A portable power system for powering an appliance connected thereto. The portable power system includes an inverter unit and a rechargeable primary energy storage unit having a first energy storage capacity. The inverter unit includes an inverter, a power outlet, and portions defining a receptacle space configured to releasably receive the primary energy storage unit therein. The inverter unit and the primary energy storage unit are configured to be electrically connected together when the primary rechargeable energy storage unit is received within the receptacle space and to provide electric power to the power outlet. The inverter unit also including a short term energy storage device that is configured to provide electric power to the power outlet and a connected appliance when the primary energy storage unit is released and removed from the inverter unit.

The present disclosure provides a terminal device and a charging control method. The terminal device includes a receiving coil, a wireless charging module, an inverter circuit and a transmitting coil. The receiving coil is configured to receive a wireless charging signal. The wireless charging module is configured to perform a wireless charging to a battery based on the wireless charging signal received by the receiving coil. The inverter circuit is configured to generate an alternating current signal based on a power supply voltage provided by the battery. The transmitting coil is configured to transmit a wireless charging signal to the outside based on the alternating current signal.

A method of controlling state of charge (SOC) of a first battery and a second battery that are connected in parallel with each other, includes: calculating the SOC of the first battery and the SOC of the second battery; controlling output voltage command values of a first direct current (DC-DC) converter and a second DC-DC converter based on the SOC of the first battery and the SOC of the second battery, the first DC-DC converter and the second DC-DC converter being connected to ends of the first battery and the second battery, respectively; and controlling the SOC of the first battery and the SOC of the second battery based on the controlling of the output voltage command values of the first DC-DC converter and the second DC-DC converter.

A system for powering an electric vehicle includes at least one electrochemical battery, a supercapacitor adder module including at least one supercapacitor battery, and a controller configured, in response to detecting that an external charging source is connected to the supercapacitor adder module, to disconnect the at least one electrochemical battery from the electric vehicle, charge the at least one supercapacitor battery from the external charging source via the supercapacitor adder module, charge the at least one electrochemical battery from the external charging source via the supercapacitor adder module, and reconnect the at least one electrochemical battery to the electric vehicle.

A system and method for managing and controlling the charging and discharging of dual batteries in a vehicle, wherein the auxiliary battery is a lithium-ion battery, and the primary battery can be of any type. The system includes a charging circuitry for charging the lithium-ion batteries using power from the power supply of the vehicle. The system further includes a controller that prioritizes the charging of the primary battery. The controller allows simultaneous charging of the primary battery and the secondary battery when the charging status of the primary between is about 13.5 Volts and prevents charging of the secondary battery when the voltage source is below 13.2 Volts.

Disclosed herein are systems and method for charging and/or discharging a hybrid battery that includes a supercapacitor and a lead-acid battery. The system can include a pair of terminals operable to be selectively coupled to one of the at least one supercapacitor or at least one lead-acid battery, said pair of terminals operable to provide for discharging and charging of the selectively coupled at least one supercapacitor or at least one lead-acid battery. The system can include a controller that is configured to store energy in the at least one supercapacitor and at least one lead-acid battery. The controller can be configured to determine if a charge or discharge state is applied to the pair of terminals. The controller can be configured to switch between the at least one supercapacitor or at least one lead-acid battery based on the determined charge status.

This disclosure details exemplary moonroof systems for vehicles. An exemplary moonroof system may include a pod assembly that may be received within an opening of a headliner. The pod assembly may be utilized to dock, deploy, and land an unmanned aerial vehicle relative to the moonroof system. The pod assembly may include a charging and cooling system for charging and cooling the unmanned aerial vehicle when it is docked within the pod assembly.

A method for powering an electric vehicle including an electrochemical battery and one or more supercapacitor batteries includes determining self-discharge rate data for the one or more supercapacitor batteries and, in response to the self-discharge rate data satisfying at least one threshold condition, notifying a user to charge the one or more supercapacitor batteries, otherwise performing operations including: measuring current within a first path connecting the electrochemical battery to the electric vehicle; storing data representing the measured current in a database; determining a current use pattern from stored current data in the database; and in response to the current use pattern satisfying a first switching condition, switching in the one or more supercapacitor batteries in place of the electrochemical battery.

A system for powering an electric vehicle includes a first switch disposed on a first electrical path between at least one electrochemical battery and the electric vehicle, a second switch disposed on a second electrical path between at least one supercapacitor top-off battery and the electric vehicle, and a controller communicatively coupled to the first switch and the second switch, wherein the controller, responsive to a first switching condition, disconnects the at least one electrochemical battery from the electric vehicle via the first switch and connects the at least one supercapacitor top-off battery to the electric vehicle via the second switch to power the electric vehicle, wherein the at least one electrochemical battery is coupled to an generator of the electric vehicle via a third electrical path, such that the at least one electrochemical battery is recharged by the generator while the electric vehicle is powered by the at least one supercapacitor top-off battery.

An electric vehicle may be equipped with a swappable battery, and a power source management method. The electric vehicle includes a motor, an inverter configured to exchange three-phase power with the motor, a main battery unit which may be electrically connected to the inverter, includes a first battery and a first BMS for controlling the first battery, and may be fixedly disposed in the electric vehicle, an OBC which may be connected between the main battery unit and the inverter and includes a DC converter, and a switch unit configured to selectively connect a connector and the DC converter to each other, or the connector and the motor to each other, 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.