Patent ID: 11899951
Assignee: LG ENERGY SOLUTION, LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 10:
11. A battery device, comprising:
a battery cell assembly including a plurality of battery cells that are electrically connected to each other;
a micro controller unit (MCU) that includes non-transitory flash memory, the flash memory being configured to store an application for battery management of the battery cell assembly; and
a battery management system (BMS) that performs the battery management according to the application executed by the MCU,
wherein when the MCU is powered on, the flash memory is configured to determine a key value of the application,
wherein when the key value of the application is invalid, the flash memory is configured to enter a mode that enables reprogramming of the flash memory,
wherein the flash memory is configured to store a plurality of applications,
wherein the plurality of applications includes a state of charge (SOC) estimation application, and
wherein in response to the SOC estimation application being executed in the MCU, the MCU is configured to send a control signal to a battery management system (BMS) based on a SOC estimated by the SOC estimation application.