Abstract: A method for controlling a current being fed to a battery pack including a plurality of battery cells connected in series and providing an output battery voltage includes the steps of: feeding a relatively low current through a resistor being arranged in series with the battery pack; and measuring the voltage across the resistor, thereby obtaining a value of the current. A system for controlling a current being fed to a battery pack is also provided.

Abstract: The present application provides a battery charging control method and apparatus, a battery management system, and a medium. The method includes: obtaining, based on a received charging request, a threshold value and an initial value of a charging parameter of a battery, wherein the threshold value of the charging parameter is determined based on an actual capacity value of the battery and an accumulated mileage of an electric vehicle where the battery is located; sending, under a condition that the initial value of the charging parameter is less than the threshold value of the charging parameter, a control command of charging the battery, so as to charge the battery; obtaining a value of the charging parameter of the battery in real time during the charging of the battery; sending a control command of stopping charging the battery, so as to stop charging.

Abstract: A charging and discharging circuit includes a first conversion circuit and a second conversion circuit. The input terminal of the first conversion circuit is used to connect an external power supply. The output terminal of the first conversion circuit is connected to the input terminal of the second conversion circuit and the first terminal of a battery pack, and the second terminal of the battery pack is grounded. N battery cells have N-1 common nodes. Each common node is connected to a corresponding output terminal of the second conversion circuit. In the embodiment of the present application, the second conversion circuit effectively “transfers” the excess charge on the cell with a higher battery voltage in the battery pack to the cell with a lower voltage through the uneven distribution of the charging current.

Abstract: A management device 21 comprising a main control part 23 that, during charging of a plurality of power storage elements 41 connected in series, outputs a first pull-down signal to a converter 11 so as to lower a charging voltage when the cell voltage of any of the power storage elements 41 is equal to or greater than a first threshold value.

Abstract: Systems, methods, and devices for controlling charging of vehicles, to avoid charging during charge-adverse time periods or during charge restriction events. This can advantageously reduce cost to vehicles owners, and or provide access to reward incentives. Further, power distribution entities (utility providers) advantageously have increased control over power distribution to avoid over-burdening of power distribution infrastructure. Further, systems and methods for determining or inferring whether a vehicle is connected to a charge station are described, which can be used to inform automatic restriction of vehicle charging.

Abstract: Systems, methods, and devices for controlling charging of vehicles, to avoid charging during charge-adverse time periods or during charge restriction events. This can advantageously reduce cost to vehicles owners, and or provide access to reward incentives. Further, power distribution entities (utility providers) advantageously have increased control over power distribution to avoid over-burdening of power distribution infrastructure. Further, systems and methods for determining or inferring whether a vehicle is connected to a charge station are described, which can be used to inform automatic restriction of vehicle charging.

Abstract: A battery pack can include a battery and a battery management system for detecting a charge amount of the battery, setting an indicated charge amount as the charge amount if the charge amount of the battery is smaller than a first threshold value, and setting the indicated charge amount as that of the following equation 1 when the charge amount of the battery is greater than or equal to the first threshold value. Indicated charge amount=actual charge amount×correction rate=actual charge amount×(1+((100/second threshold value)?1)/(second threshold value?first threshold value)×(actual charge amount?first threshold value))),??[Equation 1] wherein the actual charge amount is the charge amount of the battery.

Abstract: A battery control apparatus, a battery control method and an energy storage system including the battery control apparatus are disclosed. The disclosed battery control apparatus includes a first battery pack, a second battery pack, a first switch connected in series to the first battery pack between the first terminal and the second terminal, a second switch connected in series to the second battery pack between the first terminal and the second terminal, and a control unit. The control unit is configured to turn on both the first switch and the second switch when a voltage difference between the first battery pack and the second battery pack at a time point at which both the first switch and the second switch are turned off is less than a threshold voltage.

Abstract: A charging method, a terminal, a charger, and a system, includes: obtaining, by a terminal, a charging mode supported by a charger connected to the terminal; when the charging mode supported by the charger includes an open-loop fast charging mode, detecting, by the terminal, whether both the terminal and the charger are in an open loop state; when both the terminal and the charger are in the open loop state, sending, by the terminal, an open-loop fast charging instruction to the charger; and receiving, by the terminal, a voltage and a current that are transmitted by the charger according to the open-loop fast charging instruction, and performing charging in the open-loop fast charging mode. When determining that the charger supports charging in the open-loop fast charging mode, the terminal is adjusted to the open loop state to perform charging, so as to shorten a charging time and improve user experience.

Abstract: A charger for impulsed charging of a battery includes first and second charging contacts configured to receive a battery to be charged, a DC power input having first and second terminals, and an inductor having first and second ends. The first end is selectively conductively connectable to the first terminal and the second charging contact. The second end is selectively conductively connectable to the first charging contact and the second terminal. A switch is between the second end and the second terminal such that with the switch in a first configuration, the inductor is connected across the DC power input to enable magnetic energization of the inductor, and in a second configuration, the inductor is disconnected from the DC power input and connected across the charging contacts to enable magnetic energy in the inductor to discharge to the battery. The switch is alternated between configurations during charging of the battery.

Abstract: An electrical device having a plurality of parallel-connected built-in rechargeable batteries includes a power supply terminal and a charging circuit. The power supply terminal receives electrical power supplied from the outside of the electrical device. The charging circuit executes charge control so as to charge the plurality of rechargeable batteries using the electrical power supplied from the outside. During the execution of the charge control, the charging circuit interrupts charging of any one of the plurality of rechargeable batteries in accordance with a magnitude of a charging current flowing to each of the plurality of rechargeable batteries.

Abstract: A dual port battery charging system comprises a charger, a microcontroller, a first switching unit, a second switching unit, a first charging interface and a second charging interface, wherein the microcontroller is coupled with the first switching unit, the second switching unit, the first charging interface and the second charging interface to detect a voltage and a current of a first battery pack or a second battery pack, and the microcontroller can control the first switching unit and the second switching unit to charge the first battery pack and the second battery pack separately or alternately.

Abstract: A aerosol generation system comprising: a controller for an inhalation device, the controller including a first power supply, a first connector, and a first processor configured to perform energization control of a heater which is used to heat an aerosol source, and a power supply device including a second power supply, a second connector which is electrically connected to the first connector at the time of charging of the first power supply, and a second processor configured to perform control of power supply from the second power supply to the controller via the second connector, wherein the first processor has a first operation mode and a first sleep mode, and the second processor has a second operation mode and a second sleep mode.

Abstract: A battery device includes a storage battery unit, a current sensing unit, a temperature sensing unit, a storage unit and a processing unit. The current sensing unit detects load current. The temperature sensing unit detects the battery temperature of the storage battery unit. The storage unit stores a cycle number, multiple threshold intervals, and multiple charging voltage values. According to the load current, the battery temperature and the cycle number, the depth of discharge of the storage battery is acquired. The storage unit stores the load current, the battery temperature and the cycle number. The processing unit operates a charging procedure. The charging voltage value corresponding to the working threshold interval is selected to be the main charging voltage value, and the DC voltage that is identical to the main charging voltage value is used to perform a constant voltage charge for the battery unit.

Abstract: A node within a wireless network is powered by a solar hybrid battery system. The solar hybrid battery system includes a solar panel, a primary cell, and a secondary cell. The secondary cell includes only enough power storage to be capable of powering the node during the longest daily interval of darkness in the region where the node is deployed. The solar panel is sized relative to the secondary cell to be capable of fully recharging the secondary cell during the shortest daily interval of daylight in the region where the node is deployed, even under conditions of limited solar irradiance (e.g. due to clouds). The primary cell can charge the secondary battery if the node is shelved or malfunctioning to prevent the secondary cell from becoming overly depleted. The primary cell can also provide the node with additional power during times of peak demand or to perform status reports.

Abstract: An apparatus including a monitoring unit including a voltage detection circuit which detects a voltage of the plurality of battery cells, a balancing unit including a first common resistor element and a switching module, the first common resistor element connected between a first common node and a second common node, and a control unit operably coupled to the monitoring unit and the switching module, the control unit determining a balancing target including at least one of the plurality of battery cells based on the voltage of each of the plurality of battery cells, and controlling the switching module to form a current channel between the first common resistor element and the balancing target.

Abstract: System for balancing series of cells, including circuits each having three or four cells, including: one or two central cells and additional neighboring cells in each circuit, each neighboring cell being adjacent to one central cells; a local capacitor for each neighboring cell, within a local section of each circuit; one global capacitor at a global section which is common to all the circuits; a plurality of controlled switches; a controller which periodically, repeatedly, and alternately opens and closes some switches to: within each circuit, connect each local capacitor in parallel to a respective neighboring cell; within each circuit, connect each local capacitor in parallel to the central cell if one central cell exists, or to another central cell if two central cells exist, respectively; within each circuit, connect said central cells of all circuits separately or simultaneously to said global capacitor.

Abstract: The battery management system comprises: a battery management unit, configured to receive status information of a battery module and status information of a battery pack, and transmit a control instruction to cell measurement circuits; the cell measurement circuits, configured to collect the status information of the battery module, transmit the status information of the battery module to the battery management unit, receive and execute the control instruction transmitted from the battery management unit; sensing units, configured to collect the status information of the battery pack, and transmit the status information of the battery pack to the battery management unit; wherein a wireless communication unit is disposed in the battery management unit, and a wireless communication unit is disposed in at least a portion of the cell measurement circuits and/or at least a portion of the sensing units.

Abstract: A power pack vending system comprises a plurality of kiosks including a magazine having a plurality of slots, and a plurality of rechargeable power packs. Each power pack has a unique identifier and is sized to be received within one slot. Each kiosk includes a computer for receiving and storing the unique identifier of each power pack received within the magazine, the specific slot the power pack is in, and current power pack information. The kiosk computer controls a charging unit for charging the power packs. The system includes a central management operation comprising a central computer and central database. The management operation communicates with each kiosk and the central database includes a database storing power pack information for every power pack and a database storing customer information. The central management operation receives, stores and processes information received from the kiosks and sends information to each of the kiosks.

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