不能光看电压.二个参数:电流CCA和容量AH决定是否该换.充满电后无论新旧电压都会到12.6V.新电池放电后也会低于11.7V
12.60 V | 6.32 V | 100% | 1.265 g/cm3 |
12.35 V | 6.22 V | 75% | 1.225 g/cm3 |
12.10 V | 6.12 V | 50% | 1.190 g/cm3 |
11.95 V | 6.03 V | 25% | 1.155 g/cm3 |
11.70 V | 6.00 V | 0% | 1.120 g/cm3 |
http://en.wikipedia.org/wiki/Automotive_battery