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7626364 |
Secondary battery replacement method
A replacement method is provided for replacing a to-be-replaced battery module with a replacing fresh battery module in a battery assembly formed by electrically connecting a plurality of battery...
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7626359 |
Apparatus and method for charging and discharging serially-connected batteries
An apparatus is provided that includes a plurality of serially-connected bypass circuits, a measurement/control element and a plurality of safety circuits. The bypass circuits are electrically...
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7618741 |
Battery pack, charger and terminal block arrangements for cordless power tool system
A battery pack, charger, and terminal blocks for the pack, charger and a cordless power tool are provided. The pack includes battery cells disposed between end caps within a bottom housing of the...
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7611799 |
Battery rack and system
A frame device for supporting objects such as batteries during seismic stress, comprising a pair of end frame members mounted in upstanding spaced apart relation by a plurality of vertically spaced...
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7609034 |
Battery pack, method of manufacturing battery pack, and method of controlling battery pack
A battery pack having a plurality of electrically connected unit cells and configured so that the cells degrade at similar rates is provided. The battery pack may comprise a first unit cell and a...
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7609031 |
Method for balancing lithium secondary cells and modules
A battery pack control module for balancing a plurality of lithium secondary cells or groups of lithium secondary cells connected in series and method of use.
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7609030 |
Capacity adjustment apparatus and capacity adjustment method for battery pack
A capacity adjustment circuit provided in conjunction with each cell discharges the corresponding cell if the cell voltage is higher than a bypass operating voltage and, as a result, the extent of...
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7609029 |
Battery, assembled battery unit, vehicle equipped with battery, and battery voltage adjusting method
A battery is basically provided with an electricity generating element and a discharging section. The electricity generating element has a plurality of electric cells connected in series. The...
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7609028 |
Sensing board assembly for secondary battery module
Disclosed herein is a sensing board assembly mounted in a high-output, large-capacity secondary battery module, which has a plurality of secondary unit cells mounted therein such that the secondary...
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7603199 |
Control device for mobile body
Ground contact portions are categorized in a tree structure manner such that all of the ground contact portions of a mobile body (mobile robot) equipped with three or more ground contact portions...
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7602146 |
Protection methods, protection circuits and protection devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack
In a cordless power tool system, protection methods, circuits and devices are provided to protect against fault conditions within a battery pack that is operatively attached to a power tool or...
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7602145 |
Method of balancing batteries
A methodology for balancing batteries for use in an electric vehicle. The methodology includes initializing a target balance voltage value to a predetermined voltage. Sampling a first voltage of...
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7602144 |
Battery management system
The present invention relates to a battery management system for securely maintaining battery charging capacity and precisely measuring a battery pack voltage. The battery management system, which...
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7599484 |
Element management system for managing line-powered network elements
A method of managing power at an element management system for a power sourcing network element and a power sinking network element of an access network is provided. The method includes identifying...
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7598706 |
Cell balancing battery pack and method of balancing the cells of a battery
A battery with a battery balancing assembly that regulates the discharge of battery cell charge and a method of evenly discharging battery cells, the battery comprising a plurality of cells. The...
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7592815 |
Leakage detection circuit for electric vehicle
A leakage detection circuit for an electric vehicle includes a battery pack, first and second leakage detection switches, a controller, a leakage detection resistor, a voltage detector, and a...
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7592774 |
Voltage measurement apparatus and electrically-driven tool
A voltage measurement apparatus is provided in which: among battery cells which make up a battery-cell group, a sampling switch electrically connects any one or more battery cells targeted for...
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7589497 |
Field expandable battery systems and related methods
Field expandable battery pack systems and related methods are disclosed that allow for increased battery life while reducing cost and still meeting shipping regulations. In part, the expanded...
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7589492 |
Voltage detecting apparatus for a hybrid electric vehicle
Providing a voltage detecting apparatus, which can detect rapidly a malfunction of a battery for a car structured by connecting a plurality of unit cells in series, a whole voltage value of both...
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7579842 |
Battery management apparatus
A battery management system includes a sensing module, a feeding module, a control module, and a common line adapted for connection to a battery when in use. In some embodiments, a battery...
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7576518 |
Battery monitoring network
A battery monitoring network including a battery node ( 6 ); one or more distributed nodes of a first class ( 4 ) each including means for acquiring first battery variable information, processing...
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7573707 |
Docking station for portable computer
A docking station for a portable computer includes a connector and a keyboard. The connector is disposed on a bottom portion of the docking station for communicating with the portable computer, and...
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7573237 |
System and method for monitoring battery state
A method of monitoring a battery includes measuring an open circuit voltage (V oc ) on the battery to determine a measured state of charge (SOC m ) after at least one use, obtaining a calculated...
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7573234 |
System having electronics for dropping current of battery pack
A battery pack system is disclosed. The battery pack system includes a battery pack having batteries arranged in a plurality of parallel groups that are connected in series. Each parallel group...
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7573233 |
Battery system configured to survive failure of one or more batteries
The battery system includes a battery pack having a plurality of power sources arranged in parallel groups that are connected in series. Each parallel group includes a plurality of power sources...
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7570023 |
Method of charging batteries
In a method of charging batteries, a microcontroller and a series divider resistor are used to control the level of a charge current source supplied from a power supply, so that a plurality of...
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7570010 |
Solar panel with pulse charger
A rechargeable power assembly having at least one lithium ion cell comprising an anode, a cathode, an electrolyte gel; a pulsed balancing circuit connected to the at least one lithium ion cell for...
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7567060 |
System and method for advanced power management
A power management system is provided that includes a power supply means comprising a plurality of power supply strings, a testing means operably connected to said plurality of power supply strings...
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7564216 |
Battery pack having an integrated circuit interfaced between battery cells and a microcontroller
A battery monitoring device of a battery pack configured for powering a cordless power tool may include an integrated circuit connected to a microprocessor of the pack that is external to the...
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7557539 |
Charging device
A charging device including an assembled battery having plural secondary batteries serially connected, a charge power source unit which supplies charging current to both ends of said assembled...
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7557538 |
Intelligent serial battery charger
A fast battery charger in which each one of the battery charging sections comprises a charging branch and a bypassing branch, the battery charger is provided with enhanced charging monitory and...
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7556533 |
Rechargeable battery module capable of managing the variation of intervals between unit batteries
A rechargeable battery module includes a plurality of unit batteries, a connecting member, and a fixing member. The unit batteries are arranged in a housing and include a positive terminal and a...
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7554292 |
Battery charger for simultaneously charging a plurality of batteries
A battery charger includes a master charge manager, and a slave charge manager coupled to the master charge manager. The master charge manager is coupled to a power source and one battery and is...
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7554291 |
Battery control system for a chargeable-and-dischargeable power supply system
In a chargeable-and-dischargeable power supply system, a plurality of battery cell sections are connected in series with one another, a plurality of cell state detecting sections are installed for...
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7550945 |
Voltage measurement device
A voltage measurement device includes: a charging circuit 100 having a first switch group of semiconductor elements P 1 , P 2 for connecting voltages of respective blocks, into which a plurality...
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7538519 |
Information handling system with battery protected from non-permanent failures
In a method and system for protecting a battery being charged by an electrical device, a current flowing through a cell stack of the battery is measured. If the measured current is greater than a...
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7535199 |
Battery pack
A battery pack is provided which includes: a battery set having a plurality of secondary-battery cells connected in series and in parallel; and a battery-abnormality detection circuit. The...
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7531987 |
Capacitor control system
Capacitor unit and capacitor control system used in high output power source are reduced in size. A capacitor unit controlled by the capacitor control system is divided into capacitor blocks formed...
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7531986 |
Power supply for battery powered devices
An auxiliary power supply ( 150 ) includes an auxiliary battery ( 152 ), power supply circuitry ( 154 ), and a connector ( 108 b ). The power supply circuitry ( 154 ) supplies an output which...
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7528581 |
Battery apparatus for controlling plural batteries and control method of plural batteries
Lower order control devices control plural battery cells configuring plural battery modules. An input terminal of the low order control device in the highest potential, an output terminal of the...
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7521894 |
Device combination system including plurality of devices and method of detecting a state of a battery mounted on a power supply device supplying power to said plurality of devices
In a device combination system of the present invention, END setting parameters are read from a main body. A power supply converter and END setting parameters are obtained from a camera head and a...
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7511456 |
Middle or large-sized battery pack having a plurality of battery cells in a compact structure
Disclosed herein is a middle- or large-sized battery pack having a plurality of battery cells, which can be charged and discharged, stacked one on another with high density and electrically...
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7511455 |
Power supply unit having uniform battery characteristic
A component box has a shape of a substantially flat plate, and is stacked along a direction UPR toward the ceiling of a vehicle with its center placed at a central portion of a casing for a battery...
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7511451 |
Electrical energy source
The electrical energy source includes a portable enclosure that houses at least one battery pack, at least one battery charger, at least one AC inverter and, optionally, a regeneration device that...
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7508166 |
Charge condition adjusting apparatus
Providing a charge condition adjusting apparatus, which can shorten a time for equalization of each charge in unit cells, a low-voltage CPU selects each smallest unit cell in the each cell block,...
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7508162 |
Method and apparatus for providing electrical energy to a portable device from energy storage of another portable device
A method comprises the steps of determining values of one or more parameters of a first energy reservoir in a first device and corresponding parameters of a second energy reservoir in a second...
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7492160 |
Device and method for measuring individual cell voltages in a cell stack of an energy accumulator
A device and method enable measuring individual cell voltages of cells in a cell stack of an energy accumulator. To this end, a series circuit formed of two diodes is connected in parallel to each...
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7489106 |
Battery optimization system and method of use
The present invention relates to a microprocessor controlled battery management system that optimizes the total electrical capacity of that battery. It uses localized cell power sources that...
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7486050 |
Battery-voltage monitoring integrated-circuit and battery-voltage monitoring system
A first voltage source terminal, to which a first voltage is input, is connected to a maximum voltage terminal of serially-connected secondary batteries to be monitored. A second voltage source...
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7482941 |
Physical key to facilitate an inactive mode for a state-of-charge indicator within a battery
The invention provides a system and battery including a state-of-charge indicator (SOCI) to monitor and display the amount of charge within the battery. The SOCI is capable of operating in a...
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