A hybrid charging/discharging solar energy storage apparatus includes: a solar power generator configured to receive incident solar light and generate electricity; a power converter configured to receive at least power generated by the solar power generator as input power and convert the input power into output power by changing a voltage of the input power; an energy storage unit comprising a plurality of modules configured to store power; a load connection line connected to a load configured to consume power of at least one of the power converter and the energy storage unit; and a power controller configured to control charging and discharging of the energy storage unit according to preset charging/discharging policies.

Certain aspects of the present disclosure provide apparatus and techniques for charging a multi-stack battery pack. For example, certain aspects provide a circuit for charging a battery pack having multiple battery cells. The circuit generally includes a voltage regulator circuit and charge pump circuitry having an input coupled to an output of the voltage regulator circuit, and an output coupled to a first battery charging terminal. In certain aspects, the first battery charging terminal may be configured to be coupled to a terminal of a first battery cell of the multiple battery of the battery pack.

Systems and methods for charging and discharging a plurality of batteries are described herein. In some embodiments, a system includes a battery module, an energy storage system electrically coupled to the battery module, a power source, and a controller. The energy storage system is operable in a first operating state in which energy is transferred from the energy storage system to the battery module to charge the battery module, and a second operating state in which energy is transferred from the battery module to the energy storage system to discharge the battery module. The power source electrically coupled to the energy storage system and is configured to transfer energy from the power source to the energy storage system based on an amount of stored energy in the energy storage system. The controller is operably coupled to the battery module and is configured to monitor and control a charging state of the battery module.

A cell module is provided, in particular for a traction battery of a vehicle, including a plurality of cells, which are arranged in a series circuit; including at least two cell monitoring circuits for identifying a voltage applied between two poles of cells, wherein each circuit has two voltage supply connections, wherein a first voltage supply connection is coupled to a positive pole of a first cell and a second voltage supply connection is coupled to a negative pole of a second cell; and including a switching apparatus, which is configured to selectively couple the first voltage supply connection of a first cell monitoring circuit and the second voltage supply connection at least of a second cell monitoring circuit to a respective one of two positive poles or to one of two negative poles of different cells.

Disclosed are a method, a system and an apparatus to power an ultra-low voltage tow light assembly at a high-speed charging rate. In one embodiment, a tow light assembly includes a high power charging circuitry, a supercapacitor power bank, a microcontroller, an ultra-low voltage operating circuitry, an LED light bar, an LED lens, and an isolator unit. The high power charging circuitry coupled with the supercapacitor power bank fully charges the supercapacitor power bank instantaneously within few minutes. The microcontroller optimizes a wireless stop-tail-turn functionality of the tow light assembly at a minimal voltage. The ultra-low voltage operating circuitry operates the LED light bar at negligibly low voltage. The LED lens of the LED light bar operates at a low-set voltage. The isolator unit causes an automatic isolation of the supercapacitor power bank from the power source to prevent a potential short circuit and/or a power draw.

The present disclosure provides a battery supply circuit, a device to be charged, and a charging control method. The battery supply circuit includes a first cell, a second cell, a switch, a first switching unit and a second switching unit. A first end of the second cell is coupled to a first end of the second switching unit, and a second end of the second cell is coupled to a first end of the switch, a second end of the second switching unit is coupled to a second end of the switch; a first end of the first cell is coupled to the second end of the switch, a second end of the first cell is coupled to a first end of the first switching unit, and a second end of the first switching unit is coupled to the first end of the switch.

The present application discloses a battery equalization system, a vehicle, a battery equalization method, and a storage medium. The battery equalization system includes: a collection circuit; an equalization circuit; a controller, connected to the collection circuit and the equalization circuit; and a power supply branch circuit, controlled by the controller to get connected to a power supply unit and the battery equalization system when a vehicle is in an OFF gear and a cell needs enabling of equalization, so that the power supply unit supplies power to the battery equalization system.

A method for increasing temperature of a battery pack includes determining whether a temperature of a cell in the battery pack is above a lower threshold temperature. The method further includes charging, by a current directly from a charger, a balancing circuit including a resistor in proximity to the cell. The method also includes increasing the temperature of the cell in the battery pack.

A method is provided for controlling electrical components in a vehicle including multiple traction voltage systems, wherein each traction voltage system includes at least one electrical component, and which electrical component has the same function in each traction voltage system, the method involving the steps of monitoring and registering the state of health of each electrical component over time; predicting a predetermined parameter for each electrical component, which parameter is related to a future operating state inhibiting the use of the components; determining a control strategy for each electrical component based on the state of health of the electrical components to balance the parameters towards a common value; and controlling the electrical components based on the determined control strategy.

Disclosed are equalization control method, apparatus and circuit for a power battery. The equalization control method includes: detecting a to-be-equalized cell in the power battery satisfying a preset equalization starting condition, and starting to perform an equalization on the to-be-equalized cell; in a process of performing the equalization on the to-be-equalized cell, determining whether the to-be-equalized cell satisfies an equalization stopping condition; when it is determined that the to-be-equalized cell satisfies the equalization stopping condition, stopping performing the equalization on the to-be-equalized cell, and when the to-be-equalized cell satisfies an equalization continuing condition, continuing to perform the equalization on the to-be-equalized cell; and when it is determined that the to-be-equalized cell does not satisfy the equalization stopping condition, continuing performing the equalization on the to-be-equalized cell, and finishing the equalization until the time period during which the equalization is performed on the to-be-equalized cell satisfies the equalization time calculated value.