Abstract: A vehicle includes a charging inlet, a power storage device, a charging device, and an output device. The charging inlet is compatible with both an alternating-current charging connector and a direct-current charging connector. The charging device is configured to charge the power storage device with at least one of an alternating-current power which are input from the charging inlet and a direct-current power which are input from the charging inlet. The output device is configured to output a notification signal for notifying whether the charging device is compatible with alternating-current charging. The alternating-current is charging of the power storage device with the alternating-current power.

Abstract: A battery equalization method includes: obtaining a voltage value of a to-be-equalized cell in a battery pack; obtaining a reference voltage value required for equalization; determining a target equalization duration of the to-be-equalized cell according to a voltage value of the to-be-equalized cell, the reference voltage value, and a preset equalization duty cycle, where the equalization duty cycle is a ratio of an equalization period in a unit cycle to the unit cycle, and the unit cycle includes the equalization period and a sampling period; and controlling equalization of the to-be-equalized cell in the equalization period in the unit cycle according to the target equalization duration. According to this method, sampling is separated from equalization in a unit cycle, thereby ensuring accuracy of collected battery information, making the calculated equalization duration relatively accurate, and improving equalization effects of the battery pack.

Abstract: A charging control apparatus and method for an electronic device are provided. During a process of charging, the power adapter first charges the battery with a constant-voltage direct current output, and then after the power adapter receives a quick-charging instruction, the power adapter adjusts an output voltage according to the voltage of the battery fed back by the charging control circuit, and if the output voltage meets a quick-charging voltage condition pre-set by the charging control circuit, the power adapter adjusts an output current and the output voltage respectively according to a preset quick-charging current value and a preset quick-charging voltage value for quick-charging the battery, and meanwhile the charging control circuit introduces direct current from the power adapter for charging the battery; during a process of quick-charging, the power adapter adjusts the output current in real time according to the output voltage thereof and the voltage of the battery.

Abstract: Provided is a charging control device including a current detector, an abnormal current determination circuit, and a charging stop circuit. The current detector is configured to detect a charging current, the abnormal current determination circuit is configured to determine whether the charging current is attenuated and/or increased in a constant voltage charging region, and to determine whether a value of the charging current per unit time is increased, and the charging stop circuit is configured to stop a constant voltage charging when the value of the charging current per unit time is increased.

Abstract: An inductive charging system for a vehicle having an electrical storage unit, in particular, an electric vehicle and a method of using the inductive charging system are provided. The inductive charging system preferably has a first coil device for a charging station and a second coil device for mounting on a vehicle, wherein the second coil device is preferably designed to magnetically interact with the first coil device. Furthermore, the inductive charging system preferably has a first positioning device, which movably supports the first coil device, wherein the system is preferably designed to produce an attractive magnetic force between the first coil device and the second coil device, which magnetic force causes a defined orientation of the first coil device in relation to the second coil device by the positioning unit.

Abstract: This application provides a method for determining a charger, a related device, and a system. The method includes: detecting, by an electronic device, a charging current output from a charger; when amplitude values of the charging current are a sequence of variable current, quantifying the current sequence into a binary sequence; determining whether the quantified binary sequence is the same as a prestored binary sequence; and when the quantified binary sequence is different from the prestored binary sequence, outputting prompt information indicating that the charger is a non-standard configuration charger. According to the present invention, whether the charger is a standard configuration charger is determined. This manner is simple and convenient. In addition, no specific device detection module needs to be disposed on the charger.

Abstract: A method of controlling a thermal runaway event in a battery system having first and second battery modules. The method includes detecting a thermal runaway event in the first battery module, and, in response to the detection of the thermal runaway event, determining whether an electrical current is flowing through the first battery module. The method also includes electrically decoupling the first battery module from the second battery module in response to the detection of the thermal runaway event, if the current is not flowing through the first battery module. Furthermore, the method includes electrically connecting the second battery module to an electrical load to discharge the second module through the load, if the current is determined to be flowing through the first battery module or after decoupling the first module. Discharging the second battery module is intended to control propagation of the thermal runaway event through the second module.

Abstract: A battery pack charger includes a first circuit region, a second circuit region, an input voltage measuring circuit, a temperature measurement device, and a controller. The controller is configured to measure an input voltage to the charger using the input voltage measuring circuit, measure a temperature of the second circuit region using the temperature measurement device, and estimate a temperature of the first circuit region based on the input voltage to the charger and the measured temperature of the second circuit region. The controller is further configured to select one of a plurality of correlations between the temperature of the second circuit region and the temperature of the first circuit region based on the input voltage to the charger to estimate the temperature of the first circuit region. After the temperature of the first circuit region has been estimated, one or more control operations associated with the charger can be performed.

Abstract: Batteries having different form factors and power tools that are capable of using such batteries are described. In some embodiments, a power tool may use batteries having a post form factor as well as batteries having a slide form factor.

Abstract: A mobile power system may include an AC-DC converter configured to convert a grid AC signal to a power limited DC charging signal, and a DC-AC converter coupled to the AC-DC converter. The mobile power system may have a battery module configured to provide a DC power signal, and a switching circuit coupled between the battery module, and the AC-DC converter and the DC-AC converter. The switching circuit may include a first switch, and a first diode coupled in parallel to the first switch. The mobile power system also may include a controller coupled to the battery module and the switching circuit and configured to selectively switch the switching circuit between a first state, a second state, and a third state based upon a threshold voltage value from the battery module.

Abstract: A charging apparatus is disclosed, the apparatus includes a charging circuit including a first voltage conversion circuit configured to convert an alternating current voltage into a first direct current voltage and a switch; a current leakage detection circuit including a second voltage conversion circuit configured to convert the first direct current voltage into a second direct current voltage that does not trigger charging of an electronic device, and the current leakage detection circuit is configured to: detect whether current leakage occurs between a voltage output end and the ground, and output a result at the voltage output end; an in-position detection circuit configured to detect whether the electronic device is in position; and a control circuit configured to: when no current leakage occurs and the electronic device is in position, close the switch, and when it is not in-position, open the switch to prevent the charging.

Abstract: A battery pack, an electrical combination and a method of operating a battery pack. The battery pack may include a housing; a plurality of battery cells supported by the housing; a plurality of terminals including a positive power terminal, a negative power terminal, and a low power terminal; a low power circuit connecting the plurality of battery cells to the low power terminal and the negative terminal to output a first voltage; and a power circuit connecting the plurality of battery cells to the positive power terminal and the negative terminal to output a second voltage, the second voltage being greater than the first voltage. A terminal block for one of a battery pack and an electrical device may include a terminal with a terminal blade, and a terminal support portion.

Abstract: A battery charger includes a battery power regulator configured to set a charge signal provided to a battery based on a charge control signal and charge enable signal. The battery charger also includes a controller configured to provide the charge control signal to the battery power regulator. The controller is also configured to temporarily de-assert the charge enable signal for a predetermined amount of time in response to determining that a change is needed in the charge control signal. The controller is further configured to re-assert the charge enable signal after the predetermined amount of time.

Abstract: A charging termination control module and a battery charger circuit comprising the same. The charging termination control module may detect/monitor/sense a charging current flowing through a charging control transistor of the battery charger circuit to provide a current sense signal, and to maintain a transistor voltage drop across the charging control transistor at a predetermined difference value once the transistor voltage drop reaches the predetermined difference value. The charging termination control module may also turn the charging control transistor off once the current sense signal is decreased to reach or to be lower than a charging termination threshold.

Abstract: The invention relates to a method for operating a charging device for charging an electric energy storage device from a first charge state to a second charge state. The first charge state is lower than the second charge state, and the charging device is connected to an interface. The charging device communicates with the energy storage device and ascertains the charge state thereof. In an additional step, the charging device obtains the efficiency characteristic field of the electric energy storage device and the efficiency characteristic field of the charging device. The invention relates to a method for operating a charging device for charging an electric energy storage device from a first charge state to a second charge state. The first charge state is lower than the second charge state, and the charging device is connected to an interface. The charging device communicates with the energy storage device and ascertains the charge state thereof.

Abstract: A method and system for AC battery operation. In one embodiment, the method comprises determining, at a battery management unit (BMU) coupled to an AC battery comprising a power converter and a battery that is rechargeable, a bias control voltage that indicates a state of a charge process of the AC battery; and coupling, by a bias control module of the BMU, the bias control voltage to the power converting for communicating the state of the charge process to and from the BMU and the power converter.

Abstract: Disclosed is a charge protection circuit including: a switch that switches between allowing and not allowing power supply from an external power source to a charging circuit that supplies power for charging a rechargeable battery; a detector that detects at least one of a current flowing from the charging circuit to the rechargeable battery and a voltage between two electrodes of the rechargeable battery; a determiner that determines whether a detection result of the detector is abnormal; and a controller that, in response to the determiner determining that the detection result of the detector is abnormal, causes the switch to switch to an interrupting state so as to interrupt power supply to the charging circuit.

Abstract: Embodiments of the present invention relate to a battery system with internally powered real time clock, the battery system includes a plurality of battery cells connected in series and/or in parallel between a first terminal and a second terminal and a real time clock electrically connected to a first node of the plurality of battery cells, a voltage of a single battery cell of the plurality of battery cells applies to the first node, and the real time clock draws power via the first node in a first operation state and in a second operation state of the battery system.

Abstract: A battery charge control apparatus to be installed in a vehicle includes a current regulation circuit and a controller. The vehicle is provided with a first battery, a voltage converter, a second battery, and an onboard device. The voltage converter lowers an output voltage of the first battery. The second battery is electrically charged by an output from the voltage converter and outputs a voltage lower than an output voltage of the first battery. The onboard device is operated by an output from the second battery and an output from the voltage converter. The current regulation circuit is disposed between the voltage converter and the second battery and reduces an amount of a charging current to be delivered via the voltage converter to the second battery. The controller controls the current regulation circuit on the basis of an output current from the voltage converter.

Abstract: Disclosed is an overcharging prevention device. The overcharging prevention device includes a micro controller unit (MCU) configured to control a charging or discharging of a battery, a sensor configured to obtain sensing information by sensing the battery, a transceiver configured to transmit the sensing information to the MCU, and a switch configured to cut off a voltage supplied to the battery in response to a signal from the transceiver. The MCU, the transceiver, and the sensor may be supplied with power from an external power supply. According to the present invention, safety specifications can be reinforced because whether the battery is overcharged is detected regardless of whether the MCU operates.