Abstract: A device estimates the health of a battery by first collecting measurements of the battery over multiple charging and discharging cycles. Scores are assigned to the measurements according to scoring rules stored in a memory of the device. The device calculates battery based on an average of the measurements, where each measurement has an assigned score greater than a threshold.

Abstract: The present invention provides a multi-battery system including a plurality of devices and a processing circuit. Each of the plurality of devices includes a battery, a measurement circuit and a communication interface, wherein the measurement circuit is configured to measure the battery to generate battery information, and the communication interface is configured to transmit the battery information. The processing circuit is configured to receive the plurality of battery information of the plurality of devices, and use a universal gauge master algorithm to process the battery information of the plurality of devices to generate a plurality of gauge results, respectively.

Abstract: A device estimates the health of a battery by first collecting measurements of the battery over multiple charging and discharging cycles. Scores are assigned to the measurements according to scoring rules stored in a memory of the device. The device calculates battery based on an average of the measurements, where each measurement has an assigned score greater than a threshold.

Abstract: A method for estimating a battery power percentage of a battery includes: performing a first fuel gauge operation upon the battery; and using the first fuel gauge operation to generate the battery power percentage of the battery by referring to information measured by a second fuel gauge operation performed upon the battery wherein the second fuel gauge operation is different from the first fuel gauge operation.

Abstract: A method for calibrating a coulomb counting based state-of-charge (SOC) estimation of a battery cell includes: determining whether the battery cell is in a specific charge state; calibrating an initial value for use in the coulomb counting based SOC estimation according to an open circuit voltage (OCV)-based SOC of the battery cell if the battery cell is not in the specific charge state; calibrating the initial value according to a predetermined value if the battery cell is in the specific charge state; and applying the calibrated initial value to the coulomb counting based SOC estimation and restarting an integration of the coulomb counting based SOC estimation based on the calibrated initial value.

Abstract: A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and according to the information for the battery cell, performing at least one control operation that is associated with the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.

Abstract: A method for power throttling upon a system includes: obtaining at least one characteristic information of a power source that is used for providing energy for the system; and, determining an available power range for the system according to the at least one characteristic information, so as to make the system control a behavior of the system according to the available power range.

Abstract: A method for controlling a state of a battery includes: providing and using a specific connecting interface to connect the battery and a portable device; and controlling the battery to enter a shipping mode and exit the shipping mode by using the specific connecting interface.

Abstract: A method applied into an electronic device and capable of measuring at least one resistance parameter includes: launching a program/application on the electronic device; and using the program/application to measure the at least one resistance parameter that is at least associated with a battery cell connected to and used for providing power to the electronic device.

Abstract: A method applied into an electronic device and capable of automatically measuring at least one parameter includes: launching an automatic program/application on the electronic device; and using the automatic program/application to measure the at least one parameter that is at least associated with a battery cell connected to and used for providing power to the electronic device.

Abstract: A method for calibrating a coulomb counting based state-of-charge (SOC) estimation of a battery cell includes: determining whether the battery cell is in a specific charge state; calibrating an initial value for use in the coulomb counting based SOC estimation according to an open circuit voltage (OCV)-based SOC of the battery cell if the battery cell is not in the specific charge state; calibrating the initial value according to a predetermined value if the battery cell is in the specific charge state; and applying the calibrated initial value to the coulomb counting based SOC estimation and restarting an integration of the coulomb counting based SOC estimation based on the calibrated initial value.

Abstract: An apparatus used with a processor to perform fuel gauge operation for a battery of a portable device includes a voltage measuring circuit and a control circuit. The voltage measuring circuit periodically measures and records a battery pack voltage for the battery according to time information received from the processor after the processor enters a sleep mode. The control circuit generates an accumulation result by calculating and accumulating at least one value of battery characteristics according to the battery pack voltage, and compares the accumulation result with a reference threshold of battery characteristics to determine whether to trigger an interrupt to wake up the processor, so as to cause the processor to update a battery cell voltage and an internal battery resistance of the battery for performing fuel gauge operation.

Abstract: A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and according to the information for the battery cell, performing at least one control operation that is associated with the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.

Abstract: A state-of-charge (SOC) indication method includes: determining estimated values of a SOC of a battery cell according to at least information regarding a characteristics measurement of the battery cell; performing a smooth and monotonic processing on the estimated values of the SOC to process unusual change in the estimated values, so as to generate processed values of the SOC; remapping the processed values of the SOC according to a remapping threshold setting to obtain remapped values of the SOC; and indicating the SOC of the battery cell with the remapped values.

Abstract: A method applied into an electronic device and capable of measuring at least one resistance parameter includes: launching a program/application on the electronic device; and using the program/application to measure the at least one resistance parameter that is at least associated with a battery cell connected to and used for providing power to the electronic device.

Abstract: A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and, according to the information for the battery cell, performing at least one control operation that is associated with the battery cell.

Abstract: A power management apparatus used in a system comprising multiple batteries includes an ADC measurement circuit and a processing circuit. The ADC measurement circuit is configured for measuring or detecting a plurality of voltage levels for each of the multiple batteries. The processing circuit is configured for calculating a DC current for each of the batteries according to an internal resistance of each of the batteries and the detected voltage levels, and for estimating an internal voltage level for each of the batteries according to the calculated DC current.

Abstract: A method for estimating a battery power percentage of a battery includes: performing a first fuel gauge operation upon the battery; and using the first fuel gauge operation to generate the battery power percentage of the battery by referring to information measured by a second fuel gauge operation performed upon the battery wherein the second fuel gauge operation is different from the first fuel gauge operation.

Abstract: A method applied into an electronic device and capable of measuring at least one resistance parameter includes: launching a program/application on the electronic device; and using the program/application to measure the at least one resistance parameter that is at least associated with a battery cell connected to and used for providing power to the electronic device.

Abstract: A method capable of accurately estimating a power percentage of a battery includes: performing a first fuel gauge operation to measure a power percentage of the battery to generate first information; performing a second fuel gauge operation to measure the power percentage of the battery to generate second information, the first fuel gauge operation being different from the second fuel gauge operation; and, dynamically determining one among at least the first percentage and the second percentage as the power percentage of the battery.