller shaft; a power generator fixing plate, fixed on the roller bracket and having a generator PCB and power lines; a power generator, fixed on the power generator fixing plate and connected to the generator PCB. There is a first gear on the roller connected to the roller shaft, and a second gear on the shaft of the power generator, and the second gear is engaged with the first gear directly or through transmission gears. The rechargeable battery has a built-in circuit board and at least one output port.

Abstract: The combined vehicle and standard electrical outlet charger is a device that is adapted to receive power from multiple power sources to power a plurality of USB ports for use in charging electronic devices. The combined vehicle and standard electrical outlet charger is specifically adapted to draw power either from the national power grid or a standard 12 Vdc electrical system and is capable of powering a plurality of USB ports with 5 volts of power at 2.0 amps each. The combined vehicle and standard electrical outlet charger comprises a car adapter plug, a NEMA 1 plug, a housing, and charging circuitry.

Abstract: Methods, apparatus, systems and articles of manufacture to provide power to devices are disclosed. An example method includes determining an indication of visual media consumption of a display by a person; and enabling delivery of power to a device associated with the person in response to determining that the visual media consumption is associated with the person.

Abstract: Provided is a battery state monitoring circuit and a battery device capable of predicting a state of charge of a secondary battery with high accuracy. The battery state monitoring circuit includes a pseudo-equivalent circuit of the secondary battery, and causes a current flowing through a sense resistor to flow to the pseudo-equivalent circuit of the secondary battery, to thereby measure a pseudo-open circuit voltage of the secondary battery.

Abstract: An internet device and an automatic switching method, apparatus and circuit for a charging interface of an internet device are disclosed. The device includes a device charging interface (20), a dock charging interface (30), a charging loop (40) and an automatic switching apparatus (10) for a charging interface. The method includes: when external power supply is connected into the device (S001), judging whether a dock charging interface a the device is in place (S002), if so, isolating a device charging interface of the device and at the same time, connecting a charging loop of the device through a dock charging interface of the device (S003); otherwise, isolating the dock charging loop of the device and at the same time, connecting the charging loop of the device through the device charging interface of the device (S004). The device is convenient to implement and has the advantages of reliable performance and low cost.