A method for detecting a lithium plating state of a battery includes regularly collecting a voltage of a battery after the end of charging at a preset time interval after the battery is in an idle state, and associatively storing the collected voltage and a collection time as voltage data; constructing a time-differential voltage curve in a voltage-time coordinate system according to the voltage data; detecting whether a characteristic peak voltage exists in the time-differential voltage curve; and sending a warning message when detecting that the characteristic peak voltage exists in the time-differential voltage curve.

A reusable battery indicator includes a voltage sensor, a communication circuit communicatively connected to the voltage sensor, an antenna operatively coupled to the communication circuit, and a connector. The connector is electrically connected to the voltage sensor, and the connector is adapted to be removably connected to a battery, thereby providing an electrical connection between the voltage sensor and the battery. An electrical circuit is completed between the voltage sensor and the battery and the voltage sensor. The connection mechanism includes part of an electrical lock and key assembly.

A reusable battery indicator includes a voltage sensor, a communication circuit communicatively connected to the voltage sensor, an antenna operatively coupled to the communication circuit, and a connector. The connector is electrically connected to the voltage sensor, and the connector is adapted to be removably connected to a battery, thereby providing an electrical connection between the voltage sensor and the battery. An electrical circuit is completed between the voltage sensor and the battery and the voltage sensor. The connection mechanism includes part of an electrical lock and key assembly.

A battery monitoring system includes a data receiver configured to receive battery information data and vehicle information data from a data collecting device connected to a vehicle, a battery management score calculator configured to calculate, based on the battery information data and the vehicle information data, factors affecting battery degradation among a charging habit, a driving habit, and a parking habit of a user, calculate, based on the factors, a battery management score, and store the battery management score in a database, and an information transmitter configured to transmit the battery management score to a terminal.

A battery monitoring system includes a data receiver configured to receive battery information data and vehicle information data from a data collecting device connected to a vehicle, a battery management score calculator configured to calculate, based on the battery information data and the vehicle information data, factors affecting battery degradation among a charging habit, a driving habit, and a parking habit of a user, calculate, based on the factors, a battery management score, and store the battery management score in a database, and an information transmitter configured to transmit the battery management score to a terminal.

Systems and methods for estimating a state of charge of a hearing aid rechargeable battery for rapid user feedback and charge management are provided. The method includes detecting a rechargeable battery of a hearing aid received at a battery charger. The method includes retrieving a last state of charge (SoC) of the rechargeable battery and a time in use of the rechargeable battery. The time in use is a time the hearing aid is out of the battery charger. The method includes estimating a current state of charge (SoC) of the rechargeable battery based on the last SoC and the time in use of the rechargeable battery. The method includes causing a display of the battery charger to present the estimated current SoC.

Systems and methods for estimating a state of charge of a hearing aid rechargeable battery for rapid user feedback and charge management are provided. The method includes detecting a rechargeable battery of a hearing aid received at a battery charger. The method includes retrieving a last state of charge (SoC) of the rechargeable battery and a time in use of the rechargeable battery. The time in use is a time the hearing aid is out of the battery charger. The method includes estimating a current state of charge (SoC) of the rechargeable battery based on the last SoC and the time in use of the rechargeable battery. The method includes causing a display of the battery charger to present the estimated current SoC.

Disclosed is a battery state estimation method and apparatus, the method including selecting sensing data of a portion of batteries, transmitting the selected sensing data to at least one estimator among estimators, transmitting sensing data of a remaining portion of the batteries to a remaining estimator among the estimators, and determining state information of the batteries using the estimators.

Disclosed is a battery state estimation method and apparatus, the method including selecting sensing data of a portion of batteries, transmitting the selected sensing data to at least one estimator among estimators, transmitting sensing data of a remaining portion of the batteries to a remaining estimator among the estimators, and determining state information of the batteries using the estimators.

According to an embodiment, a storage battery management device includes: a memory configured to store therein storage battery characteristics of a storage battery unit as a storage battery characteristics table; and one or more processors coupled to the memory. The one or more processors are configured to: acquire the storage battery characteristics based on storage battery information output from the storage battery unit; update the storage battery characteristics table based on the acquired storage battery characteristics; and estimate SOC of the storage battery unit by referring to the updated storage battery characteristics table.