Abstract: A method of assessing multicell battery health in a battery control device includes: obtaining (i) a measured indicator value corresponding to an indicator battery parameter, and (ii) a measured first input value corresponding to a first input parameter; obtaining, based on the first input value, an expected indicator value corresponding to the indicator battery parameter; determining whether a difference between the measured indicator value and the expected indicator value exceeds a predefined cell loss threshold; and when the difference exceeds the predefined cell loss threshold, generating a cell loss alert.

Abstract: An electronic device comprises a power receiving unit and a control unit. The power receiving unit receives power supplied from a power supply apparatus. The control unit performs control so that a predetermined operation is limited and performs control so that a predetermined notification indicating that the predetermined operation is limited is provided, in a case in which predetermined power is not to be supplied from either the power supply apparatus or a battery to the electronic device.

Abstract: The invention relates to a method for managing the energy demand of a charging station for an electric vehicle having an energy storage device, a charging power being supplied and controlled conductively via a charging connection line with the aim of providing a largest possible (current) control potential in order to attain grid stability for the power supply system. An anticipated parking duration and a desired energy amount are recorded as power-specific vehicle data and customer-specific data. Based on the aforementioned data, a charging plan is established which can follow different charging strategies according to the invention which dictate the temporal progress of the charging power while parking.

Abstract: A wireless charging cradle for stowing and charging an electronic device includes a block that is resiliently compressible. A recess is positioned in an upper face of the block and is configured to position an electronic device of a user. A battery is selectively positionable in a slot that extends into a front of the block. A wireless charging pad is coupled to the block and is positioned at a lower end of the recess. The wireless charging pad is operationally coupled to the battery and is configured to charge the electronic device that is positioned in the recess.

Abstract: The present invention relates to an electronic device, and to an electronic device and method for controlling wireless charging.

Abstract: An electric vehicle automatic charging system includes an electric vehicle including a receiving cavity with an opening and a shutter for closing the opening, a battery assembly receiving in the receiving cavity and a charging device. The battery assembly includes a battery pack including an electrode connecting member and a movable bracket including a magnetic member. The charging device includes a support table, a support plate, an electromagnetic fitting member being capable of generating a magnetic force for attracting the magnetic member, and a charger. When the shutter comes into contact with the support plate, the shutter changes from a closed state to an open state, the movable bracket drives the battery pack to move away from the receiving cavity along the support plate by the magnetic force until the electrode connecting member is electrically connected to the charger. An electric vehicle automatic charging method is also provided.

Abstract: The invention relates to methods and apparatus for determining properties of a surface.

Abstract: An off-prevention circuit has a battery management system and a contactor multi-connected via a plurality of positive electrode terminals and a plurality of negative electrode terminals provided in each of the battery management system and the contactor. Even when any one connection among the connections of the plurality of positive electrode terminals and the plurality of negative electrode terminals is disconnected or opened, it is possible to maintain supply of power supplied from the battery management system to the contactor through another connection of the positive electrode terminal and the negative electrode terminal.

Abstract: In some implementations, a wireless charger includes a power transmission coil, a magnet sensor, an electromagnet, and control circuitry. The power transmission coil can wirelessly provide power at a charging area of the wireless charger through inductive coupling. The magnet sensor is arranged to detect the presence of a magnet at the charging area. The electromagnet can generate a magnetic field in the charging area when the electromagnet is energized. The control circuitry is able to selectively energize the electromagnet based on signals generated using the magnet sensor.

Abstract: A distributed converter for delivering power to a set of loads is provided. The distributed converter includes a converter battery distribution unit that includes a converter-modular power tile, and the converter-modular power tile includes a battery pack configured to deliver power to a load of the set of loads.

Abstract: A charge control device can include a plurality of control units that are mutually connected by a communication line and control charging of different batteries. The control units can each include a communication state acquisition unit that acquires a communication state of another control unit of the control units through the communication line. The control units can each include a detection unit that detects an abnormality of the other control unit based on the communication state of the other control unit acquired by the communication state acquisition unit. The control units can each include a suppression unit that suppresses an operation of the other control unit for which an abnormality is detected by the detection unit.

Abstract: A device, system, and method enhances battery performance on a user equipment. The user equipment includes a rechargeable battery, a charging circuit, and a processor. The charging circuit controls a recharging operation for the rechargeable battery. The processor determines an activity condition and a charge condition, the activity condition based on a foreground activity running on the user equipment, the charge condition based on a charge capacity of the rechargeable battery being above a capacity threshold. The processor selects a first charging rate at which the charging circuit recharges the rechargeable battery when at least one of the activity condition and the charge condition is absent. The processor selects a second charging rate when the activity condition and the charge condition are present, the second charging rate being less than the first charging rate.

Abstract: Provided is a non-contact power transmission system with which it is possible to ion a primary coil and a secondary coil more accurately. A vertical distance estimation unit estimates the vertical distance between the center of the primary coil and the secondary coil on the basis of a voltage value detected by a voltage detector. A horizontal distance estimation unit estimates the horizontal distance between the center of the primary coil and the center of the secondary coil on the basis of the vertical distance estimated by the vertical distance estimation unit, the voltage value detected by the voltage detector, and the voltage value-distance information stored on the memory.

Abstract: A charging device includes an AC/DC converter, a first DC/DC converter, a second DC/DC converter, and an inductance element. The AC/DC converter is connected to an external power source and configured to convert AC power into DC power. The first DC/DC converter is configured to convert a voltage the DC power outputted from the AC/DC converter and supply the resultant DC power to a first battery. The second DC/DC converter is connected in parallel to the first battery on the output side of the first DC/DC converter, and configured to convert a voltage of the DC power outputted from the first DC/DC converter and supply the resultant DC power to a second battery. The inductance element is provided between the first DC/DC converter and the second DC/DC converter, and connected in series to the first DC/DC converter and the second DC/DC converter.

Abstract: A method and apparatus for preventing cross-talk in systems employing one-to-many magnetic resonance power transfer are disclosed. A method may include powering down a magnetic resonance coil, receiving an identifier from a power receive unit located at a predetermined charging location using close-range wireless communication, powering up the coil, receiving information from the power receive unit using short-range wireless communication addressed with the identifier, transferring energy from the power transfer unit to the power receive unit using the coil, and displaying an indication of the status of the battery to a display communicatively coupled to the power transfer unit. The predetermined location may be among a plurality of locations for a plurality of power receive units in proximity to the power transfer unit and the information received from the power receive unit may be indicative of a status of a battery electrically coupled to the power receive unit.

Abstract: A rechargeable battery jump starting device and a battery frame for use in an electronic device such as a portable rechargeable battery jump starting device. The rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery to a battery being jump started.

Abstract: A communication amount and a processing load of an external circuit of a power supply management integrated circuit are reduced. The power supply management integrated circuit includes a state determination unit and a battery remaining quantity measurement unit. In the power supply management integrated circuit, the state determination unit determines which one of a plurality of states corresponding to different cycles a charge/discharge state of a battery falls under. Furthermore, in the power supply management integrated circuit, the battery remaining quantity measurement unit measures a battery remaining quantity of the battery each time when the cycle according to the state of charge/discharge state of the battery determined by the state determination unit elapses.

Abstract: A personal care product system is provided. The personal care product system has a stand that has a first and second stand permanent docking magnet. A stand inductive charging coil is also positioned within the stand. A handle that has first and second handle permanent docking magnets is removably mounted to the stand. A handle inductive charging coil is positioned within the handle. The handle has a first handle flux guiding member and a second handle flux guiding member. The stand has a first stand flux guiding member.

Abstract: A battery pack includes a housing, a battery, a battery pack output voltage path that includes a charge power switch and a discharge power switch, and a battery sense output. A switch can be operably coupled between the battery and the battery sense output and configured to selectively open and close a battery sense path between the battery and the battery sense output. By one approach a first control circuit controls the open and close state of the aforementioned switch (in response, for example, to a comparison of the voltage differential across the switch to a predetermined threshold such that the switch is opened when the voltage differential across the switch becomes too positive or too negative with respect to battery voltage).

Abstract: The present invention relates to a method for detecting foreign material, and an apparatus and a system therefor, and a method for detecting foreign material in a wireless power transmitter, according to one embodiment of the present invention, comprises the steps of: measuring a quality factor value, which corresponds to a reference operation frequency, when an object is sensed; searching for a current peak frequency having a maximum quality factor value within an operation frequency band; receiving, form a wireless power receiver, a foreign material detection state packet including information on a reference peak frequency; correcting the measured quality factor value by using a difference value between the current peak frequency and the reference peak frequency; and determining whether the foreign material exists by comparing the corrected quality factor value with a predetermined quality factor threshold value.