Abstract: 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.

Abstract: Described herein are a system and methods for evaluating operation of a battery utilizing battery operating data and exogenous data. The method may comprise: sensing, for each battery in a plurality of batteries, a temperature of the battery and a voltage of the battery (collectively, for each battery, the “battery operating data”), wherein each battery has a respective battery monitor circuit coupled thereto or disposed therein, and wherein the sensing of the battery operating data for each battery is performed by the respective battery monitor circuit; wirelessly transmitting, from each battery monitor circuit, the battery operating data for the respective battery to a remote device; receiving, at the remote device, exogenous data associated with at least one battery in the plurality of batteries; and utilizing the exogenous data associated with the battery, together with the battery operating data for that battery, to evaluate performance of that battery.

Abstract: A method of determining a reserve time of a monobloc includes detecting, by a voltage sensor, an end of discharge voltage of the monobloc after a deep discharge of the monobloc. The method further includes receiving, by a processor, the end of discharge voltage of the monobloc. The method further includes determining or receiving, by the processor, a duration of the deep discharge. The method further includes calculating, by the processor, a discharge reserve time of the monobloc based on the end of discharge voltage and the duration of the deep discharge.

Abstract: A method for determining a remaining life of a battery includes detecting, by a voltage sensor, multiple voltages of the battery. The method further includes detecting, by a temperature sensor, multiple temperatures corresponding to the battery. The method further includes receiving, by a processor, the multiple voltages and the multiple temperatures of the battery. The method further includes determining, by the processor, an amount of float life consumed during a float mode of the battery based on at least one of the multiple temperatures. The method further includes determining, by the processor, an amount of cycle life consumed during a discharge mode of the battery based on at least one of the multiple voltages. The method further includes calculating, by the processor, the remaining life of the battery based on at least one of the amount of float life consumed or the amount of cycle life consumed.

Abstract: A battery monitor circuit, systems and methods are disclosed. The battery monitor circuit may comprise 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 configured to be located external to the battery and wired electrically to the battery.

Abstract: A battery monitor circuit, systems and methods are disclosed. The battery monitor circuit may comprise 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.