Abstract: An electrical combination including a driver drill capable of producing an average current draw of approximately 20-amps, a circular saw capable of producing an average current draw of approximately 20-amps, and a power tool battery pack operable to supply power to the driver drill and to the circular saw, the battery pack including a plurality of battery cells, the plurality of battery cells each having a lithium-based chemistry.

Abstract: A rechargeable battery pack for a power tool can have a data terminal that provides a signal that is indicative of whether the voltage is below a threshold and can serve as both a pre-charge signal for a charger and as a stop-discharge signal for a power tool. A charger can include a power supply circuit and a voltage detection circuit. A charger control module can receive a signal indicative of the voltage of the battery pack and determine a pre-charge time based on the voltage and can monitor a change in the voltage of the battery pack during the pre-charge operation and stop the pre-charge operation based on the change in voltage and the time period.

Abstract: A method is provided for indicating state of charge of a battery being charged by a charger. The method includes: supplying a charging current from a battery charger to a battery pack; determining voltage of battery cells residing in the battery pack; and illuminating a visual indicator on the battery charger to indicate state of charge of the battery pack, where brightness of the visual indicator correlates to the voltage of the battery cells in the battery pack.

Abstract: An equipment system includes a battery unit (10) having a monitoring circuit (14), which detects at least one operating parameter of the battery unit (10) and furnishes a control signal, dependent on the operating parameter, for switching means (25, 31). The switching means control the charging and discharging process of the battery unit (10) and are located in the electrical device (20) and in the charger (30), respectively. From the battery unit (10), the control signal is transmitted to the switching means (25, 31) in the electrical device (20) and in the charger (30), respectively. By this provision of shifting the switching means (25, 31) out of the battery unit (10) into the electrical device (20) and into the charger (30), respectively, the heat development in the battery unit (10) and also its structure size are reduced.

Abstract: In a battery pack (1), control means (3) reads identification information or operating state detection information out of identification information memory means (4) or battery operating state detection means (10) and inputs it to a modulation circuit (5). The modulation circuit (5) modulates the information into an information signal which can be superimposed on a direct-current power transmission line and sends it to a charging device (20) or a loading device (30) through a positive charge and discharge terminal (11). The charging device (20) or the loading device (30) demodulates the sent information signal to take out the identification information or the operating state detection information and allows power source control means (25, 35) to control the output of charging energy from a charging power source (23) or the output of discharging energy to a load (33).

Abstract: Systems and methods for controlling the output of a battery pack are disclosed. In one example, a battery pack contactor is opened in response to battery pack current. The system and method may reduce battery pack degradation and increase system flexibility.

Abstract: In some aspects, a method includes determining whether a universal serial bus (USB) peripheral device is connected to a USB monitoring device that is connected to a medical device and drawing power from the medical device. The medical device is configured for use in a medical procedure with a patient. The method also includes determining whether the USB peripheral device is drawing power from the medical device if the USB peripheral device is determined to be connected to the USB monitoring device.

Abstract: A battery pack is provided. The battery pack includes: a core pack including a bare cell, and a protective circuit member attached on a side of the bare cell; a housing case for covering at least a portion of the protective circuit member of the core pack, and where a connection part adapted to be connected with an outer electronic appliance is disposed; and a resin-molding part for combining the core pack and the housing case by contacting at least a portion of the core pack and the housing case.

Abstract: A state of charge optimizing device according to the present invention optimizes a state of charge of each of a plurality of cells which are connected in series to form an assembled battery, and conducts the optimization by discharging or charging a part or all of the plurality of cells so that the differences between the amount of charge after the optimization and the amount of charge in a predetermined state of charge become uniform.

Abstract: An electronic device includes a printed circuit board having a first ground contact and a second ground contact; an antenna unit having a ground contact end coupled to the first ground contact of the printed circuit board; and a battery unit. The battery unit includes a cell body, a cell cover having an internal surface defining a first chamber for confining the cell body therein and an external surface defining a second chamber that projects from the first chamber. The cell cover is connected electrically to the second ground contact of the printed circuit board. A protection printed circuit board is contained within the second chamber in such a manner to electrically connect with the cell cover. An electric coupler interconnects the protection printed circuit board to the first ground contact of the printed circuit board.

Abstract: This patent application relates generally to identifying a self-powered device connected to a medical device.

Abstract: A parallel connection assembly of batteries and a battery set having the same are provided. The parallel connection assembly connects battery units to form a battery set, and it includes electrical-conductive connecting pieces, two flexible metallic woven bands and electrical-conductive fixing elements. Each battery unit has a positive electrode hole and a negative electrode hole. Each electrical-conductive connecting piece has a through-hole and a fixing portion. Each electrical-conductive fixing element passes through the through-hole to be fixed in the positive electrode hole or the negative electrode hole. The two flexible metallic woven bands serially connect the fixing portions of the electrical-conductive connecting pieces located on the positive electrode holes and the negative electrode holes respectively, thereby electrically connecting the battery units in parallel.

Abstract: Systems, apparatus, and methods for automobile battery management is provided. In one embodiment, an apparatus for providing balanced and individualized charging to a battery pack is provided. The apparatus uses microcontrollers to determine a charge level of the batteries, and correspondingly controls a power balancer to apply a charge current to the battery in relation to the charge level, and dissipates the remaining charge current as heat energy. In one embodiment, a system controller controls a balanced charging operation of the battery system, provides an interface for a user to monitor cell-level parameters, and protects the battery cells from undercharging or overcharging during the charging or discharging operations.

Abstract: The present invention discloses a multi power supply system for a portable device, particularly a power supply system having a multi power input interface and a universal serial bus (USB) power output interface and capable of receiving a solar electric power and a general battery power. The invention not only provides a multiple of power transmission interfaces of a rechargeable battery of an electric backup power source for supplying power to the portable device, but also achieves the rectification and protection effects.

Abstract: A battery charging system is disclosed. The battery charging system includes a battery cell, a voltage measurement circuit and an overvoltage protection circuit. The voltage measurement circuit measures a cell voltage of the battery cell. The overvoltage protection circuit is configured to stop charging the battery cell when a reading voltage measured by the voltage measurement circuit reaches an overvoltage setting value. The battery charging system also includes a battery charger for charging the battery cell, and a control unit for supplying a control voltage to the battery charger to perform feedback control of an output voltage of the battery charger. The battery charger includes a voltage feedback input for receiving a feedback voltage and a setting value input for receiving a setting voltage. The control voltage is generated based on the reading voltage and the setting voltage.

Abstract: A portable computer may include battery indicator light structures. Battery status information in the portable computer may be presented to a user using an array of light-emitting diodes or other light emitters. Light-emitting diodes may be mounted on a printed circuit board. A stiffener may provide the printed circuit board with rigidity. The printed circuit board may include a connector that allows the board to be connected to a main logic board. A switch on the printed circuit board may be actuated by a power button on the portable computer. An opaque member with an array of holes may be used to reduce light bleed between adjacent light-emitting diodes. Diffusing plastic may be mounted within the array of holes. Bumps in the diffusing plastic may mate with corresponding holes on a portable computer housing.

Abstract: Charging is started with charge voltage set to a first voltage value (lower than a normal charge voltage) by a charge voltage change means, the first voltage value being predetermined to ensure that secondary batteries constituting a parallel-arrangement battery pack are charged up to and maintained at a predetermined SOC lower than full charge (between 80 and 90% of full charge). When a charge current detection means detects that charge current has decreased to a predetermined value A1, the charge voltage is set to a second voltage value (normal charge voltage) higher than the first voltage value by the charge voltage change means, the second voltage value being predetermined to enable the secondary batteries to be charged up to full charge. When a battery SOC detection means detects that at least one of the secondary batteries has reached full charge, charging is terminated.

Abstract: A battery pack rechargeable by a magnetic induction effect incorporates a secondary coil electromagnetically coupled to a primary coil of a battery charger and a secondary battery rechargeable by electric power induced to the secondary coil. The secondary battery is in a form of a thin battery having a larger width than a thickness, and two opposing surfaces of the secondary battery are composed of a first flat surface and a second flat surface. The secondary coil is in a form of a planar coil with a wire material being spirally coiled in the plane. In the battery pack, the secondary coil in the form of the planar coil is fixedly layered on the first flat surface of the thin battery.

Abstract: A battery pack, a charger, and a charging system. The battery pack includes a rechargeable battery, and a protection circuit to control charging and discharging of the battery, wherein the protection circuit includes a micom to output an operating state signal representing an operating state of the micom and a malfunction transferring unit to transfer information on whether the battery is malfunctioning based on the operating state signal. Accordingly, when an error is detected by the protection circuit of the battery pack, charging is stopped, and thus the battery pack may be stably charged.

Abstract: The present invention discloses a battery pack which can be used for an electric vehicle, an Uninterrupted Power Supply (UPS), and a power supply for a smart grid and which can be easily manufactured and repaired and which is capable of improving productivity, the span of life, and performance, and a battery management system including the battery pack. The battery pack of the present invention comprises a casing in which a reception space is provided and battery modules coupled to the casing at regular intervals by fastening members so that the battery modules can be easily dismantled from the casing. Each of the battery modules includes a tray, a battery cell provided in the tray, a cell charger provided in the tray and configured to charge the battery cell, a cell controller provided in the tray and configured to control the cell charger, a heating mat coupled to the battery cell, and a temperature sensor provided in the tray and configured to sense a temperature of the battery cell.

Abstract: An accessory for a portable electronic device, such as a digital music player, includes a set of device controls for controlling the portable electronic device. The accessory includes a microprocessor and a memory that contains function codes corresponding to the functions selected by the controls. Preferably, the accessory is a charger is adapted to be inserted into for a 12-volt car auxiliary power outlet and the protruding face of the charger body is a click wheel controller that rotates. The accessory may also include a FM transmitter for transmitting an audio signal received from the portable electronic device to the car stereo and a verification system for insuring the charger is produced by an authorized supplier.

Abstract: In accordance with the teachings described herein, a method and apparatus for handling a charging state in a mobile electronic device is provided. A universal serial bus (USB) interface may be used for connecting the mobile device to a USB host. A processing device may be used to control operation of the mobile device and receive an enumeration acknowledgement signal from the USB host via the USB interface and generate an enable signal upon receiving the enumeration acknowledgement signal. The method and apparatus may further include a rechargeable battery, a battery charger, a timing circuit, and a battery charger enabling circuit.

Abstract: A charging system is provided with a secondary battery, a charging current supplier for supplying a charging current to the secondary battery, an internal resistance detector for detecting the resistance value of the internal resistance of the secondary battery, and a charge controller for increasing the charging current to be supplied to the secondary battery by the charging current supplier as the resistance value detected by the internal resistance detector decreases.

Abstract: The embodiments of the invention relate to a novel apparatus and method for a battery charging system in a shared environment, as well as for monitoring battery usage and tracking battery location. In one embodiment, the battery charging chute comprises a housing configured to receive a battery via an insertion slot and configured to dispense a battery through a dispensing slot. Within the housing, charging terminals are disposed is a spaced or continuous manner, to come in contact with the charging terminals on batteries inserted into the housing. Optionally, solenoid-controlled gates may be employed at the insertion slot and dispensing slot, to inhibit the removal or insertion of batteries from the incorrect location, to ensure that the battery with the longest residence time in the chute is dispensed to a user. The housing may also include a radio-frequency identification tag reader to permit inventorying and tracking of batteries inserted into the housing.

Abstract: A charging system for a walking robot which charges a battery mounted on the walking robot by connecting a power supplying connector provided in a charging station to a power receiving connector in the walking robot, wherein the walking robot is capable of moving without significant restrictions during charging. The charging system includes a lock mechanism for locking the power supplying connector to the power receiving connector. A connector holder holds the power supplying connector detachably, an advancing/retracting mechanism advances and retracts the connector holder in the anteroposterior direction, and a lock operation mechanism performs a lock operation and an unlock operation of the lock mechanism via the connector holder. After an advance of the connector holder, the lock mechanism performs the lock operation to lock the power supplying connector to the power receiving connector. Thereafter, the connector holder is retracted out of the power supplying connector.

Abstract: A connector device includes a circuit board and a connector body, and the connector body includes a housing and a connection terminal provided inside the housing. A silicon resin is applied to fill a gap between the connector body and the circuit board. The application of the silicon resin can prevent a mold resin used to seal the connector device and a battery pack body from entering from the gap into the housing. Thereby, a connector device reliably establishing conduction and a battery pack applying such a connector device can be obtained.

Abstract: An apparatus is disclosed that includes a resistance measuring unit operable to determine a solution resistance Rsol and a charge transfer resistance Rct of a battery; and at least one computer-readable non-transitory storage medium comprising code, that, when executed by at least one processor, is operable to provide an estimate of the present value of the battery by: comparing Rsol and Rct to historical deterioration transition information; estimating the number of remaining charge cycles before a discharge capacity lower limit is reached by the battery using the comparison; and estimating the number of remaining charge cycles before a discharge time lower limit is reached by the battery using the comparison. The estimate of the present value of the battery includes the smaller of the number of remaining charge cycles before a discharge capacity lower limit is reached or the number of remaining charge cycles before a discharge time lower limit is reached.

Abstract: A power autonomous portable electric tool set includes a first sub-unit generating a mechanical operation of a tool having an electric actuator, a portable second sub-unit forming an electric energy source of the set including a battery and at least one electric or electronic module located in a vicinity of the battery for at least one of controlling and managing the battery, a third charger sub-unit for electrically recharging the battery, including at least one electric supply source, wherein the third charger sub-unit adapts a voltage and a current of the at least one electric supply source to recharge the battery, and a cutoff device structured and arranged to cutoff an electric supply of the electric actuator. Additionally, the power autonomous portable electric tool set includes the first sub-unit electrically disconnectably connectable to the second sub-unit and the third sub-unit electrically disconnectably connectable to the second sub-unit.

Abstract: The battery charge indicator provides a color-coded battery status indicator system adapted for attachment to or adjacent the battery compartment on a power tool body. The system includes a first member that is adapted for attachment to the surface of the power tool. The front face of the first member is provided with hook and loop fastener material thereon. A second member has a first face fabricated from green-colored hook and loop fastener material and an opposite, second face fabricated from red-colored hook or loop fastener material. Display of the red-colored face indicates that the battery needs recharging. Display of the green-colored face indicates that the battery is charged.

Abstract: A portable electronic payment terminal is provided, which includes at least one removable battery. The removable battery carries an electronic chip containing at least one item of identification information and is able to communicate with a contactless reading device present in the terminal. The terminal further includes: a transmitter for transmitting the identification information to a distant control server of the terminal manufacturer; and a receiver for receiving from the server conformity or non-conformity information according to whether the identification information belongs to a list approved by the manufacturer.

Abstract: A charger capable of clamping portable communication device is provided. The charger includes a body, a securing portion, and at least one elastic element, wherein the at least one elastic element is deformable elastically when electricity power is supplied thereto, and recoverable to its normal shape when the power is off. The at least one elastic element joins the securing portion to the body. When a user uses the charger, firstly, places the portable communication device between the body and the securing portion, then, supplies electricity power, and the at least one elastic element contracts and drives the securing portion to move towards the body, as a result, the portable communication device is clamped.

Abstract: The present invention provides to a battery module which is excellent in cooling performance of a battery and is improved in assembling easiness at low cast. A battery module 3 accommodates assembled battery blocks 20 arranged in series in an exterior case formed in an approximately hexahedral shape in parallel, each assembled battery block 20 including six assembled battery units electrically connected in series and each assembled battery unit including four cylindrical unit cells arrange such that their polarities are alternating. An exterior case is formed by connecting a lower lid 22 having a front face, a bottom face, and a back face and an upper lid 41 having a left side face, an upper face, and a right side face. End portions of the left side face, the upper face, and the right side face of the upper lid are drawn at the sides of the front face and the back face of the lower lid.

Abstract: A charging accessory for a portable electronic device having a device input connector includes a main charger body portion having a power supply connection to an AC wall outlet that receives an AC power supply voltage. Power conversion circuitry converts the AC power supply voltage to a DC power supply voltage. A device connector is electrically coupled to the DC power supply voltage and configured to couple the DC power supply voltage to the device input connector of the portable electronic device. The main body also has a battery pack connector that is electrically coupled to the DC power supply voltage. The battery pack connector couples to a battery pack through a charging body connector that electrically connects to the battery pack connector and receives the DC power supply voltage when the battery pack is mounted on the main charger body portion. A rechargeable battery in the battery receives the DC power supply voltage to recharge the rechargeable battery.

Abstract: An electrical assembly selectively receives power from an external power supply. The electrical assembly includes a base that at least partially defines a tool port and a battery port and an electrical tool selectively coupled to the tool port. A rechargeable battery pack is selectively coupled to the battery port and a circuit is supported by the base and is operable to direct power to the tool port and the battery port such that the external power provides power to the electrical tool to operate the electrical tool and to recharge the rechargeable battery pack.

Abstract: A universal battery charger having an adjustable pocket for receiving batteries having differing dimensions. Each battery, regardless of their differing dimensions, may be firmly supported within the adjustable pocket and receive an electrical charge from a single set of electrical contacts exposed in the adjustable pocket. The adjustable pocket is adjustable, because a battery guide of the charger includes first and second ends that alternately protrude through the plane of the housing, thus providing different dynamic supporting walls for different batteries. The adjustable pocket may accommodate different batteries by utilizing different receiving areas of the pocket. One receiving area may supports one side of a first battery with a first dynamic wall and supports other sides of the first battery with stationary walls. Likewise, another receiving area may support one side of a second battery with a second dynamic wall and supports other sides of the second battery with stationary walls.

Abstract: A rechargeable battery assembly comprises a rechargeable battery unit and a data and power connector plug. The battery assembly has a deployed configuration in which the battery assembly has the general form of and functions as a conventional battery format, and a recharge configuration in which the data and power connector plug is made accessible to enable said connector to be connected to a suitable receptacle on a computing or peripheral device for recharging of the battery.

Abstract: A rechargeable battery assembly comprises a built in connector, circuitry to provide charge control, at least one rechargeable battery unit, and circuitry providing a further function. The battery assembly is mechanically reversible between a deployed configuration having a general form and functions of a conventional battery format and a charge configuration in which the connector is made accessible. In the deployed configuration the battery assembly is capable of providing a discharge to at least one voltage level and can be charged by means of a suitable external charger device. In the charge configuration the battery assembly can be charged by means of the integral charge control circuitry when the connector is connected to a suitable powered receptacle on a computing or peripheral device.

Abstract: A battery cover assembly (10) including a body (11), a first cover (12) and a second cover (13) is provided. The body includes a battery receptacle (115). Both of the first cover and the second cover respectively include two sidewalls (123, 124, 133, 134) removably mounted to the body and a top wall (121, 131) connected to the pair of sidewalls. The top walls of the first cover and the second cover protrude out from the body while the first cover and the second cover are assembled to the body. Both of the first cover and the second cover are configured to be removably mounted to the body. The first cover and the second cover are engageable with each other so as to cover the battery receptacle.

Abstract: Methods and systems are provided for controlling the charging of an onboard energy storage system of a plug-in vehicle using a remote command center, such as a vehicle telematics service. An embodiment of such a method involves the transmission of a charge request for the onboard energy storage system to a remote command center associated with the plug-in vehicle. In response to the charge request, a charge command is received from the remote command center. The charging of the onboard energy storage system is regulated in accordance with the received charge command, which may be a charge enable command or a charge disable command.

Abstract: A battery module is provided. The battery module includes a battery body having a plurality of unit cells arranged in series and having a respective barrier disposed between adjacent unit cells. End plates are disposed on opposite outermost sides of the battery body. A fixing unit fixes together the end plates and the battery body by enclosing an outer circumference of an assembly of the end plates and the battery body.

Abstract: The invention discloses a dummy battery apparatus (30), configured for supplying power to a portable electronic device (10). The portable electronic device (10) has a circuit board (13), which sets at least one testing port (130). The dummy battery apparatus (30) defines at least one gap thereon, and the defining place of the gap is corresponding to the location of the testing port (130) of the circuit board (13).

Abstract: A power pack arrangement for a laptop computer, wherein an AC/DC adapter is integrated with a battery pack to form one cohesive unit freely insertable into and removable from a laptop computer housing.

Abstract: A charging apparatus for laptop computer with multiple-batteries is used in a first battery unit and a second battery unit. The charging apparatus comprises a micro controller unit; a first charging switch unit electrically connected to the micro controller unit; a second charging switch unit electrically connected to the micro controller unit; and a charging unit electrically connected to the first charging switch unit and the second charging switch unit. The micro controller unit controls the charging unit charging the first battery unit and the second battery unit via controlling the first charging switch unit and the second charging switch unit. The charging apparatus charges multi-batteries simultaneously.

Abstract: A docking device for receiving a portable computer is disclosed. The docking device includes a device housing and a charging connector that is provided on a side surface of the device housing and is connected to a battery connector of a battery pack in order to charge the battery pack. The charging connector is connectable to the battery connector in a state where the battery pack and the device housing are disposed on the same plane. When the charging connector and the battery connector are in a connected state and the device housing is being moved to a position within a predetermined height from the plane, the connection state between the charging connector and the battery connector is maintained. When the device housing is being moved to a position that exceeds the predetermined height from the plane, the battery connector will be separated from the charging connector due to the weight of the battery pack.

Abstract: Various embodiments are described for a mobile communication device having a main processor for controlling the operation of the mobile communication device; a device memory coupled to the main processor for storing a plurality of battery information profiles; and a smart battery coupled to the main processor for providing supply power. The smart battery includes a battery processor for controlling the operation of the smart battery and communicating with the main processor; and a battery memory coupled to the battery processor for storing a Battery ID indicating the model of the smart battery. The main processor is configured to communicate with the battery processor to obtain the Battery ID and select one the battery information profiles based on the Battery ID.

Abstract: Methods and apparatus are provided for electrically isolating an ambulatory medical device for infusing treatment materials into a patient when the medical device is connected to a peripheral device via an active communication cable. In one embodiment, the ambulatory medical device include first circuitry controlling infusion of a medicament to the patient by a fluid conduit connectable to the patient and second circuitry controlling communications when an active communication cable is connected to the medical device. The first and second circuitry are electrically isolated using a pair of first and second isolation transceivers, where the first pair of isolation transceivers communicate a control signal and the second pair of isolation transceivers are giant magneto-resistive (GMR) transceivers that communicate at least one data signal.

Abstract: A lithium polymer (LiPo) battery pack having LiPo battery cells is provided which includes battery protection circuitry, charging circuitry, cell balancing circuitry, and control and communication circuitry. The batteries can be charged while in use by an internal charger. Battery charging and discharging are accomplished in a controlled and protected manner to avoid overcharging and overdischarging conditions. The novel battery pack has built-in safeguards against dangerous LiPo battery conditions and is implemented in a small, portable unit which contains the battery cells, control and protection circuitry, internal charger and display gauge. The battery pack is useful for powering an intravenous fluid warmer or other medical or electrical devices and equipment.

Abstract: A battery includes a battery housing containing a rechargeable cell for providing an output voltage and a charging circuit. The charging circuit is coupled to the rechargeable cell and includes a voltage converter to convert an input voltage to the charging circuit to a charging voltage to charge the rechargeable cell.

Abstract: The present invention provides a recharging apparatus for use with portable electronic user devices such as cell phones, pagers, PDAs, as well as with portable battery powered devices such as flashlights. Charging circuitry is used to charge the user device battery from a battery of the recharging apparatus. The user is able to control the recharging process with a manual on/off switch that is part of the recharging apparatus. Optionally, a manual/automatic mode is provided that allows the user even greater flexibility over charging. Here, the user may select various conditions and options when recharging is permitted.

Abstract: The invention relates to a battery comprising an electrically non-conductive substrate (1) on which it is arranged, in addition to at least one cathode (4), one anode (6), and a separator/electrolyte layer (5) in the form of layers or films that are pre-formed from an electrochemically active or activatable material and optionally a polymer matrix and/or other auxiliary substances, in a corresponding sequence on the substrate (1). The layer thickness of each electrode layer is 10 ?m. The inventive battery also comprises at least one current diverter (7) and at least one battery contact (2, 2a, 2b) that are respectively in electrical contact with an electrode. Said battery is characterized in that it comprises at least one first covering layer (8, 16, 17, 21) consisting of a first, electrically insulating material that is stable in relation to the used electrolyte and electrode material and has been deposited from the gas phase or in the form of a liquid or viscous paste.