A charge-discharge control circuit, method, device and a storage medium are provided. In some embodiments, the circuit includes: a starting power supply; and a main positive switch unit. In those embodiments, a first terminal of the main positive switch unit is connected to the starting power supply, and a second terminal of the main positive switch unit is connected to a generator of the vehicle and a load of the vehicle. The main positive switch unit is configured to interrupt a current in a first current direction, which is a current direction when the generator charges the starting power supply. The circuit also includes a battery management module configured to detect a voltage of the starting power supply, and control the main positive switch unit to interrupt the current in the first current direction when the voltage of the starting power supply reaches a preset voltage threshold.

An article of manufacture for providing a leak resistant facemask according to the present invention is an automated accessory for a spare tire hoist for an automotive vehicle having a direct current power source and a spare tire stored in a horizontal orientation beneath the underside of a vehicle body and including a hoist with a rotatable drive input for raising and lowering said spare tire. The automated spare tire hoist includes a bidirectional direct current motor for mounting beneath said underside of the vehicle body proximate the spare tire hoist and having a motor output drive shaft and electrical input leads, speed reduction gearing coupled to the motor output drive shaft and having a gear output drive shaft, a coupler extending from the gear output drive shaft for engagement with said hoist drive input, a load-actuated circuit breaker coupled in circuit with the electrical input leads to said motor and having accessory power leads for connection to the direct current power source of the vehicle; and an actuating electrical switch coupled in circuit with the accessory power leads and located remotely from the motor for alternatively driving the motor in opposite directions and for cutting power to the motor entirely.

An article of manufacture for providing a leak resistant facemask according to the present invention is an automated accessory for a spare tire hoist for an automotive vehicle having a direct current power source and a spare tire stored in a horizontal orientation beneath the underside of a vehicle body and including a hoist with a rotatable drive input for raising and lowering said spare tire. The automated spare tire hoist includes a bidirectional direct current motor for mounting beneath said underside of the vehicle body proximate the spare tire hoist and having a motor output drive shaft and electrical input leads, speed reduction gearing coupled to the motor output drive shaft and having a gear output drive shaft, a coupler extending from the gear output drive shaft for engagement with said hoist drive input, a load-actuated circuit breaker coupled in circuit with the electrical input leads to said motor and having accessory power leads for connection to the direct current power source of the vehicle; and an actuating electrical switch coupled in circuit with the accessory power leads and located remotely from the motor for alternatively driving the motor in opposite directions and for cutting power to the motor entirely.

A power system for a vehicle includes: a high voltage battery; a low voltage DC-DC converter configured to step down a voltage of the high voltage battery and to output the stepped down voltage; a low voltage battery charged by an output current of the low voltage DC-DC converter, where the low voltage battery includes a first cell group including a plurality of battery cells, and a second cell group connected in parallel with the first cell group and including a plurality of battery cells; and a plurality of switches configured to electrically connect or disconnect the first cell group or the second cell group with the low voltage DC-DC converter, electrical loads configured to receive power from at least one of the low voltage DC-DC converter and the low voltage battery; and a controller configured to control opening or closing of the plurality of switches.

A power system for a vehicle includes: a high voltage battery; a low voltage DC-DC converter configured to step down a voltage of the high voltage battery and to output the stepped down voltage; a low voltage battery charged by an output current of the low voltage DC-DC converter, where the low voltage battery includes a first cell group including a plurality of battery cells, and a second cell group connected in parallel with the first cell group and including a plurality of battery cells; and a plurality of switches configured to electrically connect or disconnect the first cell group or the second cell group with the low voltage DC-DC converter, electrical loads configured to receive power from at least one of the low voltage DC-DC converter and the low voltage battery; and a controller configured to control opening or closing of the plurality of switches.

A steer-by-wire steering system, including a steering device including a dual-system steering motor including a main system and a sub system, wherein a power supply to the main system is conducted selectively by a main power source and a backup power source, and a power supply to the sub system is conducted by only the main power source, wherein, in a normal power-supply situation in which the power supply to the main system and to the sub system is conducted by the main power source, a controller controls the sub system to operate in accordance with the main system, and wherein, in a backup power-supply situation in which the power supply to the main system is conducted by the backup power source, the controller controls the main system not to operate or to operate while limiting the power supply to the main system and controls the sub system independently.

A steer-by-wire steering system, including a steering device including a dual-system steering motor including a main system and a sub system, wherein a power supply to the main system is conducted selectively by a main power source and a backup power source, and a power supply to the sub system is conducted by only the main power source, wherein, in a normal power-supply situation in which the power supply to the main system and to the sub system is conducted by the main power source, a controller controls the sub system to operate in accordance with the main system, and wherein, in a backup power-supply situation in which the power supply to the main system is conducted by the backup power source, the controller controls the main system not to operate or to operate while limiting the power supply to the main system and controls the sub system independently.

Systems and method for mounting a vehicle topper to a roof of a vehicle are provided. A first and second cross bar are secured to the roof of the vehicle. A housing for first and second electronic displays of the vehicle topper is secured to the cross bars by way of mounting brackets. Wiring is extended between the vehicle topper and an outside power source to establish an electrical pathway between the power source and the first and second electronic displays when connected.

Systems and method for mounting a vehicle topper to a roof of a vehicle are provided. A first and second cross bar are secured to the roof of the vehicle. A housing for first and second electronic displays of the vehicle topper is secured to the cross bars by way of mounting brackets. Wiring is extended between the vehicle topper and an outside power source to establish an electrical pathway between the power source and the first and second electronic displays when connected.

An assembled body of a vehicle may include a plurality of body parts, each of which forms a portion of the vehicle body, and forming the vehicle by being assembled during combination thereof; a magnetic module provided in each of the body portions and combining the plurality of body portions with each other by use of magnetic flow of the magnetic module; and a controller engaged to the magnetic module and configured for controlling a closed circulating magnetic path produced in the magnetic module such that the plurality of body portions is combined with each other to form the assembled body or to be separated from each other according to a control signal of the controller.