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7612538 Method for estimating SOC of a battery and battery management system using the same  
Disclosed is a method for setting an initial SOC value, which initializes the SOC in consideration of not only the temperature change of the external environment of the battery but also the...
7612535 Charge indicator  
A charge indicator for a battery includes a transparent inspection rod comprising an observation area at a first end and a tip formed by a conical reflection area at a second end. The charge...
7612534 Capacity adjustment apparatus and method of secondary battery  
In secondary battery capacity adjustment apparatus and method for an assembled cell unit, the assembled cell unit includes: a plurality of secondary batteries; and a control board on which a...
7612533 Capacity adjustment apparatus and method of secondary battery  
In secondary battery capacity adjustment apparatus and method for an assembled cell unit, the assembled cell unit includes: a plurality of secondary batteries; and a control board on which a...
7612532 Method for controlling and monitoring using a state estimator having variable forgetting factors  
A recursive algorithm is provided for adaptive multi-parameter regression enhanced with forgetting factors unique to each regressed parameter. Applications of this algorithm can include lead acid...
7610124 Control device for motor-driven vehicle  
A control device for a motor-driven vehicle, the control device includes: a zone determining unit that determines at least a normal use zone, a discharge zone, an over-discharge zone, a charge...
7605591 State of health recognition of secondary batteries  
An invention is provided for determining a state of health of a battery. The invention includes applying a predefined load profile to a battery, and obtaining a plurality of battery response...
7605564 Battery pack and residual capacity information feeding device including residual capacity correction unit  
A battery residual capacity information feeding device is disclosed. The device includes: residual capacity holding means for holding the battery residual capacity of a battery pack; temperature...
7605561 Method for controlling charging of a power source of a hybrid vehicle  
A method for controlling charging of a power source of a hybrid vehicle. The method includes determining a maximum output level of a primary power source, determining a state of charge of a...
7602149 Method for compensating state of charge of battery, battery management system using the method, and hybrid vehicle having the battery management system  
In an SOC compensation method, a first SOC having at least two sections is detected, and a first OCV corresponding to the first SOC is calculated; a second OCV is calculated by using the measured...
7602148 Method for displaying battery charge levels of multiple apparatuses  
The invention relates to a method for managing charge levels of batteries in apparatuses, comprising the following steps receiving by a master apparatus from a slave apparatus a charge level signal...
7602147 Device, in particular a charger device  
The present invention is directed to a device, in particular a charger device, with a measuring unit ( 10 ) for acquiring at least one battery characteristic value. It is provided that the device...
7598743 Battery maintenance device having databus connection  
An electronic battery tester or charger for use with a storage battery includes a first and a second electrical connector configured to electrically couple to terminals of the storage battery....
7598712 Method and apparatus for real-time life estimation of an electric energy storage device  
Sate-of-life for an electrical energy storage device is predictively determined based on electrical current, state-of-charge, and temperature of the electrical energy storage device during active...
7598708 Battery protecting apparatus and battery protecting circuit  
A battery protecting circuit is disclosed that includes a negative voltage terminal voltage detecting circuit that detects when a voltage of a negative voltage terminal decreases to less than a...
7595643 Apparatus and method for simulating a battery tester with a fixed resistance load  
A method and apparatus for simulating a battery tester with a fixed resistance load, such as a widely used Japanese load tester that rates the strength of Japanese batteries that are categorized...
7595642 Battery management system for determining battery charge sufficiency for a task  
An electronic tool and method to manage a battery includes a processor to monitor a battery charge and estimate a required charge needed by the electronic tool to complete any task or job shift....
7595609 Battery system power path configuration and methods for implementing same  
A battery system may be provided with a battery charge current path that is different from the battery discharge current path of the battery system, for example, by providing no controlled charge...
7593823 Method and device for determining state of battery, and battery power supply system therewith  
Coefficients A and B are calculated from the measured temperature and the measured state of charge. Next, a response voltage Vc is calculated by substituting the measured internal impedance X into...
7593821 Method and system for joint battery state and parameter estimation  
A method and apparatus for estimation of the augmented state of an electrochemical cell, the method comprising: making an internal augmented states prediction of the cell where the augmented state...
7589532 System and method for estimating a state vector associated with a battery  
A system and a method for estimating a state vector associated with a battery are provided. The method includes determining a time interval that the battery has been electrically decoupled from a...
7589500 Method and system for battery protection  
A method of conducting an operation including a battery. The battery includes a cell having a voltage. Power is transferable between the cell and the electrical device. A controller is operable to...
7586290 Battery state of charge detection  
A state of charge of a battery ( 1 ) that drives a motor ( 6 ) is computed based on a discharge current measured by a current sensor ( 3 ) when the discharge current of the battery ( 1 ) does not...
7583059 Apparatus and method for estimating state of charge of battery using neural network  
Disclosed are an apparatus and a method for estimating a state of charge of a battery representing a non-linear characteristic by using a neural network. The apparatus includes a sensing section...
7579811 Battery pack, battery protection processing apparatus and control method thereof  
It is aimed at stably implementing a protection function of a secondary battery mainly under software control and providing a battery pack characterized by a reduced circuit installation area,...
7576545 Lithium-ion battery prognostic testing and process  
In accordance with various embodiments, there are systems and methods for predicting end of life of a Li-ion battery. The method can include at least one of partially charging and partially...
7576544 Electric quantity indicator for an electromotive vehicle  
An electric quantity indicator for an electromotive vehicle comprises an electric measuring wire parallel connected to a battery; a feedback circuit connected between a motor of the power supply...
7576517 System and method for remote monitoring of battery condition  
A battery monitoring system may be configured to interface with a first battery monitoring unit and a second battery monitoring unit. The first battery monitoring unit may be configured to output...
7573242 Charger system and method  
Systems and methods of controlling a charging status indicator in a charging system for a device having a rechargeable power supply are provided. The charging system determines whether a device...
7573239 Circuit for monitoring batteries in a parallel configuration while under load  
The invention includes a circuit to monitor batteries arranged in a parallel battery configuration for charge/discharge battery circuit operation. The circuit selectively tests for each battery's...
7573238 Voltage detection device and electric vehicle including voltage detection device  
A voltage detection device for accurately correcting detection errors with voltage greater than an internal reference voltage. The device includes a first switch group of switches for obtaining the...
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...
7573236 Apparatus and method for adjusting capacity in a battery set  
A device to adjust the capacity of battery cells includes a controller that adjusts the cells to reduce the rate of heat generation in capacity adjustment. When capacity adjustment of cells that...
7573235 Battery charger and power reduction system and method  
The present invention is a shunt-type, battery-charging device that (through the use of a power dissipation and/or power reduction system and/or method) is designed to reduce the likelihood of...
7570025 Apparatus and method for monitoring battery pack  
A battery pack monitoring apparatus for and method of monitoring various characteristics of the battery pack such that when the battery pack malfunctions, the exact reason for the malfunction can...
7570024 Battery state of charge voltage hysteresis estimator  
A battery control module is provided for use with a battery and includes a voltage measuring module that measures battery voltage, a current measuring module that measures battery current, and a...
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...
7570022 Variable battery refresh charging cycles  
A refresh control system that selectively initiates a refresh charge cycle includes an energy storage device and an electric machine that is operable to charge the energy storage device. A control...
7567061 Battery equalization using a plug-in charger in a hybrid electric vehicle  
In a hybrid electric motor vehicle, a power supply system for storing and supplying electrical power includes a motor-generator located onboard the vehicle, driveably connected to the vehicle...
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...
7564221 Device and method for estimating the inputtable/outputtable power of a secondary battery  
An inputtable/outputtable power estimating device and method that can correctly estimate maximum inputtable and/or outputtable power of a secondary battery that can continue for a prescribed period...
7564220 Method and electronic circuit for efficient battery wake up charging  
A method for efficiently charging a battery. The method includes producing a first signal having a voltage level dependent on the voltage of the battery, comparing the voltage level of the first...
7564213 Battery control system for hybrid vehicle and method for controlling a hybrid vehicle battery  
A battery control system for controlling a state of charge of a hybrid vehicle battery includes a detecting arrangement for determining a vehicle operating state or an intended vehicle operating...
7560899 Circuit and method for adjusting safety time-out with charge current  
A method and circuit for adjusting a safety time-out in charging devices based on a charge current. According to one embodiment, a signal that is based on the charge current is employed to control...
7557585 Abnormal voltage detection apparatus for detecting voltage abnormality in assembled battery  
An abnormal voltage detection apparatus is provided for an assembled battery including a plurality of battery blocks connected in series to each other. In the abnormal voltage detection apparatus,...
7557584 Method and device for estimating charge/discharge electricity amount of secondary cell  
The present invention provides an apparatus that can estimate the charge/discharge electricity amount without being affected by current measurement error. If specific selection conditions are met,...
7557540 Capacity measurement system for a battery with open circuit voltage detection  
A method and system for measuring the remaining capacity of a battery with open circuit voltage detection is disclosed. The method includes the steps of measuring an open circuit voltage, obtaining...
7554330 Method for determining the deterioration of a battery  
This objective is achieved according to the present invention in that in a method for determining the deterioration of a battery, the charge and discharge cycles of the battery are measured by...
7554297 Automotive battery state monitor apparatus  
A voltage control apparatus checks a battery voltage when an automotive generator gradually increases its output to be within a predetermined range after temporarily stopping the generator. Then,...
7554296 Method and apparatus for detecting charged state of secondary battery based on neural network calculation  
A neural network type of apparatus is provided to detect an internal state of a secondary battery implemented in a battery system. The apparatus comprises a detecting unit, producing unit and...