BATTERY MANAGEMENT DEVICE, BATTERY MANAGEMENT METHOD, AND VEHICLE

A battery management apparatus includes a memory and a processor operatively connected to the memory. The processor determines an operating range of the battery pack based on battery state variables; calculates degradation rate values of the battery state variables based on energy degradation parameters; measures a usable battery energy (UBE) to be supplied by the battery pack based on a standard test pattern; and estimates a state of certified energy (SOCE) of the battery pack by comparing a measured UBE value with a reference UBE value.