A power system for a vehicle includes a control module, a low-voltage battery electrically coupled to the control module, a high-voltage battery electrically coupled to the control module, an engine electrically coupled to the high-voltage battery, and a computer. The computer is programmed to, while the vehicle is in an off state, in response to a pending download to the control module, provide power to the control module with one of the low-voltage battery, the high-voltage battery, or the engine upon determining whether the low-voltage battery and the high-voltage battery have sufficient charge to power the control module for the download.

A battery pack for a vehicle, which allows smooth communication and power connection to the vehicle when mounted to an electric vehicle. The battery pack includes a vehicle controller, an auxiliary battery and a vehicle memory to supply a driving power to the motor, and also includes a battery cell; a power supply terminal; a power supply path; a switch; a memory reader configured to read charging information stored in the vehicle memory; and a processor configured to control the switch to supply a power from the battery cell to the auxiliary battery, based on the charging information of the auxiliary battery read by the memory reader.

A control device that controls an in-vehicle battery and a charger in a demand and supply control system is configured to obtain total demand for electric power or the like generated in in-vehicle equipment, determine whether or not the total demand is able to be satisfied with electric power or the like suppliable from the in-vehicle battery, when the total demand is not able to be satisfied solely with the in-vehicle battery, and bring the charger into a drive state in a case where the total demand is able to be satisfied with total electric power or the like suppliable from the in-vehicle battery and the charger.

When a use range of an SOC (State Of Charge) of a secondary battery is expanded, the use range of the SOC is expanded by increasing an upper limit value or decreasing a lower limit value of the use range of the SOC. The increasing the upper limit value or decreasing the lower limit value of the use range of the SOC is determined to a side causing a smaller increase in a degradation rate of the secondary battery, based on at least one of a cycle degradation characteristic that defines a cycle degradation rate in accordance with the use range of the SOC and a current rate of the secondary battery and a storage degradation characteristic that defines a storage degradation rate in accordance with the SOC and a temperature of the secondary battery, and a typical use condition of the secondary battery based on a use history of the secondary battery.

Systems and methods relating to an electrical system comprising at least two modules, each module comprising at least one switching element. A first module comprises a first switching element made of a first semiconductor material and the second module comprises a second switching element made of a second semiconductor material.

Systems and methods relating to an electrical system comprising at least two modules, each module comprising at least one switching element. A first module comprises a first switching element made of a first semiconductor material and the second module comprises a second switching element made of a second semiconductor material.

The present disclosure relates to a dual energy storage system that includes a lithium ion battery electrically coupled in parallel with a lead acid battery, where the lithium ion battery and the lead-acid battery are electrically coupled to a vehicle bus, where the lithium ion battery open circuit voltage (OCV) partially matches the lead-acid battery OCV such that the lead-acid battery OCV at 100% of the lead-acid battery state of charge (SOC) is about equal to the lithium ion battery OCV at 50% of the lithium ion battery SOC.

The present disclosure relates to a dual energy storage system that includes a lithium ion battery electrically coupled in parallel with a lead acid battery, where the lithium ion battery and the lead-acid battery are electrically coupled to a vehicle bus, where the lithium ion battery open circuit voltage (OCV) partially matches the lead-acid battery OCV such that the lead-acid battery OCV at 100% of the lead-acid battery state of charge (SOC) is about equal to the lithium ion battery OCV at 50% of the lithium ion battery SOC.

An aircraft includes a first battery, provisions for transport that are powered by a second battery, and a management system for transferring energy between the first battery and the second battery.

An automotive control module includes a microcontroller having an access port, and that permits reprogramming of its functions responsive to a voltage at the access port being greater than a first predefined threshold upon power-up or reset thereof. The automotive control module also includes a boot assist control circuit lacking logical elements and including a pair of input ports, an output port directly electrically connected to the access port, and a plurality of capacitors, resistors, and transistors electrically connected between the pair and output port. The plurality outputs a voltage to the output port at least equal to the first predefined threshold responsive to voltages at both the input ports being greater than a second predefined threshold, and outputs a voltage to the output port less than the first predefined threshold responsive to the voltage at either one of the input ports being less than the second predefined threshold.