A battery system for supplying power to a load, the battery system comprising a plurality of batteries each including a battery unit and a management unit that manages a deterioration state of the battery unit, and a control unit that controls charging/discharging of each of the plurality of batteries, wherein the plurality of batteries are different from each other in deterioration states of battery units, and the control unit determines a distribution ratio representing a ratio of an amount of power to be supplied to the load by each of the plurality of batteries with respect to an amount of power to be supplied to the load, in accordance with the deterioration state of the battery unit managed by the management unit is provided.

A rechargeable battery jump starting device having a highly conductive electrical pathway from a rechargeable battery of the device to a vehicle battery being jump started. The highly conductive pathway can be provided by a highly electrically conductive frame connecting one or more batteries of the rechargeable battery jump starting device to battery clamps of the rechargeable battery jump starting device.

A power supply control device for a vehicle controls power supply to a first load. A first controller is formed on a first substrate and controls power supply to the first load. A second controller is formed on a second substrate that is different from the first substrate, and instructs the first controller to perform an operation regarding power supply. The first controller and the second controller include a first switch and a circuit switch, respectively. The first switch and the circuit switch are provided on a current path of a current flowing via the first load. The second controller provides an instruction to switch the first switch on or off.

A control method of power supply for a portable electronic device is disclosed. The portable electronic device includes a power supply module and a control circuit, and the power supply module is configured to provide electric power to the portable electronic device. The control method of power supply includes detecting, by the control circuit, a system status of the portable electronic device or a module status of the power supply module; and adjusting, by the control circuit, a reserved battery capacity of a main battery of the power supply module according to the system status of the portable electronic device or the module status of the power supply module.

To provide a power storage device control apparatus, a power storage device control system, and a power storage device control method that can increase the available power storage capacity (battery capacity) of a deteriorated power storage device such as a secondary battery without causing further deterioration of the power storage device. A battery control apparatus of an embodiment includes a controller. The controller lowers a lower limit voltage of discharge of a power storage device to a value in a range where a positive electrode potential of the power storage device is more than a first threshold or to a value in a range where a negative electrode potential of the power storage device is less than a second threshold, based on a deterioration state of the power storage device.

An electrical powertrain system for a mobile crusher is disclosed. The electrical powertrain system comprises a DC electrical supply network, a plurality of motors connected to the DC electrical supply network and configured to drive a plurality of machine operations, a plurality of batteries connected to the DC electrical supply network, providing electrical energy, a power distribution unit (PDU) managing DC power to different components of the mobile crusher, and a control unit configured to manage a charging and discharging cycles of the plurality of batteries for operation of the plurality of machine operations.

A power supply device, a method for controlling the same, and a vehicle power control system may prevent damage to electronic components as a reverse voltage preventer cuts off overcurrent flowing in a reverse direction when a reverse voltage is generated as a wire connecting a sensor is shorted.

The present disclosure provides a management system (110), a vehicle battery (1100), a power supply device, a vehicle (11000), and an over-charge protection method. The management system (110) includes a first energy storage component (1112), a battery interface (1114), a load interface (1116), and an energy storage component management circuit (1118). The first energy storage component (1112) is capable of supplying power to an electrical device (1300) and to a load. The energy storage component management circuit (1118) is configured to: disconnect the first energy storage component (1112) from the load interface (1116) when an electric charge of the first energy storage component (1112) is less than a first predetermined electric charge, and disconnect the first energy storage component (1112) from the battery interface (1114) when the electric charge of the first energy storage component (1112) is less than a second predetermined electric charge.

A charging method and system, an electronic device, and a computer storage medium are disclosed. The system includes a first device and a second device. The first device includes a boost chip and a first battery. The second device includes a charge pump chip and a second battery. The first battery is configured to output a first voltage to the boost chip. The boost chip is configured to: receive the first voltage and output a second voltage to the second device, where the second voltage is greater than the first voltage. The charge pump chip is configured to: receive the second voltage and output a third voltage to the second battery, where the second voltage is M times the third voltage, and M is a positive number greater than 1. The second battery is configured to: receive the third voltage and perform charging.

A portable backup starting device for a vehicle includes an internal power source, a switching circuit, a first voltage detecting circuit, a first electrode clip, and a second electrode clip. The first electrode clip and the second electrode clip are configured to connect to a first end and a second end of a vehicle load; the internal power source has a first electrode and a second electrode. The first electrode is coupled to the first electrode clip, and the second electrode is coupled to the switching circuit; and the switching circuit is coupled to the second electrode clip. The first voltage detecting circuit is coupled to the switching circuit, the first electrode, and the second electrode.