Abstract: A portable battery box is described. The portable battery box is suitable for charging and housing a battery and comprises: a housing having a lid, a battery removably disposed within the housing, an inverter, a computer processing system, and a display screen. The computer processing system is configured to be powered by the battery and used for receiving measured charge parameters of the battery and estimating other battery parameters.

Abstract: Provided is a charging system and a charging connector thereof. The charging system includes a charging stand, a positioning module mounted in front of the front surface of the charging stand for securing the tire of an electric vehicle, and a moving module mounted within and connected to the charging stand. The charging connector includes a positive charging plug and a negative charging plug located on the moving module. The charging connector is connected to the charging stand. When the electric vehicle is secured by the positioning module, the charging stand detects the type of the battery of the electric vehicle and drives the moving module to move outside the charging stand, so that the positive charging plug and the negative charging plug that are isolated from each other are connected to the chargeable positions of the electric vehicle, thereby forming a charging loop.

Abstract: Disclosed herein is a foreign object detector to detect a foreign object while distinguishing metal from water. The foreign object detector includes a detection coil; a transmitting circuit generating RF power of a predetermined frequency; a directional coupler outputting the RF power supplied from the transmitting circuit to the detection coil, and extracting reflected power that is a power component reflected by the detection coil; and a detection circuit receiving the reflected power extracted by the directional coupler, and detecting the foreign object by sensing a change in the frequency characteristic of the reflected power.

Abstract: Cloud systems executing method operations for communicating with connected vehicles of users having user accounts with the cloud system are provided. In one example, a method includes receiving discounts published by merchants for presentation to a network of charging units (CUs), each of the CUs being associated to a geo-location. The method also includes receiving an identification of an electric vehicle that is associated to a user account. The identification of the electric vehicle is received when the electric vehicle has parked over a charging pad of a particular CU, and the charging pad is at a geo-location of the particular CU. The method also includes identifying at least one discount to be presented to a device of the electric vehicle. The identifying is a result of filtering discounts based on user preferences associated with the user account and a proximity of a merchant location to the particular CU having the charging pad over which the vehicle has parked.

Abstract: The present invention discloses a battery intelligent management apparatus. A recognizing unit is configured to recognize a specification of a power supply assembly. A storage unit is configured to store management modes of power supply assemblies of various specifications, where the management modes of the power supply assemblies are in one-to-one correspondence with the specifications of the power supply assemblies. A control unit is configured to extract, from the storage unit and according to the specification, recognized by the recognizing unit, of the power supply assembly, a management mode corresponding to the specification of the power supply assembly, and perform charge management on the power supply assembly by using the management mode.

Abstract: A Si diode is used as a rectifying diode on a transformer secondary side of an isolated DC/DC converter, and a high-voltage Schottky barrier diode made of a wide bandgap semiconductor is used as a free-wheeling diode arranged between a rectifier circuit and a smoothing reactor. Thus, there may be provided an in-vehicle charger capable of suppressing a diode recovery surge voltage with a circuit configuration that is simpler and suppressed in cost increase as compared to a case where a related-art synchronous rectifier circuit system is employed.

Abstract: At least one embodiment of the invention provides a multi-modal rechargeable battery pack that can switch between charging algorithms dynamically. This dynamic switching can be accomplished in a wide variety of ways, for example via external command or automatically. At least one embodiment of the invention provides a system that can switch a multi-modal rechargeable battery pack between one or more of a runtime mode, a lifespan mode, and a quick charge mode.

Abstract: An underwater station may include a filter manipulator that is arranged to input a filter into a pool cleaning robot that is located in a filter replacement position and to assist in positioning the filter at a filtering position in which the filter is at least partially disposed within a fluid path formed between a first fluid opening and a second fluid opening of the housing thereby allowing the filter to apply a filtering operation on fluid that passes through the fluid path.

Abstract: A wireless charger includes a wireless charging transmitter. The wireless charging transmitter includes a transmission antenna, a driving circuit, a transmission temperature sensor, and a controller. The driving circuit can output a charging signal in a fast charging mode initially. The transmission temperature sensor can detect a transmission temperature value of the transmission antenna. The controller can receive the transmission temperature value from the transmission temperature sensor. The driving circuit is can output the charging signal in a fast charging mode initially. When the transmission temperature value is greater than an overheat value, the controller can control the driving circuit to output in a slow charging mode.

Abstract: An inter-protocol charging adapter for equipment to be charged via a bus includes: first connectors corresponding to a first charging protocol that requires the bus to be energized before the equipment closes onto the bus; second connectors corresponding to a second charging protocol that does not energize the bus before the equipment closes onto the bus; and a boost converter coupled to the bus and to at least one of the second connectors, wherein the boost converter uses energy from the second connector to energize the bus before the equipment closes onto the bus.

Abstract: An apparatus and a method for determining an operating point-dependent change in resistance factor (AFAP) of an energy storage device, wherein a start resistance is determined at an operating point start point in time, wherein a change in resistance between a present resistance of the energy storage device and the start resistance is determined at least at an operating point end point in time, wherein an end resistance is determined as a sum of the start resistance and the change in resistance determined at the operating point end point in time, wherein the operating point-dependent change in resistance factor (AFAP) is determined as a ratio between the end resistance and a nominal resistance proportion of the start resistance, and to methods for determining an operating point-dependent resistance.

Abstract: A charger including a class E power driver, a frequency-shift keying (“FSK”) module, and a processor. The processor can receive data relating to the operation of the class E power driver and can control the class E power driver based on the received data relating to the operation of the class E power driver. The processor can additionally control the FSK module to modulate the natural frequency of the class E power transformer to thereby allow the simultaneous recharging of an implantable device and the transmission of data to the implantable device. The processor can additionally compensate for propagation delays by adjusting switching times.

Abstract: The invention relates to a rechargeable battery and a method to operate a rechargeable battery having high efficiency and high energy density for storing energy. The battery stores electrical energy in the bonds of carbon and oxygen atoms by converting carbon dioxide into solid carbon and oxygen.

Abstract: A wireless charging unit for a mobile device unit. The wireless charging unit may include an interface surface for the mobile device unit to be positioned upon, and a power transmitter device configured to transmit power wirelessly to the mobile device unit when the mobile device unit is positioned upon the interface surface to charge the mobile device unit. A switch may be electrically coupled to a power connector plug and configured to disable reception of power by the power connector plug from a power outlet in response to a sensor circuit detecting that the mobile device unit has been removed from the interface surface to a distance.

Abstract: Circuits, methods, and apparatus that may allow an electronic device to control a power adapter. One example may provide an electronic system where an electronic device may control a power adapter through a communication channel. Data transferred in the communication channel may include the temperature of the power adapter, the charging capability of the adapter, and other types of data. In one example, power and data may share the same two wires, and the power and data may be time-division multiplexed. That is, the two wires may convey power and data at different times. Another example may include circuitry to detect a connection between the electronic device and the power adapter. Once a connection is detected, power may be transferred from the power adapter to the electronic device. This power transfer may be interrupted on occasion to transfer data between the power adapter to the electronic device.

Abstract: A Li—S battery including a cathode and an anode and at least one of a lithium-containing liquid electrolyte, gel electrolyte, and solid electrolyte disposed between the cathode and the anode. The cathode includes at least one of an electrically conductive carbon material, an electrochemically active cathode material that comprises sulphur, and at least partially fibrillar plastic material. The anode includes a conducting substrate which is coated at least in regions with at least one of silicon and tin. A method for operation thereof.

Abstract: A battery pack in one aspect of the present disclosure comprises: a plurality of battery blocks, a plurality of conduction/interruption units, and a control unit. The control unit selects one battery block to be electrically connected to an external device from among the plurality of battery blocks, on the basis of detection results obtained from a state detection unit, and sets the conduction/interruption unit corresponding to the selected battery block to a conducting state.

Abstract: A system wearable on a body part of a user. The system includes an electronic device powered by a primary power source, and a circuitry coupled to the electronic device. The system also includes a removable secondary power source configured to charge the primary power source with secondary power when coupled to the circuitry.

Abstract: A wireless transmitter is described herein that provides power wirelessly to an apparatus with high efficiency. For example, the wireless power transmitter may include a class E amplifier that is used as a gate driver for a main power amplifier. This advantageously enables power to be transmitted wirelessly with a 100% theoretical power efficiency and with minimal power loss. Furthermore, electromagnetic interference (EMI) issues are reduced because only low orders of harmonics are applied to the gate of the main power amplifier. A system that incorporates such a wireless transmitter and methods of operating the same are also described herein.

Abstract: The present invention provides wireless charging techniques and devices for charging electronic device(s) within a closed space defined by a substantially hollow housing containing an antenna arrangement and configured to define an inner cavity for propagation of electromagnetic radiation from the antenna arrangement. The housing has an inner surface, encompassing the inner cavity, which geometry and material composition selected to define a general propagation path for the predetermined electromagnetic radiation from the antenna arrangement towards a charging zone. The inner cavity of the housing operates as a waveguide for directionally guiding the electromagnetic radiation to the charging zone and providing substantially maximal intensity of the electromagnetic radiation within the charging zone.