Abstract: A motor vehicle, particularly a passenger car, contains an onboard electrical system having a number of electrical consumers, a generator and an onboard electrical system rechargeable battery. A bidirectional interface is provided for a rechargeable device battery of a mobile device such that the rechargeable device battery can be coupled to the onboard electrical system by the bidirectional interface and, when coupled, can both be charged by the onboard electrical system and be used as an additional energy source in the onboard electrical system.

Abstract: A pair of earbuds having interchangeable and rechargeable batteries is implemented, enabling the user to switch out a depleted battery with a charged one and virtually endlessly listen to music, video, etc. A rear of the earbud's main body is adapted with charging/connecting points to which corresponding connecting points on a detachable battery are positioned. The contact points are positive and negatively charged so that a current from the battery can pass to the main body for use. In addition, the battery is external to the earbud's main body so that the user can easily detach and replace it with a new one within seconds. Furthermore, a rear side of the battery is adapted with a touch-input surface that receives input from a user to control the earbuds and connected computing device's functions, such as play and pause, adjust the volume, and answer phone calls.

Abstract: A monitoring method includes, among other things, within an electrified vehicle, providing an accessory battery that is configured to power an electrical bus, and a traction battery that is configured to power the electrical bus. The method further includes loading the electrical bus with electrical loads of the electrified vehicle when an amount of power provided to the electrical bus by the traction battery is reduced. After the loading, the method compares an electrical parameter of the accessory battery to a threshold value to assess a condition of the accessory battery.

Abstract: An arrangement for controlling a disconnector arranged between power batteries and a consumer side of an electric system of a motor vehicle comprises a maneuver switch to be manually operated and configured to connect a control unit for the control of the disconnector to a conducting line on the battery side of the disconnector. The maneuver switch is configured to in a first position by movable contact members thereof connect each of two fixed output contacts to a different of two fixed input contacts than in a second position. A parameter is sensed on at least one input line from the maneuver switch to the control unit for determining which of the first and second position is assumed by the maneuver switch.

Abstract: A monitoring apparatus includes: a monitoring portion that monitors a voltage of each of battery cells connected in series, each of the battery cells having an electrode terminal; and a wiring portion that connects the monitoring portion and the electrode terminal. The wiring portion includes a first flexible substrate and a second substrate that have flexibility and are integrally linked with each other. A linking part where the first flexible substrate and the second flexible substrate are linked is bent. The first flexible substrate is connected with the electrode terminal. The second flexible substrate is connected with the monitoring portion. One of the first flexible substrate and the second flexible substrate includes an arm. Another of the first flexible substrate and the second flexible substrate other than the one including the arm includes a slit. The arm is fixed to the slit, causing the linking part to be reinforced.

Abstract: Management system for a rechargeable energy storage device in an electric vehicle and corresponding method is disclosed. The rechargeable energy storage device has one or more battery packs each having a plurality of modules with one or more respective cells. A respective module management unit is embedded in each of the plurality of modules through respective microcircuits and configured to determine one or more local parameters. A supervisory controller is configured for two-way communication with the respective module management unit. The supervisory controller is configured to receive the local parameters, determine one or more global pack parameters based in part on the local parameters and transmit the global pack parameters back to the respective management unit. The supervisory controller is configured to control operation of the rechargeable energy storage device based in part on the global pack parameters and the local parameters.

Abstract: An energy supply device for a motor vehicle has a high-voltage energy storage device and a control device for controlling the charging and discharging operations of the high-voltage energy storage device. The control device is designed to determine a temperature of the high-voltage energy storage device and to adjust a predetermined working range of the high-voltage energy storage device, which is defined by an upper limit and a lower limit, as a function of the determined temperature.

Abstract: A power tool system includes a power tool having a tool housing and a load disposed in the tool housing. The tool housing includes a battery pack receptacle having a set of tool terminals. The power tool system includes a set of battery packs. Each battery pack includes a battery pack housing operably connectable to the battery pack receptacle through a battery pack interface disposed on the battery pack housing, a set of battery cells disposed in the battery pack housing, and a set of battery pack terminals electrically connectable to the set of tool terminals and electrically connected to the set of battery cells. Each battery pack in the set of battery packs has a same nominal voltage and defines a common interface and at least a portion of the set of battery packs defines a total volume in a range of approximately 150 cm3 to 1300 cm3.

Abstract: An electric power supply system includes a charger, first and second high electric potential side lines, first and second diodes, a first battery and a first load, a second battery and a second load, a first switch, a second switch, and a control device. The control device is configured to switch the first switch to an open state and maintain the second switch in a close state when the first battery reaches a predetermined level or higher of a state of charge earlier than the second battery after the control device starts charging the first battery and the second battery.

Abstract: A method for determining a maximum storage capacity of an energy store, in particular as a drive battery of a vehicle with an electrical drive, including the steps of determining a state of charge of the energy store of the vehicle, charging the energy store until it reaches its maximum amount of charge, completely discharging the energy store using a separate energy storage unit for receiving the charge of the energy store, wherein an amount of charge transferred from the energy store to the energy storage unit is captured, and outputting the transferred amount of charge upon complete discharging of the energy store as the maximum capacity of the energy store.

Abstract: This disclosure details exemplary home energy storage systems capable of storing electricity locally for later consumption, such as for charging an electrified vehicle, supporting various home energy needs, and supporting alternative energy storage/power source functionality. An exemplary home energy storage system may include a stationary unit, one or more modular units removably connectable to the stationary unit, and a rack mounting and handcart transportation system configured to mount, detach, and transport the modular unit relative to the stationary unit. Once undocked from the stationary unit, the modular unit(s) may be utilized as a portable power source for powering one or more electrical loads. This disclosure further describes various interconnected functionalities (e.g., electrical and wireless communication of state of uses) between the stationary unit and the modular unit of home energy storage systems and between the modular unit and various satellite equipment associated with the modular unit.

Abstract: A wearable apparatus includes a wearable electronic device comprising a rechargeable power source, charging circuitry, a processor, and a display. A strap arrangement is connected to the wearable electronic device and comprises one or more charge ports. Each charge port is electrically coupled to the wearable electronic device and comprises a volume of resilient material comprising a through-hole dimensioned to receive one of the electronic devices. The volume of resilient material is configured to stretch and generate a retentive force sufficient to retain the electronic device within the through-hole. Electrical contacts are disposed on a wall of the volume of resilient material and recessed within a thickness of the volume of resilient material. The electrical contacts are configured to electrically communicate with corresponding electrical contacts of the electronic device.

Abstract: An electric vehicle includes a power receiver, a controller, an error detector, and a record processor. The power receiver wirelessly receives electric power from power transmission equipment disposed outside the vehicle. The controller controls the reception of the electric power via the power receiver. The error detector detects an error in power transmission from the power transmission equipment to the power receiver during the control of the reception of the electric power by the controller. The record processor records error history information regarding the error detected by the error detector and causes a data volume of the error history information retrievable from the record processor to be smaller when the error is due to a foreign object present between the power transmission equipment and the vehicle than when the error is not due to the foreign object.

Abstract: A work equipment that can temporarily store an article that is collected while traveling, and includes a work equipment main body, a container device configured to store the article collected by the work equipment main body while being connected to the work equipment main body, and to travel to and back from a collected article destination by being detached from the work equipment main body, a travel drive unit configured to cause the container device to travel, a battery mounted to the container device to power the travel drive unit, a battery state of charge sensor configured to detect a remaining battery charge of the battery, and a control unit that determination whether the container device may be detached from the work equipment main body or not according to the remaining battery charge.

Abstract: A charger or power supply is provided that effects substantially continuous charging to one or more devices and/or batteries, on a surface of the charger or power supply. The charger or power supply comprises: a plurality of coils arrayed in one or multiple layers to provide substantially continuous charging or to supply wireless power over an effective charging area of the surface of the charger or power supply, wherein the effective charging area is larger than a single coil surface area, and the coils are arrayed such that any location on the effective charging area is at a distance equal to or less than a radius or a side-to-center length of at least one coil. Ferromagnetic and/or electrically conductive layers or structures positioned within the charger or power supply shield components within the charger or power supply (or shield the nearby environment of the charger or power supply).

Abstract: A vehicle capable of transmitting power to another vehicle includes an acquisition section that acquires a distance from a location of the vehicle to a specified point; a comparison section that compares the distance with a cruising range of the vehicle; and a control section that controls the power transmission to the other vehicle according to a comparison result.

Abstract: A method of inspecting the safety of an electric vehicle charger includes: fastening a charger connector between a charger side and a vehicle side; checking for an abnormality in the charger and the charger connector by checking for a leakage current; raising a voltage of a quick charger to a voltage of a high-voltage battery of a battery unit by closing a high-voltage battery main relay; charging a motor inverter capacitor of an inverter unit connected to the battery unit by closing the high-voltage battery main relay; opening the high-voltage battery main relay and then closing a quick charge relay of a charging unit connected to the inverter unit; checking whether normal charge is enabled by requesting a normal charge voltage and a normal charge electric current from the vehicle side to the charger side; and forcedly discharging a voltage with which the motor inverter capacitor is charged.

Abstract: Disclosed is an electronic device comprising: a housing; a seating portion formed inside the housing such that a first external electronic device and a second external electronic device are seated thereon; at least one interface that is electrically connected to the first external electronic device and to the second external electronic device and can transmit/receive power to/from the same; and a processor electrically connected to the at least one interface, wherein the processor acquires a first remaining time to use a first battery included in the first external electronic device connected through the at least one interface; the processor acquires a second remaining time to use a second battery included in the second external electronic device connected through the at least one interface; and the processor manages power of at least one of the first battery and the second battery such that the first remaining time to use the first battery and the second remaining time to use the second battery become substa

Abstract: Systems, methods, and computer media for battery system management and non-linear estimation of battery state of charge are provided herein. Battery data is received for a time period over which a battery system has operated. The battery data represents the actual performance of the battery system over the time period. Sub-periods of charging or discharging can be identified in the time period. For the sub-periods of time, a curve can be fit to the battery data. Using the curves for the battery data for the sub-periods of time, an expected performance of the battery system, over a range of states-of-charge, can be determined. Operating instructions for the battery system can be provided based on the expected performance.

Abstract: Combination fuel cell stack and electrochemical battery system provides stable and redundant electrical power to one or more traction motors. The electrochemical battery packs comprise modules that are switched between a low-voltage parallel configuration connecting to the fuel cell stack and a high-voltage series configuration connecting to the traction motors, thereby harvesting low-voltage energy from the fuel cells and deploying that energy as high-voltage power to the motor. The plurality of electrochemical battery packs can be switched such that at least one is always connected to the traction motor for continuity of power.