| 摘要 |
PROBLEM TO BE SOLVED: To provide a state display method of a vehicular secondary battery that can sufficiently transmit the state of charge of a secondary battery to a user so as not to cause a failure of a vehicle arising from the secondary battery. SOLUTION: A current I, a voltage V, and a temperature T of the vehicular secondary battery are detected in the processes of steps S1, S11 of a battery controller 2. The state of charge (SOC) of the vehicular secondary battery and a state of health (SOH) to deterioration are calculated in the processes of steps S2, S12 of the battery controller 2. A display control section 83 displays both SOC and SOH simultaneously on an information display section 81 of a vehicle. COPYRIGHT: (C)2009,JPO&INPIT
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