A battery system for supplying power to a load, the battery system comprising a plurality of batteries each including a battery unit and a management unit that manages a deterioration state of the battery unit, and a control unit that controls charging/discharging of each of the plurality of batteries, wherein the plurality of batteries are different from each other in deterioration states of battery units, and the control unit determines a distribution ratio representing a ratio of an amount of power to be supplied to the load by each of the plurality of batteries with respect to an amount of power to be supplied to the load, in accordance with the deterioration state of the battery unit managed by the management unit is provided.

A battery charger is provided, the battery charger comprises a housing and a cover, the housing has an open end, a charging stand is arranged inside the housing, multiple positioning grooves are arranged on the charging stand in an array to fix batteries, and a positive electrode plate is attached to bottoms of the positioning grooves; and the cover is rotatably connected to the open end, a negative electrode plate is arranged on an inner wall surface of the cover corresponding to the positioning grooves, a charging interface is formed on a side wall of the cover, and the charging interface is electrically connected to the positive electrode plate and the negative electrode plate to charge the batteries. According to the technical solution, batteries vertically placed side by side can be charged, which greatly reduces the volume of the charger and facilitates carrying and storage.

The invention enables efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of devices or batteries in one or multiple dimensions. Provided is a base unit for wireless power transfer or charging through a time varying magnetic field. The unit typically includes a magnetic material or layer that guides magnetic flux generated by a charger coil as to create a preferential path for returning magnetic flux from a receiver coil in one or multiple dimensions. The receiver may include a magnetic core having a magnetic permeability exceeding 1 with copper Litz wire around a ferrite core. With power receivers proximate to the base unit, the base unit coil may inductively generate a current in receiver coils or receivers associated with the power receivers. Uni-directionally or bi-directionally wireless communication protocols include NFC, Bluetooth, WiFi, and etc. control and optimize power transfer therebetween.

An electrical powertrain system for a mobile crusher is disclosed. The electrical powertrain system comprises a DC electrical supply network, a plurality of motors connected to the DC electrical supply network and configured to drive a plurality of machine operations, a plurality of batteries connected to the DC electrical supply network, providing electrical energy, a power distribution unit (PDU) managing DC power to different components of the mobile crusher, and a control unit configured to manage a charging and discharging cycles of the plurality of batteries for operation of the plurality of machine operations.

Charging electric vehicles at shared charging stations may involve waiting in line to connect one's vehicle. By allowing multiple motorcycles to charge in parallel at a charging station, better use of the available space can be made and the process can be more efficient for motorcyclists riding in groups. Connectors and cables are configured to connect a chain of motorcycles in parallel to a single charging station. The connectors and cables carry the charging current to each motorcycle and include communication wiring. One motorcycle is deemed a manager motorcycle, which detects the other motorcycles in the chain and initiates charging. Each motorcycle's battery management system controls the amount of charge for its respective battery.

The container for charging electronic devices is a storage device. The container for charging electronic devices is configured for use with one or more personal tools. The container for charging electronic devices forms a protected space that contains the one or more personal tools. The container for charging electronic devices incorporates a containment structure and a control circuit. The control circuit attaches to the containment structure. The containment space forms the protected space. The control circuit is an electric circuit. The control circuit illuminates the protected space. The control circuit further provides a locking structure that locks the containment structure in the closed position. The control circuit further provides a source of electric energy used for recharging the batteries of the one or more personal tools while the one or more personal tools are stored in the protected space.

A distributed battery management system for a multi-module traction battery pack of an electric vehicle is provided. The battery management system comprises an analog-to-digital converter (ADC) integrated into a battery module of the traction battery pack of the electric vehicle, and a master controller external to the battery module and in digital data communication with the ADC. The ADC converts an analog signal indicative of a sensed voltage associated with one or more cells of the battery module into a digital signal indicative of the sensed voltage. The master controller performs a function associated with the traction battery pack of the electric vehicle based on the sensed voltage.

A battery apparatus, including a plurality of battery packs including a first battery pack and a second battery pack connected in parallel, a plurality of current sensors including a first current sensor measuring a current of a first battery pack, a second current sensor measuring a current of the second battery pack, and a processing circuitry diagnosing the first current sensor and the second current sensor based on a first ratio between a current of the first battery pack and a current of the second battery pack that are calculated based on resistances or capacities of the plurality of battery packs, and a second ratio between the current of the first battery pack and the current of the second battery pack that are measured by the plurality of current sensors.

An electrical device, in particular in the form of a suction device (10) or a machine tool, with a housing (20) in which at least one electrical load, in particular an electric drive motor (11D), is arranged, wherein the electrical device has a power supply unit (80) with an energy storage receptacle (81), for the electrical power supply of the electrical load, in particular the drive motor (11D), in the interior of which at least two device interfaces (90A, 90B) for the detachable connection of a respective energy storage interface (190A, 190B) of an electrical energy storage (170A, 170B), in particular a battery pack, are arranged. The device interfaces (90A, 90B) are arranged on opposite side walls (83, 84) of the energy storage receptacle (81), so that the energy storages (170A, 170B) can be arranged on the device interfaces (90A, 90B) with mutually facing bottom walls (175).

A control device for mounting in electrical heated wearables for controlling power to electrical heating wires secured in the heated wearables and capable of charging one or more portable batteries associate therewith and communicating data relative thereto. The control device has a finger-operable switch integrated with electronic circuits mounted on a pcb board. The electronic circuits include a communication circuit to interface with a wearer person to provide message information to the wearer person. The electronic circuits has power input terminals adapted to receive operating voltage from the one or more portable batteries. The pcb board with the finger-operable switch, the wiring connections and the electronic circuits are encapsulated by waterproof material. A female USB symmetrical input connecting port is mounted at a user accessible location on the control device and isolated from the pcb board and the electronic circuits by a further waterproof material. The female USB symmetrical input connecting port has a cable connection capable of transmitting power and data to the electronic circuits and power input terminals. The female USB symmetrical input connecting port is oriented to provide access to a symmetrical male plug connector secured to a power supply cable capable for supplying voltage from an auxiliary battery supply or charger and for the transmission of data information.