Northstar Battery Company, LLC

Polarium Energy Solutions Ab

Ulf Krohn

Frank Albert Fleming

Don Karner

Christer Lindkvist

Johan Kullberg

Kenneth Lindgren

Johan Forslöf

Described herein are system for evaluating operation of a battery by utilizing battery operating data for the battery and utilizing battery operating data for a plurality of other batteries. A system for evaluating operation of a first battery based on measured temperature and voltage monitored in the first battery and in a plurality of other batteries, the system comprising: a battery monitor circuit and a remote device in communicative connection with the battery monitor circuit, wherein the battery monitor circuit wirelessly transmits temperature and voltage information for the first battery to the remote device, wherein the remote device receives temperature and voltage information associated with a plurality of other batteries, and the remote device is configured to evaluate a condition of the first battery as a function of both: (i) the temperature and voltage information of the first battery and (ii) the temperature and voltage information of the plurality of other batteries.

System for utilizing battery operating data

A system for determining an operating mode of a battery includes a voltage sensor configured to detect a present voltage across terminals of the battery. The system further includes a non-transitory memory configured to store previously detected voltages across the terminals of the battery, and a previous operating mode of the battery. The system further includes a processor coupled to the voltage sensor and the non-transitory memory and configured to determine the operating mode of the battery by comparing the present voltage across the terminals of the battery to the previously detected voltages of the battery and based on the previous operating mode of the battery.

Systems and methods for determining an operating mode of a battery

The system may be configured to perform operations including receiving battery information, such as voltage data, temperature data, battery-specific data, and/or application-specific data; and displaying at least a portion of such data on a graphical user interface on a display screen. The operations may further include analyzing at least a portion of the battery information to monitor or determine battery health and performance, and displaying the results of such analysis on the display screen.

Systems and methods for monitoring and presenting battery information

The system may be configured to perform operations including measuring a temperature and a voltage of a battery at various times producing data points, wherein each data point comprises the temperature and voltage of the battery and a respective time that the temperature and voltage was measured; assigning each data point to a respective cell in a matrix stored on a, wherein the matrix comprises a first axis comprising voltage ranges and a second axis comprising temperature ranges, wherein each cell is associated with a voltage range and a temperature range, wherein the voltage and temperature of each data point is within the voltage range and temperature range, respectively, of the respective cell; and/or generating a first value in a counter comprised in each cell reflecting a total number of data points assigned to the cell, such that the first value in each cell is stored in the memory.

Operating conditions information system for an energy storage device

Described herein are methods for determining, based on actual crank conditions, an ability of a battery connected to an electric starter motor, to start an internal combustion engine, wherein the battery is a single monobloc or a plurality of monoblocs that are electrically connected in series or parallel. The method may include: receiving battery temperature data, representing a temperature of the battery at a time of cranking the internal combustion engine; receiving voltage data monitored from the battery, determining an instantaneous minimum voltage of the battery during the time of cranking the internal combustion engine; and determining a capability of the battery to crank the internal combustion engine based on the battery temperature data and the instantaneous minimum voltage of the battery.

Systems and methods for determning crank health of a battery

A battery monitor circuit, systems and methods are disclosed. The battery monitor circuit may have a voltage sensor, a temperature sensor, a processor for receiving a monitored voltage signal from the voltage sensor, for receiving a monitored temperature signal from the temperature sensor, and for generating voltage data and temperature data based on the monitored voltage signal and the monitored temperature signal, an antenna, and a transmitter. The battery monitor circuit may be configured for wirelessly communicating the voltage data and the temperature data to a remote device, via the antenna. In an exemplary embodiment, the battery monitor circuit is located internal to the battery and wired electrically to the battery.

Battery with internal monitoring system

A method for estimating a SOC of a battery electrically coupled to at least one of a load or a power source includes detecting, by a voltage sensor, voltages of the battery. The method further includes determining, by a processor, an average voltage of the battery by averaging the detected voltages of the battery over a predetermined period of time. The method further includes determining, by the processor, a present operating state of the battery based on at least one of the detected voltages of the battery. The method further includes determining, by the processor, a present SOC of the battery based on the present operating state of the battery and the average voltage of the battery. The method further includes transmitting, by the processor, the present SOC of the battery to an output device for outputting the present SOC of the battery.

Systems and methods for determining a state of charge of a battery

Disclosed herein are a methods and system for monitoring battery temperature and providing alerts when temperatures are abnormal, comprising: wirelessly receiving temperature measurement data from a single monobloc or a plurality of monoblocs that are electrically connected in series or parallel, wherein a temperature measurement data represent the temperatures inside each of said plurality of monoblocs; calculating a temperature value, T, equal to an average of the temperature measurement data wirelessly received from all the plurality of monoblocs in a battery; calculating a high temperature difference, T, as an absolute value of the difference between the highest monobloc temperature in the battery and the T; calculating a low temperature difference, T, as an absolute value of the difference between the lowest monobloc temperature in the battery and the T; and establishing an alert when the Tis greater than a predetermined high temperature threshold.

Systems and methods for detecting thermal runaway of a battery

Described herein are method and systems for detecting an unauthorized removal of a battery. The system comprising: a battery monitor circuit attached to or embedded in the battery; a remote device, wherein the remote device stores instructions that when executed on the remote device cause the remote device to perform operations comprising: receiving, at the remote device, a wireless signal from the battery monitor circuit comprising voltage and temperature data; evaluating, by the remote device, whether the battery is in its expected location by confirming for each battery, which is expected to be present, whether there has been an unexpected interruption in the wireless signal from the battery; providing an alert notification when there has been an unexpected interruption in the wireless signal.

Growing community of inventors

Stockholm, Sweden

Ulf Krohn