Abstract: In some embodiments, a power supply system includes two power modules each configured to be electrically coupled to a set of battery cells. The set of battery cells produces a first voltage when in a first operational state, and a second voltage when in a second operational state. The second voltage is less than the first voltage. The first power module is configured to provide a third voltage to a load device that is substantially equal to the first voltage, when the set of battery cells is in the first operational state. The second power module is configured to provide a fourth voltage to the load device that is substantially equal to the first voltage, when the set of battery cells is in the second operational state.

Abstract: A first device including a battery, a first connector, a charging module, a sensing module, and a communication module. The first connector includes a power supply pin, a ground pin, two transmit pins, and two receive pins, and connects the first device to a second device. The charging module receives power from the second device via the power supply pin and the ground pin to charge the battery and supplies power from the battery to the second device via the power supply pin and the ground pin. The sensing module senses the power supply pin and the ground pin of the first connector and detects when the first device (i) connects to the second device via the first connector and (ii) disconnects from the second device. The communication module communicates with the second device via the two transmit pins and the two receive pins using a PCIe protocol.

Abstract: A series battery charger with the function of separate detection, and more particularly a series circuit for detecting the battery charging process and for conducting a series combined discharging process on the same battery charger. The present invention provides a circuit structure capable of selectively switching to an “separate detection charging and series combined discharging mode” and a “synchronous switching control charging and discharging mode” by a synchronous changeover switch module in conjunction with charging circuits. In this way, the stored electric energy can be released for use by the series-connected separate detection charging circuits. Moreover, the charger can deliver 5V power via the standard USB interface to the 3C electronic products for the charging purpose. Meanwhile, the problems of conventional AA or AAA battery chargers and lithium batteries designed as a portable power are overcome, thereby enhancing the effect and safety of the charger.

Abstract: A backup battery charger charges a backup battery of a handheld electronic device. The handheld electronic device comprises a power supply unit and an electronic component. The power supply unit supplies a power to the electronic component. The backup battery charger is connected to the electronic component, such that the backup battery charger shares with the electronic component the power, uses the power as a charging power, and controllably determines via a control module whether to supply the charging power to the backup battery.

Abstract: A power storage apparatus provided with a capacitor module and a power storage control circuit is connected between a generator and an electrical load. The capacitor module includes a plurality of capacitors and a plurality of switching devices which are connected in series with the capacitors, respectively, the capacitors and the switching devices together constituting a plurality of series circuits which are connected parallel to each other. When starting up the generator, the power storage control circuit controls only the specified switching device to become ON in order to quickly charge the capacitor which is connected in series with the switching device so that a voltage of the capacitor module is increased and a power source for starting up the generator is produced as high speed.

Abstract: A systematic method and system for testing the charging and starting systems of a vehicle, which requires each individual test to pass before proceeding is provided. In addition, the invention incorporates an improved alternator test that determines whether the alternator belt is slipping using data read using a vehicle data port. Further, the invention provides a battery bank test that correlates the voltage before and after a load is applied to the battery bank to the batteries' conditions. When testing the starter, the oil temperature is read via the vehicle data port, allowing for a determination of whether the current draw is abnormally high.

Abstract: A method for checking and modulating battery capacity and power based on charging/discharging characteristics is provided. In terms of discharge, a relationship between an open circuit voltage and an output electric capacity of a battery is measured to obtain a first characteristic curve. A relationship between a voltage and the output electric capacity of a battery at a predetermined maximum charge/discharge current rate is measured to obtain a second characteristic curve. A characteristic boundary line passing the first and the second characteristic points respectively selected from the first and the second characteristic curves is established. A voltage value corresponding to the first characteristic point is higher than a voltage value corresponding to the second characteristic point. The first and the second characteristic curves, and the characteristic boundary line define an operation range. The battery is charged/discharged within the operation range.

Abstract: Disclosed is a distributed battery management system that uses cell modules that are attached to cell terminals. A connector tab extends from the cell modules that provides a solid thermal and electrical connection to a cell terminal, as well as structural support for the cell module. A single wire is used to connect the cell modules that carries power, a voltage sample level, a serial data stream, indicating the temperature at a cell terminal to which the cell module is connected, and voltage level of each of the cells, as well as discharge current to equalize the charge of each of the cells. Various adapters can be used for different cell formats, which provide structural support for the cell modules. Reverse connection protection circuitry is also provided that protects the circuitry in the cell modules from accidental reverse connection.

Abstract: In a charging system, an interlock switch is configured to be turned on when a power switch of a vehicle body is turned off and turned off when the power switch is turned on is disposed between a negative terminal of a battery and a second negative input portion. A first positive output portion and a second positive output portion are connected to each other with a coil of a relay circuit installed in the charger body interposed therebetween. A relay switch of the relay circuit in which on and off operations are switched by the coil is connected to the first positive output portion.

Abstract: A system for charging a battery pack of an electric vehicle comprises a heater for pre-heating the battery pack so that the battery pack is able to accept a charge from a charger. The battery pack is selectively de-coupled from the system during the pre-heating. When the battery pack has reached an appropriate temperature, the heater is selectively de-coupled from the system and the charger is coupled to the system to charge the battery. Advantageously, the battery pack is protected during pre-heating.

Abstract: A battery protection circuit for protecting a secondary battery composed of a first cell and a second cell, includes a reference voltage supply circuit that outputs a first reference voltage and a second reference voltage generated based on cell voltages of the first cell and the second cell, respectively; a first detection circuit that outputs a signal prohibiting charging when at least one of the cell voltages of the first cell and the second cell exceeds a predetermined overcharge indication value; a second detection circuit that outputs a signal prohibiting charging when at least one of the first reference voltage and the second reference voltage is not within a predetermined target range; and a control circuit that controls to prohibit charging when at least one of the outputs from the first detection circuit and the second detection circuit is the signal prohibiting charging.

Abstract: A charger includes a charging cable and a charging connector. A heater is configured to heat the charging connector using electric power supplied through the charging cable. A state determining device is configured to detect a charge state of a vehicle-mounted battery and to determine whether a heating condition to heat the charging connector is met. A heating controller is configured to control heating performed by the heater based on a determination made by the state determining device. The heater is able to be switched into a post-charge heating state in which the heater heats the charging connector after completion of charging of the vehicle-mounted battery. The heating controller switches the heater into the post-charge heating state and controls heating performed by the heater when the state determining device detects that charging of the vehicle-mounted battery is completed and determines that a heating condition is met.

Abstract: The present inventions relates a wireless charging coil structure in electronic devices, comprising a PS coil module capable of emitting electromagnetic wave energy and a PR coil module capable of receiving power energy by electromagnetic induction. Each of the PS and PR coil modules includes a bar-shaped magnetic conductor, on which an insulated wire is wound into a first coil that is extended along the magnetic conductor to a given length and wound reversely into a second coil, thus producing an induction coil comprising at least the first and second coils. The induction range with given space formed between the first and second coils is used for electromagnetic induction to transmit signals and power energy. Such structure can be applied not only in planar handheld electronic devices, but also in other wireless power transmission systems that require narrow induction surface for power transmission.

Abstract: According to one embodiment, a system configured to provide dynamic power management for a plurality of energy cells comprises an array of energy cells for providing a primary current path to a load, and a respective power stage for each energy cell. The power stages are configured to transfer power to and from each respective energy cell. The system further comprises a temporary energy storage node enabling energy transfer from a first plurality of energy cells comprised by the array of energy cells to a second plurality of energy cells comprised by the array of energy cells. In one embodiment, the system further comprises a feedback system for maintaining the temporary energy storage node at a constant average power.

Abstract: A slot-type induction charger having light, thin, short and small characteristics is disclosed to include a power base holding therein a control module and a power-supplying coil module in a base member thereof for inducing an electric current, and an induction charging receiver set in the base member for receiving the induced electric current by electromagnetic induction from the power base for charging an electromagnetic device being connected to an electrical connector thereof. The power-supplying coil module and the power-receiving coil module each includes a magnetic conductor and a series of coils being alternatively and reversely wound around the magnetic conductor.

Abstract: Provided is a battery pack capable of reducing the number of terminals of a battery protection IC. When a battery (15) enters an overdischarge state, a temperature switch IC (12) included in a battery pack (10) monitors a voltage of a voltage monitoring terminal (VM2) provided to an external connection terminal (EB?), rather than a voltage of a terminal of the battery protection IC (11) for use in communication with the temperature switch IC (12), and then shuts down. Therefore, the battery protection IC (11) included in the battery pack (10) does not require an additional terminal for use in communication with the temperature switch IC (12).

Abstract: Disclosed herein is an efficient and high capacity electrical energy storage device consisting of diaphragm-less anode and cathode cells charging and discharging an electrolyte containing suitable ions that store electrical energy during the charging cycle and release the electrical energy during the discharge cycle. The charge-discharge reactions are reversible so that the efficiency does not reduce with the number of cycles and efficiency is maintained until the last of the charged electrolyte passes through the cells.

Abstract: An apparatus for charging a plurality of series connected battery cells includes first and second input terminals for providing a charging voltage to the plurality of series connected battery cells. A transformer includes a primary side associated with the charging voltage and a secondary side including a plurality of portions. Each of the plurality of portions connected across at least two of the plurality of series connected battery cells. A first switch in series between each of the plurality of portions of the secondary side and a first battery cell of the at least two of the plurality of series connected battery cells provides a charging current to the first battery cell during a first portion of a cycle of a current in the primary side of the transformer.

Abstract: In a charging method for a non-aqueous electrolyte secondary battery which includes a positive electrode including a lithium-containing composite oxide as an active material, a negative electrode including an alloy-formable negative electrode active material, and a non-aqueous electrolyte, a voltage of the secondary battery is detected. When the detected value is smaller than a predetermined voltage x, charging is performed at a comparatively small current value B. When the detected value is equal to or greater than the predetermined voltage x and smaller than a predetermined voltage z, charging is performed at a comparatively great current value A. When the detected value is equal to or greater than the predetermined voltage z and smaller than a predetermined voltage y, charging is performed at a comparatively small current value C. When the detected value is greater than the predetermined voltage y, constant-voltage charging is performed or charging is terminated. Here, x<z<y.

Abstract: An apparatus is provided to estimate a charged state of a vehicle provided with an internal combustion engine having a crankshaft, a starter that initially rotates the crankshaft when the engine is started, and a battery that powers the starter. The apparatus comprises a detection device and an acquisition device. The detection device detects a voltage of the battery and a discharge current from the battery for a period of time over time instants before and after starting the engine. The acquisition device acquires information indicative of an amount of the discharge current from the battery when the detected voltage of the battery becomes a minimum due to starting the engine.