A modular integrated ultracapacitor-based energy storage and power delivery apparatus (UCAP module) is described. In some embodiments, the UCAP module comprises: at least one ultracapacitor cell coupled together in a series, parallel, or combination of both series and parallel configuration; an integrated charging unit; conductive hardware electrically coupling the ultracapacitors cells together; at least one UCAP terminal rod extending throughout the UCAP module and used to route power within the UCAP module and in some embodiments to other UCAP modules; and a protective casing. In some embodiments the UCAP terminal rod couples the UCAP module to at least one additional UCAP module in a series, parallel, or a combination of both series and parallel configurations. In other embodiments, the UCAP module further comprises connector rods that electrically and mechanically couple the UCAP module to at least one additional UCAP module.

An electric device provided by the disclosure includes: a battery; at least two charging circuits respectively connected with the battery; a charging port, connected with the at least two charging circuits; and at least two wireless receiving circuits, connected with the at least two charging circuits by one-to-one correspondence; wherein the at least two charging circuits are configured for processing a voltage and a current output by the charging port or each wireless receiving circuits, and providing the processed voltage and current to charge the battery. The electric device charges the battery by using multiple charging circuits, which may improve the charging power of the battery and accelerate the charging rate.

An intermediate circuit is equipped with a first terminal connection, which includes a neutral conductor connection, and with a first and a second intermediate circuit capacitor and a diode circuit. The intermediate circuit has configuration switches which in a first state connect the intermediate circuit capacitors to one another in series and in a second state connect the intermediate circuit capacitors to one another in parallel. The configuration switches are each designed as changeover switches, which bypass the diode circuit in the first state, wherein the neutral conductor connection is connected to the diode circuit. A vehicle-based charging circuit, which includes the intermediate circuit and a rectifier circuit, is also described.

A charging management chip includes a switching charging circuit and a direct charging circuit. The switching charging circuit receives charging power, and passes through the charging power to a first node, and charges a battery according to a switching charging method and controls generation of a system voltage provided to an electronic system. The direct charging circuit receives the charging power applied to the first node via an input node, and charges the battery according to a direct charging method by providing the charging power to an output node based on a switching circuit therein. The switching charging circuit charges the battery through a first charging path including an inductor arranged outside the charging management chip, and the direct charging circuit charges the battery through a second charging path through which the charging power transferred to the output node is directly provided to the battery.

Systems and methods are disclosed herein for a charging system. The charging system may be implemented within an independent charging station or within an autonomous vehicle. Boolean charging can be used to obtain the desired charge or discharge voltage for charging an autonomous vehicle at a charging station. By combining a subset of a sequence of batteries arrays that differ in voltage by powers of two in series, where each battery array may include multiple batteries or battery cells, a voltage may be obtained which is equal to the sum of the voltages across each battery array. This voltage may be used in turn to charge additional batteries or battery arrays. The process may be repeated until the desired amount of battery arrays has been charged and the desired voltage has been achieved.

The present disclosure relates to a method for operating a temperature control system for a temperature controlled goods vehicle, wherein the temperature control system comprises: a solar panel and a temperature control unit comprising: one or more temperature control components; a battery coupled to the solar cell (200) for receiving a first charging current i.sub.1 from the solar cell; an engine operative to supply a second charging current i.sub.2 to the battery; and a controller. The method comprises: at the controller: monitoring a voltage of the battery; if the voltage of the battery exceeds a first battery voltage threshold for a first predetermined amount of time: determining a first energy count value representing an amount of energy delivered by the solar panel in a predetermined time period; if the first energy count value exceeds a first energy count value threshold: determining an average current value representing an average amount of energy delivered by the solar panel in the predetermined time period; and increasing a cycle threshold value that determines when the engine is deactivated so as to stop supplying the second charging current i.sub.2 to the battery based on the average current value.

Accessory cases that can be charged using one or more types of wireless chargers. An example can provide an accessory case having a first alignment feature for aligning to a first type of wireless charger. The first alignment feature can include one or more magnetic elements in the accessory case. The one or more magnetic elements can be located in both the base and the lid of the accessory case. Another example can further include a second alignment feature for aligning to a second type of wireless charger. The second alignment feature can include one or more magnetic elements in the accessory case.

Methods and systems are provided for an onboard charging system of an electric vehicle. In one example, the charging system includes a controller for an electric vehicle comprising a first DC energy storage device at a device voltage, a charging interface for interfacing with an external DC source of an external DC voltage, an electric machine including one or more inductive windings, a converter comprising at least two or more drive circuits operating in a first and in a second state, a first DC input and a second DC input to the converter, and a switching mechanism for selectively operating in a first state and in a second state operated by the controller, wherein in the first state the converter is responsive to drawing a drive current from the first DC energy storage device and applying current to at least one of the one or more inductive windings for moving the vehicle, and in the second state, the converter is responsive to drawing a load current from the charging interface and applying an energizing current to at least one of the one or more inductive windings for generating at least one of a regulated charging voltage for the DC energy storage device.

In some examples, the disclosure describes an electronic device with a display member, a base member rotatably coupled to the display member, the base member including an input component, a photovoltaic component coupled to an exterior surface of the display member to generate an amount of solar power, and an array of millimeter wave (mmWave) antennas to wirelessly transmit the amount of solar power to an external device.

Exemplary portable electronic devices include a housing and a power connector interface. The housing has a power input opening and includes a controller, a rechargeable battery, and battery charging circuitry coupled to the rechargeable battery. The power input opening is sized to receive an electrical connector of a cable assembly. The power connector interface includes a power conductor, a ground conductor, and other conductors and is configured to attach to the electrical connector of the cable assembly. At least one of the other conductors is configured to receive a signal, and the controller is responsive to the signal and is configured to control the battery charging circuitry.