236 results about "Smart battery charger" patented technology

An inductive charging system transfers energy by inductively coupling a source coil on a power source to a receiver coil for a battery charger. Source current may be received in the battery charger and converted for charging a battery pack. A wireless communication arrangement may also provide for authentication of devices that are allowed by the source to be powered or otherwise charged.

A battery charger may include a charger connector to be coupled to a corresponding device connector of a portable device including a rechargeable battery. The battery charger may also include a charging circuit connected to the charger connector, and a controller connected to the charger connector and the charging circuit. The controller may be for causing a portable device connected to the charger connector to identify its corresponding portable device type and its corresponding rechargeable battery type from among a plurality of different portable device types and different battery types, and for causing the charging circuit to charge the rechargeable battery based thereon.

The present invention provides a battery charger capable of charging a plurality of secondary batteries which are used in different types of apparatuses, such as an electric vehicle and a mobile power supply unit, in a simultaneous or concurrent manner without largely occupying an installation space on the ground. A DC power supply section 22 includes a plurality of DC stabilized power supply circuits each operable to supply an output according to required electric power, therefrom in an independent manner. Specifically, based on information from each of a plurality of secondary batteries, and information set up / input through a setup / input section, one of or a combination of two or more of the DC stabilized power supply circuits is selected for each of the secondary batteries. Then, an electric power supply line between the selected one of or the selected combination of two or more of the DC stabilized power supply circuits and each of the secondary batteries to be charged is configured, and an output of the selected one of or the selected combination of two or more of the DC stabilized power supply circuits is adjusted. This makes it possible to configure respective electric power supply lines for the secondary batteries to allow the secondary batteries to be concurrently charged, and adjust respective electric power amounts to be supplied to the secondary batteries, individually.

Stationary and on-board battery chargers, methods of charging batteries, electric-vehicle chargers, and vehicles with chargers, including electric vehicles and hybrid electric vehicles. Chargers may automatically charge at the correct battery voltage for various types of batteries. Chargers have variable AC power supplies controlled by digital controllers, isolation transformers, and rectifiers. Transformers may be foil-type, and may have copper foil. Power supplies may be variable-frequency generators and the controllers may control the frequency. Use of the variable frequency generator supply facilitates reduced component size and weight and better battery charging performance. Electric vehicle chargers may have card readers, and vehicles may have batteries and a charger. Methods of charging include identifying the battery type and gradually increasing the charging at different rates of increase while monitoring charging voltage, charging current, or both, until a current lid is reached. Charging may occur at constant current and then at constant voltage.

A battery charger may include a charger connector to be coupled to a corresponding device connector of a portable device including a rechargeable battery. The battery charger may also include a charging circuit connected to the charger connector, and a controller connected to the charger connector and the charging circuit. The controller may be for causing a portable device connected to the charger connector to identify its corresponding portable device type and its corresponding rechargeable battery type from among a plurality of different portable device types and different battery types, and for causing the charging circuit to charge the rechargeable battery based thereon.

An intelligent battery charger is disclosed which tracks usage of the computer by the user and the charging and usage habits of the user. This tracking includes dates, times, and elapsed usage time, as well as dates, times, and elapsed charging time. Parameters regarding the specific battery being charged are also known by the intelligent battery charger. This information is utilized to develop a usage and charging profile for a particular battery in the device for which it is used. To execute a deep cycle, rather than require that the user wait to plug in a charger until the battery level has reached a certain low level, the charger itself controls the on and off operation of the charging system, based on the profiles

A system, in one embodiment, may include a portable welding unit having an engine, a generator coupled to the engine, a compressor coupled to the engine, and a smart battery charger coupled to the generator. A system, in another embodiment, may include a battery charger, wherein the battery charger is configured to monitor a temperature of a battery, an ambient temperature, a battery charge time, or a combination thereof. A system, in a further embodiment, may include at least one circuit having a welding control circuit and a battery charge circuit. The battery charge circuit may be configured to adjust an output based on a battery type, a battery voltage rating, a sensed feedback, a battery test, or a combination thereof.

An intelligent battery charger is disclosed which tracks usage of the computer by the user and the charging and usage habits of the user. This tracking includes dates, times, and elapsed usage time, as well as dates, times, and elapsed charging time. Parameters regarding the specific battery being charged are also known by the intelligent battery charger. This information is utilized to develop a usage and charging profile for a particular battery in the device for which it is used. To execute a deep cycle, rather than require that the user wait to plug in a charger until the battery level has reached a certain low level, the charger itself controls the on and off operation of the charging system, based on the profiles.

A battery charger is provided. The charger includes an AC input for connection to a source of AC power and a plurality of DC outputs each being connectable to a battery bank. A user interface is provided for inputting battery information including battery voltage and battery type for each DC output. A main controller is in communication with the user interface and receives the battery information from the user interface. The main controller uses the battery information to provide independent charging instructions for each DC output. At least one power module is in communication with the main controller and receives the charging instructions from the main controller. The power module is configured to convert the AC power from the AC input to DC power and is selectively connectable with each of the plurality DC outputs. The power module is configured such that the charging instructions from the main controller direct the power module as to which DC output to connect and a charge voltage and a charge amps to be provided by the power module to that DC output.

A battery charger with charging parameter values derived from communication with a battery pack to be charged. Communication is over a one-wire bus with battery pack transmissions in response to charger inquiries. The battery charger may be in the form an integrated circuit driving a power transistor or other controllable DC supply. A battery pack may contain a program with multiple charging currents and charging interval termination methods such as time, temperature rise, and incremental voltage polarity. A lack of communication may be invoke a default charging program or denial of access to the charger. The charger also communicates over a high-speed three-wire bus with an external computer for analysis of identification information acquired from the battery and for control of the charger.

A system is described that turns off a high power, power supply when a device no longer needs high power. A low power, power supply or a rechargeable battery provides power to determine when the device again needs high power. The low power supply consumes a minimum possible power when the device does not need high power and the power rechargeable battery is not charged. That is, the high power and low power, power supplies are turned on or off based on the real time power consumption of the device and the charged state of the battery. The power need of the device is monitored by a current shunt monitoring circuit.

A battery charger is provided. The battery charger may be designed as a versatile, portable battery charger addressing the most common needs of power for a consumer. The battery charger preferable can provide DC power, AC power, vehicular battery charging capability, portable battery charging capability, and other power providing capabilities.

Universal serial bus powered battery charger primarily intended for use in battery powered hand-held and other portable devices to charge the battery or batteries within the battery powered device when the same is connected to a host device, powered hub or a bus powered hub through a universal serial bus (USB) port. The battery charger includes one or more current limits to conform to the universal serial bus current supply limit set in the USB specification. Any of the universal serial bus voltage and current limits may be used to charge batteries in the battery powered device, such as single cell lithium-ion batteries. Various features are disclosed.

The invention relates to a test device for a charging control process of a DC battery charger of an electric automobile and an implementation method of the device. The test device comprises an acquisition unit, a control guide circuit, a control unit, a battery management analog unit, a process state analog unit and a man-machine interaction unit, wherein the acquisition unit is used for acquiring output voltage / currents of a plug of the DC battery charger, a control guide signal, a communication signal and an auxiliary power supply value and transmitting data to the man-machine interaction unit in real-time; the control guide circuit is used for realizing a control guide function of the electric automobile on the DC battery charger; and the control unit is used for controlling a charging state and a communication process and realizing switching of various states of the charging process. The test device tests the correctness and the reliability of a control process and time series changes in a charging stage according to requirements of an IEC 61851-23 appendix system B and a GB / T 20234.3-2011 system. The device and the method are closer to an actual working state of the DC battery charger, and test results can reflect the performance of the DC battery charger more comprehensively and accurately.

Systems and methods for power management are disclosed. In an embodiment, a battery charging system includes closed-loop control of a battery charger using a servo target based on measurements taken by a battery gauge.

A mobile telephone has a rechargeable battery, and the rechargeable battery is charged through a battery charger; the battery charger includes an information processing system serving as a charge controller and a battery manager; the battery manager measures a discharging time period of the rechargeable battery so as to store pieces of duration data expressing a charge-and-discharge cycle, and determines a charge initiation level and a charge completion level on the basis of the pieces of duration data in such a manner to reduce the number of charging operation without shortage of electric charge for the rechargeable battery; and the charge controller carries out the charging with reference to the charge initiation level and charge completion level so that the rechargeable battery is prolonged in life time.

A battery system is disclosed which includes: a battery assembly; an AC-voltage generator for generating alternate current (AC) voltage from direct current (DC) voltage of the battery assembly; a battery charger for charging the battery assembly; and a detector for detecting application of AC voltage from the AC-voltage generator to the battery charger.

A battery charger with an automatic customer notification system is provided. The battery charger includes battery charging circuitry which is configured to couple to a battery, and to provide a charging signal to the battery. The battery charger also includes communication circuitry, coupled to the charging circuitry, that is configured to transmit a signal to an external device upon receipt of a charge status code form the battery charging circuitry.

Systems and methods for interfacing a battery system of a battery-powered keyboard system with main battery components of a battery-powered information handling system to enable a battery charging system of the battery-powered information handling system to charge both the main battery pack of the battery-powered information handling system and the battery pack of the battery-powered keyboard system without the presence of a separate stand-alone battery charger in the battery-powered keyboard system, and / or so that the keyboard battery of the battery-powered keyboard system may be used to supplement the main battery of the battery-powered information handling system such as in case of emergency power loss or to extend total battery life for running the information handling system.

Systems and methods using the same to achieve a multiple battery charger with automatic charge current adjustment have been disclosed. The invention maintains equilibrium of charge levels during charge and discharge between all of the multiple batteries. For each battery a charger block comprising a unidirectional means and a current source for charging is assigned. The on-resistance of each charger block is automatically splitting the charge current available to the various batteries thus maintaining an equilibrium of charge levels of the batteries, i.e. supporting the battery with the lowest charge level with the highest charge current until equilibrium is reached.

The technology described herein provides a stand-alone intelligent battery charger and intelligent conditioner for use with a high-voltage battery, such as those used in hybrid automotive vehicles. Additionally, in various exemplary embodiments, this technology provides a system and method for validating the capacity of a high voltage battery. Other comparable uses are also contemplated herein, as will be obvious to those of ordinary skill in the art.

A secondary battery includes a battery case configured subject to the configuration of a conventional 9V or 1.5V battery and a battery body and a battery charger mounted in the battery case. The battery charger controls the battery body for charging and voltage output, and provides a USB socket as charging interface and positive and negative electrodes as discharging interface. Thus, the secondary battery is connectable to a USB plug of a cell phone battery charger or computer for charging, and can be installed in an electric product like a conventional battery cell to provide DC power to the electric product. Under the provision of current detection function and voltage adjusting function, the 1.5V secondary battery can be connected in series or in parallel with one or a number of micro resistor-provided virtual batteries to output a voltage subject to its linking arrangement.

A battery charger for electric vehicles includes at least three identical current controlled AC-DC converter modules having reverse current protected outputs connected in parallel to a charge terminal of the battery.

A system, in one embodiment, may include a portable welder having a welding output, a charging output, a welding circuit coupled to the welding output; and a charging circuit coupled to the charging output. The charging circuit may be configured to automatically adjust power to the charging output based on a feedback associated with charging a battery.

A system may include a portable welding unit having an engine, a generator coupled to the engine, a compressor coupled to the engine, and a smart battery charger coupled to the generator. The smart battery charger may be configured to monitor a temperature of a battery, an ambient temperature, a battery charge time, or a combination thereof. The smart battery charger may also be configured to adjust an output based on a battery type, a battery voltage rating, a sensed feedback, a battery test, or a combination thereof.