Abstract: A power-generating system is provided including a fluid-tight chamber and an electricity-generating assembly arranged in the chamber, the electricity-generating assembly comprising a fuel cell for generating power by means of an oxidation-reduction reaction between an oxidizer and a fuel, and a supply system for supplying oxidizer and fuel to the fuel cell, the power-generating system also including a heat-control system including a cold source and a hot source, and a heat-transport fluid circuit that is configured to control the temperature of the electricity-generating assembly by exchanging heat with the cold source and the hot source.

Abstract: A lighting arrangement includes a control box which defines a line voltage wiring channel and a low voltage area and has at least one low voltage power supply mounted in the line voltage wiring channel and a controller mounted in the low voltage area and communicating with the low voltage power supply.

Abstract: A carrier module is provided for supporting at least one data storage device. The carrier module is electrically connected to a power supply module. The carrier module includes a main body, a first socket, a second socket, a connecting port, and a detection unit. The first socket, the second socket, and the connecting port are disposed on the main body. The connecting port and the detection unit are electrically connected to the first and second sockets. The data storage device is detachably connected to the connecting port. The detection unit detects whether the power supply module is electrically connected to the first socket or the second socket.

Abstract: A portable backup charger includes a set of batteries; a charging circuit; a charge-discharge protection circuit; multiple DC-DC voltage adjusting circuits including a DC-DC 19 V-output boost circuit, a 12 V output circuit, and a DC-DC 5 V-output buck circuit; a MCU circuit; a 12 V output circuit outputting a current in the range of 100 A to 400 A; and a 150 A-250 A fuse. The set of batteries is composed of lithium iron phosphate batteries and lithium cobalt oxide batteries. The 12 V output circuit outputting a current in the range of 100 A to 400 A is directly connected to the set of batteries without interference with the charge-discharge protection circuit. The charger is convenient for carrying, and is capable of providing power for different electrical instruments including for an automobile.

Abstract: A wireless power feeding system capable of long distance and highly efficient space transmission of power is provided. A wireless power feeding system includes a power transmitter, a power receiver, and a power receiving body. The power transmitter generates electromagnetic waves. The power receiver is supplied with power by means of the electromagnetic waves received from the power transmitter using a magnetic field resonance phenomenon. The power receiving body is inserted into an electromagnetic field created by the power transmitter and the power receiver, and receives power by means of the electromagnetic field.

Abstract: An apparatus (100) for protecting a circuit (200) from an input volume comprises a switchable element (10) arranged to couple the input voltage (VIN) to the circuit (200) in response to a first control signal (DRV1) having a first value and to decouple the input voltage (VIN) from the circuit (200) in response to the first control signal (DRV1) having a second value. A monitor stage (20) compares a monitored voltage (VMON) to a threshold (VIN). A controller (30) provides the first control signal (DRV1) to the switchable element (10), the first control signal (DRV1) having the first value when the monitored voltage (VMON) is on one side of the threshold (VTH) and the second value when the monitored voltage (VMON) is on the other side of the threshold (VTH), wherein the first value is independent of the input voltage (VIN) and the second value is equal to the input voltage (VIN).

Abstract: A connection arrangement includes a printed circuit board, a semiconductor component arranged on a first surface, a first side, of the printed circuit board, a connection means arranged on a second surface, a second side, of the printed circuit board, a contact element contactable with the connection means and an electrical line, wherein the connection means is arranged opposite the semiconductor component.

Abstract: Objects of the invention are not to receive influence of an electromagnetic noise from a transformer and to reduce a possibility of breakage caused by shock or vibration. In a DC-DC converter apparatus of the invention, a shielding metal frame 300 is placed between a transformer 250 and a control circuit board assembly 240A housed in a case 101. A plate spring 311 attached to the metal frame 300 is pressed to cores 251 of the transformer 250 to fix the transformer 250 to a bottom portion 101a of the case 101. Heat generated from the transformer 250 is transmitted to the metal frame 300 and the bottom portion 101a of the case 101 and is then radiated.

Abstract: A method of pre-stressing the variable capacitor device that experiences a temporary time variant hysteresis effect is provided for electronic circuitry, which may include a mobile communication device. The method includes providing a periodic bias voltage to the variable capacitor such that the variable capacitor is maintained at least at a target stress level such that the capacitance of the variable capacitor when subject to a target bias voltage is predictable due to the time variant hysteresis effect being reduced.

Abstract: A battery includes a battery monitoring system for performing a battery self test. The battery monitoring system is integrated into the battery and configured to monitor a first health of the battery. The battery monitoring system is configured to receive an input signal from a wired interface or a wireless interface. The input signal is configured to instruct the battery monitoring system to provide feedback regarding the first health of the battery and/or a second health of the battery monitoring system. The wired interface consists of a positive terminal and a negative terminal of the battery.

Abstract: A transformer (900) comprising a primary-side auxiliary winding (976, wherein in use the primary-side auxiliary winding (976) is configured such that a first electric potential distribution is induced in the primary-side auxiliary winding (976); and a secondary-side auxiliary winding (982) configured such that a second electric potential distribution is induced in the secondary-side auxiliary winding (982). The primary-side auxiliary winding (976) is physically located between (a) a main pair of windings; and (b) the second-side auxiliary winding (982).

Abstract: The invention is a portable power supply having a built in battery, switch matrix, external voltage and impedance sensing means, inverter, and charging circuitry. The device uses a power plug for receiving AC from a wall electric receptacle; a transformer for transforming high voltage input to a low voltage output; a rectifier, for rectifying the low alternating voltage to direct voltage; at least one battery rechargeable by said direct voltage; an inverter, for inverting direct voltage supplied by the rechargeable battery to relatively low alternating voltage, which is supplied to the secondary winding of the transformer; and an alternating current (AC) socket, for receiving high voltage from the primary winding of the transformer. Both AC and DC of various voltages may be supplied by this device in a portable manner, which uses a single transformer both for recharging batteries and for supplying AC power produced via the batteries.

Abstract: An electronic apparatus includes a housing having a contact surface to be in contact with an installation surface, a first circuit board disposed in the housing and extending parallel to the contact surface, a second circuit board disposed in the housing and extending perpendicular to the first circuit board, and a panel unit disposed at the housing. The panel unit includes a casing having a first end and a second end opposite to the first end in a first direction, at least one of a display unit and an input unit, and a support portion supported by the housing and protruding from the second end of the casing. The second circuit board is positioned behind the casing of the panel unit and in a range, in the first direction, from the second end of the casing to a protruding end of the support portion.

Abstract: Methods and devices for power cycling an electronic device are provided. Also provided are systems and kits.

Abstract: A USB charger for an electronic cigarette includes a first interface, a control module and a second interface and a built-in battery. The control module is connected to the first interface, the second interface and the built-in battery respectively. The first interface is configured to connect an external power source so as to provide a power supply. The second interface is configured to connect a battery rod of an external electronic cigarette. The control module is configured to charge the battery rod of the electronic cigarette and the built-in battery simultaneously by using the external power source, or control the built-in battery to charge the battery rod of the electronic cigarette, based on the access state of the external power source at the first interface. The electronic cigarette can be charged by the USB charger even if there is no external power source.

Abstract: Exemplary systems and methods for adjusting current values in a fuel cell system for producing electricity with fuel cells, include drawing major part of the current from at least one serial connection. An adjusting circuit adjusts current values by drawing or supplying current of at least one stack of individual fuel cell stacks or current of at least one group of the groups of stacks within the serial connection. The adjusting circuit is integrated with the at least one stack of individual fuel cell stacks or with the at least one group of the groups of stacks. Compensation current of the at least one stack or group is a small percentage of a major part of the current in the serial connection of stacks.

Abstract: A mobile power supply apparatus includes a base and a main body. The base has a first socket and a second socket disposed adjacent to the first socket, and both sockets, are exposed from a side of the base. The main body is extended from the base, and the main body, the first socket and the second socket are disposed on the same side of the base, and the main body has a slot, and the first socket and the second socket are accommodated at the bottom of the slot to constitute a storage structure.

Abstract: Apparatuses and methods for configuring and managing solar panels to form strings of photovoltaic energy generators with improved performance and reduced cost. The photovoltaic energy generators are connected via one or more combined local management units (CLMUs), each having a plurality of direct current converters connected to and configured to receive direct current power from a respective solar panel. A controller unit shared by the CLMU's direct current converters is utilized to separately control the operation of each converter such that the power extracted from the solar panels is maximized. A communications unit coupled with the controller unit is utilized to facilitate communications between the controller unit and a system unit remote from the CLMU to report measurements and receive control signals.

Abstract: A power tool includes a housing, an output shaft supported by the housing for rotation about an axis, a battery terminal selectively operable to receive a DC power supply from a battery, and a receptacle selectively operable to receive an AC power supply from an AC power source. The power tool further includes a motor operable in a first power mode, in response to receipt of the DC power supply, to rotatably drive the output shaft, and also operable in a second power mode, in response to receipt of the AC power supply, to rotatably drive the output shaft. The power tool also includes a mechanical interlock movable between a first position in which the interlock inhibits the flow of the AC power supply to the motor and a second position in which the interlock inhibits the flow of the DC power supply to the motor.

Abstract: An electrical combination including a power tool, charger and an adapter separate from and connectable between the battery and the tool housing or battery charger to support the battery on the tool housing or the battery charger, the adapter having adapter leads for electrically coupling the battery to the power tool or the battery charger, the adapter having a mechanical lockout for allowing an electrical coupling between the adapter and the power tool while preventing an electrical coupling between the adapter and the battery charger.

Abstract: A light-emitting device configured to illuminate blood includes a white light source configured to emit white light, and a filter configured to progressively attenuate portions of the white light having wavelengths up to a transition wavelength within a red light spectrum of the white light. The transition wavelength may be in the range of about 610 nm to about 618 nm.

Abstract: The disclosed embodiments relate to the design of a fuel cell system which is capable of both providing power to and receiving power from a rechargeable battery in a portable computing device. This eliminates the need for a bulky and heavy battery within the fuel cell system, which can significantly reduce the size, weight and cost of the fuel cell system. This fuel cell system includes a fuel cell stack which converts fuel into electrical power. It also includes a controller which controls operation of the fuel cell system. The fuel cell system additionally includes a power link that transfers electrical power between the fuel cell system and the portable computing device, and a communication link that provides communication between the portable computing device and the controller for the fuel cell system.

Abstract: In certain embodiments, an apparatus comprises a battery housing and mechanical switches. The battery housing is configured to house one or more batteries and comprises a connector configured to provide current to a device. A surface of the battery housing forms slots, where each slot is configured to receive a battery. Each mechanical switch is coupled to a slot and is configured to allow current from the battery to flow to the connector if a battery is received in the slot, and to pass current through the slot if a battery is not received in the slot.

Abstract: A power supply device includes a main body, a cover member, a rechargeable battery, and an inverter device. The main body is configured of box-shape formed with an opening. The cover member is configured to open and close the opening. The rechargeable battery is accommodated in the main body. The inverter device is configured to be accommodated in the main body. The inverter device converts a direct voltage from the battery to an alternating voltage and outputs the alternating voltage.

Abstract: An adapter is provided with a connecter portion configured to be detachably attached to the main body of the electric power tool and at least one battery receiving portion configured to be detachably attached to the battery pack. The battery pack attached to the battery receiving portion is electrically coupled with the main body of the power tool attached to the connecter portion via a power supply circuit of the adapter. The adapter is provided with a measuring portion configured to measure an index corresponding to a charged level of the battery pack and a signal receiving portion configured to receive an alarm signal outputted from the battery pack, and is configured to stop or restrict power supply to the main body of the electric power tool based upon a measurement by the measuring portion and the alarm signal that is received.

Abstract: A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module.

Abstract: Charging devices, modular adapters, and circuits are provided. One charging device including a body including a rechargeable energy storage device and a housing. The housing includes at least one first coupling portion. The charging device further includes a modular adapter including a second coupling portion configured to be mated to the first coupling portion of the housing. When mated to the housing, the modular adapter is configured to be electrically connected to the rechargeable energy storage device. When the modular adapter is mated to the housing, the body and the modular adapter form a single integrated and substantially rigid structure.

Abstract: The present disclosure is generally related to power management in a circuit on a circuit board of a processor. The circuit includes a first power connector coupled to a first power input rail. The circuit includes a second power connector and a second power input rail. The circuit includes a control module. The control module is configured to determine a power specification of the circuit board. The control module is configured to detect a power cable connected to the first control connector. The control module is configured to sense a voltage at the second power connector. The control module is configured to couple the second power input rail with the first power connector or the second power connector in response to the determined power specification of the circuit board and the sensed voltage at the second power connector.

Abstract: A mobile device may be provided that includes an input port, an adjusting device, and a voltage regulator. The input port may receive power from an alternative power source or a DC power supply. The mobile device may receive the power from the input port, adjust a power characteristic of the power, and provide the power having the adjusted power characteristic. The voltage regulator may receive the adjusted power and provide a regulated voltage to a load.

Abstract: A wire bondless, double flip chipped discrete power package including a base plate for structural support, heat spreading, and thermal connection, power substrate for electrical interconnection and isolation, lead frames for external connections, an upper substrate for topside electrical interconnection, and injection molded housing for mounting, isolation, and protection.

Abstract: A connector system comprising a status monitoring cable system comprising a first cable connector adapted to be connected to a generator connector, a second cable connector adapted to be connected to a UPS connector, a third cable connector adapted to be connected to the modem connector, a jumper, first and second power conductors connected between the first cable connector and the second cable connector, and a sensor module comprising a current detect module and a connector detect module. The current detect module transmits a GEN_ON signal to the modem when a current is present in at least one of the first and second power conductors. The connector detect module transmits a GEN_PRESENT signal to the modem when a current flows through the first cable connector, the generator connector, the jumper, the generator connector, and the first cable connector.

Abstract: This document discusses, among other things, an electronic circuit and method for defaulting to a valid battery supply to power an electronic device. In an example, an electronic circuit can be configured to receive information about the battery supply (e.g., an internal battery), such as the battery supply voltage (VBAT), and to determine if the battery supply is valid or invalid using the received information (e.g., comparing the VBAT to a threshold). If VBAT is valid, the electronic device can default to receiving power from the battery supply. If VBAT is invalid, the electronic device can receive power from another power supply, such as an external supply.

Abstract: Solar power systems and structures are mountable to a power distribution structure, e.g. a power pole or tower, which supports alternating current (AC) power transmission lines. An exemplary power generation structure is fixedly attached to and extends from the power distribution structure, and comprises a mounting rack. A solar array, comprising at least one solar panel, is affixed to the mounting rack. A DC to AC invertor is connected between the DC outputs of the solar array and the AC power transmission lines. The length of the solar array is generally in alignment with the power distribution structure, and the width of the solar array is greater than half the circumference of the power distribution structure. The mounting rack and solar array may preferably be rotatable, such as based on any of location, time of day, or available light.

Abstract: In one aspect, a device includes a battery, a display, a processor, and a memory accessible to the processor. The memory bears instructions executable by the processor to detect a rate of charge of the battery or a rate of discharge of the battery and, based at least in part on the detected rate, actuate at least one of the display and a light on the device other than the display to indicate the detected rate. The display and/or light are actuated based on the detected rate without user input to actuate the display or the light to indicate the detected rate, and without user input to detect or determine the rate of charge of the battery or discharge of the battery.

Abstract: A solar notebook computer includes a storage battery and at least one solar panel. The solar panel is connected electronically with said storage battery through a regulated constant current circuit unit, and, the regulated constant current circuit unit is inside of the host of the notebook computer or outside of the notebook computer. Said at least one solar panel is movably set on the casing of the notebook computer through a connecting equipment. The solution is simple, easy to carry, conductive to environmental protection and expands the functions of the notebook computer.

Abstract: A method and apparatus for supplying cordless power to a remotely-located load device. A first power supply unit of a portable power supply system is configured to operate in a charge receive mode and/or a charge supply mode. When the first power supply unit is in the charge receive mode, a first energy storage device of the first power supply unit is configured to receive electrical energy via a first switch from one of a second power supply unit or an external power source. When the first power supply unit is in the charge supply mode, the first energy storage device of the first power supply unit is configured to supply electrical energy via a second switch to one of a third power supply unit or a remotely-located load device.

Abstract: A service control center is provided on a machine at a position accessible to a service technician or an operator. The service control center includes a service control panel. Further, the service control panel includes a first rotary switch adapted to selectively operate a transmission locking system and a second rotary switch adapted to selectively operate an engine starter system. A first flange having a first opening configured to retain the first rotary switch in a locked position and a second flange having a second opening configured to retain the second rotary switch in a locked position.

Abstract: A battery pack providing power to a portable electronic device is disclosed which inhibits electromagnetic waves generated by the battery pack from interfering with the portable electronic device. The portable electronic device may include a radiofrequency (RF) circuit including a transceiver. The battery pack may include a battery cell and a protection circuit module (PCM) which operates to prevent the battery cell from overcharge/overdischarge and overheating. The PCM may include a substrate and a protection device mounted to the substrate. Electromagnetic waves generated when the protection device operates are shielded from the portable electronic device by a shielding layer formed on the substrate of the PCM. The substrate may include a plurality of circuit layers, each including a circuit layer, with the circuit layers in electrical communication with one another. A shielding pattern is formed on at least one of the circuit layers.

Abstract: A battery test circuit for testing batteries in a working circuit having a plurality of batteries includes a DC step up converter. The DC step up converter may be selectively interconnected between a first one of a plurality of batteries and a second one of a plurality of batteries, to draw a test current from the first battery and to supply current at an elevated voltage to the second battery. The test circuit further includes an indicator output for providing a signal indicative of whether the first battery provides the test current substantially at its rated voltage.

Abstract: A replaceable, stand-alone charging apparatus for insertion into a portable electronic device having an energy storage device and a rechargeable battery that supplies energy to the energy storage device is provided. The replaceable, stand-alone charging apparatus has a body and a battery charging device housed substantially with the body and operable to charge the rechargeable battery of the portable electrical device. The replaceable, stand-alone charging apparatus further has an electrical connector adapted for connection with a cooperative electrical connector coupled to the rechargeable battery of the portable electronic device. The electrical connector is in electrical communication with the battery charging device.

Abstract: Coupled coil systems and methods are disclosed in which transmitter and receiver inductors, or coils, are coupled in a configuration for wirelessly transferring power among them. In preferred implementations, power may be transmitted and received using temporarily paired coupled coils. One preferred aspect of the invention is that the coils are not permanently affixed in physical proximity to one another, but can be moved and/or interchanged, and that the coils may be used to transmit or receive power based on their real-time relationships to other coils.

Abstract: A handheld device for jump starting a vehicle engine includes a rechargeable lithium ion battery pack and a microcontroller. The lithium ion battery is coupled to a power output port of the device through a FET smart switch actuated by the microcontroller. A vehicle battery isolation sensor connected in circuit with positive and negative polarity outputs detects the presence of a vehicle battery connected between the positive and negative polarity outputs. A reverse polarity sensor connected in circuit with the positive and negative polarity outputs detects the polarity of a vehicle battery connected between the positive and negative polarity outputs, such that the microcontroller will enable power to be delivered from the lithium ion power pack to the output port only when a good battery is connected to the output port and only when the battery is connected with proper polarity of positive and negative terminals.

Abstract: A self-recharging electric generator system in communication with an external system and that includes a battery unit configured to supply power to the self-charging electric generator system, an automatic switching unit configured to switch between a main power supply source and the self-recharging electric generator system, at least one electric motor configured to receive power from the battery unit, and at least one generator configured to produce power to be supplied to the external system when a failure occurs at the main power supply source, where the power produced by the at least one generator is further supplied to the automatic switching unit for performing continuous recharging of the self-recharging electric generator system.

Abstract: A portable power station including a current, light, and voltage sources as well as a control panel to permit a user to selectively operate the current and light sources. A housing contains the sources and is suitable to contain a main power source that has positionally fixed and polarized power terminals. The housing includes positionally fixed attachment posts to which the polarized conductors of the sources are electrically connected, and which are suitable for electrical connection of the polarized power terminals of the main power source.

Abstract: A method and system for determining the temperature of cells in a battery pack, without using temperature sensors, by measuring the impedance of the cells and using the impedance to determine the temperature. An AC voltage signal is applied to the battery pack, and a time sample of voltage and current data is obtained. The voltage and current data is narrowed down to a simultaneous time window of interest, and a fast fourier transformation is performed on the windowed voltage and current data to identify voltage and current magnitudes at one or more specific frequencies. The voltage and current magnitudes are used to determine the impedance at the one or more frequencies. Finally, the impedance is used to determine the temperature of the cell or cells using a look-up table, where the impedance, the frequency, and a state of charge are used as input parameters for the look-up.

Abstract: A self-recharging electric generator system in communication with an external system and that includes a battery unit configured to supply power to the self-charging electric generator system, an automatic switching unit configured to switch between a main power supply source and the self-recharging electric generator system, at least one electric motor configured to receive power from the battery unit, and at least one generator configured to produce power to be supplied to the external system when a failure occurs at the main power supply source, where the power produced by the at least one generator is further supplied to the automatic switching unit for performing continuous recharging of the self-recharging electric generator system.

Abstract: The invention relates to a HV-battery, in particular a traction battery for a vehicle, having a plurality of cell modules which each comprise a plurality of cells, wherein each cell module is assigned a controller for cell monitoring and/or for cell balancing, wherein the controllers are connected to a battery management control device for communication or open-loop control and/or closed loop control purposes, wherein the HV-battery is of modular construction by configuring the cell modules as plug-in modules that are detachably mountable or can be mounted to a printed circuit board.

Abstract: A power supply device having a first load operating with a first voltage in a normal operation mode, a second load operating with a second voltage lower than the first voltage in the normal operation mode, and a third load operating with the second voltage in the normal operation mode and a power-saving mode. An auxiliary second-voltage generating circuit configured to, when a main supply voltage is supplied from a main power supply circuit and a primary second-voltage generating circuit does not generate the second voltage with a third-load electric path for carrying therethrough the main supply voltage from the main power supply circuit to the third load without passing through the primary second-voltage generating circuit being broken by a switching circuit, generate the second voltage from the main supply.

Abstract: A manufacturing method of a vehicle, includes: preparing a chassis of the vehicle in which a plurality of battery modules are installed; forming a wiring section in a body of the vehicle; and electrically connecting the plurality of battery modules by means of the wiring section, by coupling the chassis to the body.

Abstract: An object of the invention is to make the charging power as high as possible in a battery charging control system for selectively charging a plurality of batteries having different voltages with energy generated by an alternator. To achieve the object, the battery charging control system according to the invention includes an alternator having a variable generation voltage and a plurality of batteries having different charging voltages, wherein maximum generation power defined as the highest power that the alternator can generate and maximum charging power defined as the highest power that each battery can accept are obtained, and a battery for which the charging power is highest is selected to be charged based on a comparison of the maximum generation power and the maximum charging power.