| 摘要 |
A PC executes a control process including the steps of: calculating an internal pressure increase amount P; calculating an internal pressure fluctuation amount &Dgr;P; calculating a deterioration evaluation value D1; calculating a deterioration evaluation value D2; determining that a battery can be shipped as a secondhand battery when D1+D2 is equal to or smaller than a threshold value A; and determining that the battery cannot be shipped as a secondhand battery when D1+D2 is larger than the threshold value A. |
