A battery management system for dynamically balancing power in a battery module is provided. The battery management system comprises a plurality of modules, and each of the plurality of modules comprises a plurality of bricks. Each of the plurality of bricks comprises a plurality of blocks, electrically connected in one of a series configuration or a parallel configuration and a controller assembly provided in each of the plurality of the modules. The controller assembly comprises a first converter adapted to be connected to the plurality of bricks and a second converter adapted to be connected to an external system. The controller assembly is configured to obtain a plurality of battery pack parameters from the plurality of bricks using the first converter, process the obtained plurality of battery pack parameters and determine a current level to regulate a charging or discharging of the battery pack using the second converter.

According to an embodiment of the disclosure, an electronic device comprises: a battery, a memory, a connector including one or more signal terminals, a first converter included in a first path that connects the battery to the connector, a second converter included in second path that is distinct from the first path and connects the battery to the connector, and a processor electrically connected to the battery, the memory, the connector, the first converter, and the second converter, wherein the memory stores instructions that, when executed, cause the processor to obtain identification information of the external electronic device when the electronic device is connected to the external electronic device through the connector, determine whether the identification information matches comparison data stored in the memory, determine whether a voltage of a power terminal (vbus) among the one or more signal terminals satisfies a specified condition when the identification information matches the comparison data, and transmit power determined based on a real-time voltage of the battery to the external electronic device by using the second path through the connector, based on whether the specified condition is satisfied.

The invention relates to a battery (100) that works by regulating the power source (112) to provide a suitable voltage output so that the user's devices/products using the battery will have a high performance among several other advantages. The battery (100) comprises a positive terminal (102); a negative terminal (112); a power source (114); and a voltage regulation device (110). The voltage regulation device (110) is operatively connected to the positive terminal (102), the negative terminal (112) and the power source (114). The voltage regulation device (110) includes electronic components that are operatively connected to each other in order to regulate an output voltage in a programmed variable level.

The present disclosure provides a method and apparatus for controlling a voltage of an electric machine, applied to a vehicle having an electricity-generation-starting-up integrated electric machine, which relates to the technical field of vehicle controlling. The method includes: when the vehicle is in a voltage-controlling mode, acquiring a current battery voltage, a current battery electric current and an electric-current limit value of the vehicle; according to the battery voltage, determining an initial target voltage; according to a difference between the electric-current limit value and the battery electric current, determining a superposing-voltage value; based on the superposing-voltage value and the initial target voltage, determining a target controlling voltage; and based on the target controlling voltage, controlling the battery voltage of the vehicle.

The present disclosure relates to an emergency lighting circuit, an emergency start control method thereof and an emergency lighting system. When an emergency start condition is met, matching can be performed in a preset dimming database according to type information of load lighting equipment connected to a current emergency lighting circuit to obtain a dimming parameter value matching a power value required by the load lighting equipment, and finally, the load lighting equipment is directly controlled to start with the dimming parameter value. Through the above solution, when emergency lighting is started, there is no need to spend time in regulating power of the load lighting equipment, and a corresponding power value can be ensured when the load lighting equipment is started, which is highly reliable in emergency lighting start.

A battery charging cable can be connected to a power supplying device and supply electricity to, and thereby charge, the battery of another device when the battery is low in power. The battery charging cable includes a USB Type-C connector at one end and a positive-electrode clamp and a negative-electrode clamp at the other end, wherein the clamps can be respectively clamped to the positive and negative electrodes of the battery of a device to be charged. With the battery charging cable supporting a USB Power Delivery protocol, and the USB Type-C connector configured to provide a relatively high voltage and power, the battery charging cable provides overload protection and has great power transmission performance.

An electronic device is provided. The electronic device includes a charging circuit, a battery, and a processor operatively connected to the charging circuit and the battery, wherein the processor is configured to charge the battery with a first voltage corresponding to a first charging level, identify the number of times that supplementary charging is performed after the electronic device is detected to be in a fully-charged state, when the number of times that the supplementary charging is performed exceeds a specified number of times, configure a charging level for charging the battery to a second charging level configured to be lower than the first voltage of the first charging level, and adjust a voltage received from a power transmission device through the charging circuit to a second voltage corresponding to the second charging level and charge the battery with the adjusted second voltage.

A method includes turning on a first group of switches of a switched capacitor converter in a battery charging system to establish a first conductive path, and configuring a system voltage at a system bus to charge a first flying capacitor to a predetermined voltage level through the first conductive path, wherein the predetermined voltage level is less than the system voltage, and turning on a second group of switches of the switched capacitor converter in the battery charging system to establish a second conductive path to charge a battery, wherein a sum of a voltage across the first flying capacitor and the system voltage is applied to the battery.

A method for estimating the state of health of an exchangeable rechargeable battery. The method includes: i. determining a remaining capacity of the battery during a charging operation, in such a manner, that a first charging value is ascertained by measuring an open-circuit voltage, as long as no charging current or only a minimal charging current is flowing; at least one further charging value is ascertained by measuring the charging current in specific time intervals, until the charging operation is completed; and a sum of the ascertained charging values is calculated; ii. determining a remaining performance of the battery during the charging operation in such a manner, that after a predefined battery voltage is reached, the charging current is briefly changed, and the respective battery voltage is measured; and an impedance of the battery is calculated from the quotient of the difference of the measured charging currents and battery voltages.

The present disclosure provides a mobile power supply and a method for supplying power to a peripheral device. The mobile power supply comprises a first peripheral connection port and a second peripheral connection port, a first group of connection-port processing circuits and a second group of connection-port processing circuits, a control circuit, and a power supply circuit. A control strategy determining circuit in each group of connection-port processing circuits determines a voltage adjustment strategy according to power supply status information of a corresponding peripheral connection port. The control circuit then causes a voltage adjusting circuit in the connection-port processing circuit to adjust, according to the voltage adjustment strategy, a voltage output by the power supply circuit, such that the adjusted voltage is used to supply power to a peripheral device coupled, by means of a power supply terminal, to the peripheral connection port.