Matsushita Electric Industrial Co., Ltd.

Kanji Takada

Eiji Kadouchi

The battery assembly systemincludes a battery assembly including a plurality of storage batteries Cto Cn connected in series, a voltage detectorfor detecting respectively voltages generated in the storage batteries, a current detectorfor detecting a current flowing in the plurality of storage batteries, a state-of-charge (SOC) calculatorfor calculating the state of charge (SOC) of the storage batteries, respectively, based on the voltages detected respectively by the voltage detectorsand the current detected by the current detector, and a charging/discharging unitfor charging or discharging at least one of the plurality of storage batteries so as to equalize the SOC of the storage batteries calculated respectively by the SOC calculator

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Neyagawa, Japan

Kanji Takada