The present disclosure provides a new and innovative method and system for the thermal management of devices, such as medical devices and other electronic devices. In various embodiments, a computer-implemented method includes measuring a current temperature of a device drawing power at a charge current level, identifying a current temperature threshold in a plurality of temperature thresholds based on the current temperature, the plurality of temperature thresholds including at least one rising temperature threshold and at least one falling temperature threshold, increasing the charge current level of the device when the current temperature is below a falling temperature threshold for a first period of time, and decreasing the charge current level of the device when the current temperature is above the rising temperature threshold for the first period of time.

A method for transmitting wireless power in a wireless charging system and a wireless power transmitting unit (PTU) are provided. The method for transmitting wireless power in a wireless charging system includes receiving information related to a voltage from each of a plurality of power receiving units (PRUs), identifying a voltage ratio of each of the plurality of PRUs based on the received information where the voltage ratio is a current voltage relative to a first voltage, determining a PRU among the plurality of PRUs based on the identified voltage ratio, and adjusting transmission power according to a voltage setting value of the determined PRU.

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 energy management system may include local unit(s) associated with energy storage devices. The local unit(s) may compare operating parameter values of the storage devices with a setpoint. The local unit(s) can generate an output signal representative of a comparison of the operating parameters values with the setpoint value. The system also may include a monitoring unit operably coupled with the local unit(s). The monitoring unit may receive the comparison from the local unit(s) and generate a time-varying, repeating signal that is based on the comparison. This signal has one or more characteristics indicative of the number of the energy storage devices having operating parameter values that are outside of the designated range.

Methods, systems, and devices for temperature-dependent charging of supercapacitor energy storage units of asset tracking devices are provided. An example method for temperature-dependent charging involves obtaining a temperature reading measured at an asset tracking device, the asset tracking device located at an asset to monitor travel of the asset, determining a target voltage for a supercapacitor energy storage unit of the asset tracking device based on the temperature reading to balance utilization of a capacity of the supercapacitor energy storage unit against temperature-dependent deterioration of the supercapacitor energy storage unit, and controlling a charging interface of the asset tracking device to charge the supercapacitor energy storage unit to the target voltage.

An electrified vehicle may be additionally equipped with a swappable battery, and a power source management method for the same. The electrified vehicle includes a driving power unit including a motor and an inverter, a main battery unit electrically connected to the driving power unit, the main battery unit including a first battery and a first BMS for controlling the first battery, the main battery unit being fixedly disposed in the electrified vehicle, and a DC converter electrically connected to the main battery unit, the DC converter including a connector, in which, when a swappable battery unit including a second battery and a second BMS for controlling the second battery may be connected to the connector, the first BMS acquires second battery information output by the second BMS.

An apparatus for communication and balancing in a battery system includes a battery pack connected to a management network. The management network is configured to communicate with a master controller via a communication bus. The apparatus is configured to operate in a communication mode and a balancing mode.

The present disclosure provides systems and methods for managing a temperature of a battery energy storage system (“BESS”). A method may comprise identifying operating temperature limitations of the BESS; obtaining a forecast horizon comprising a forecast of external environmental conditions for a time period; identifying a charging/discharging schedule of the BESS; simulating operation of the BESS for the time period for each of a plurality of sequences of thermal management modes according to the charging/discharging schedule and the forecast horizon, the simulating generating an energy consumption and an operating temperature forecast of for each of the plurality of sequences of thermal management modes; selecting a sequence of thermal management modes of the plurality of sequences; and operating the equipment according to the selected sequence of thermal management modes.

According to various embodiments, an electronic device may include: a housing, a battery, at least one sensor, a charging circuit, and at least one processor, wherein the at least one processor is configured to: control the charging circuit to charge the battery with a first charging current through the charging circuit, measure a temperature associated with the electronic device using the at least one sensor while charging the battery with the first charging current, based on the temperature associated with the electronic device being equal to or higher than a first threshold temperature, decrease the first charging current to be a second charging current and charge the battery with the second charging current, and based on the temperature associated with the electronic device being below a second threshold temperature lower than the firstSAVE threshold temperature while charging the battery with the second charging current, decrease the first charging current and charge the battery with the decreased charging current, wherein the battery is configured to be charged with the first charging current decreased based on a number of times the first charge current has been decreased, the temperature associated with the electronic device being below the first threshold temperature.

A battery charging device for charging a discharged or depleted battery, the device including one or more temperature sensors for measuring or approximating a temperature of the discharged or depleted battery and a controller receiving input signals from the one or more temperature sensors for compensating a charging operation of the battery charging device.