Car battery voltage how many volts normal?

Car battery voltage normal standards are as follows:

1, general sedan 12V battery, off state voltage should be 12.8V or so (plus or minus 0.3V), if the voltage is lower than 12.5V need to be supplemented in time for electricity, the subject of the 13.7V should not be possible, unless it is just off the engine when the false voltage detected, after a few minutes or are open down the headlights for a few seconds and then check, or necessary to verify the accuracy of the detection instrument. Or it is necessary to verify the accuracy of the testing instrument;

2, for maintenance-free batteries, the normal voltage between 12 volts to 14.1 volts;

3, for lead-acid batteries, the normal voltage between 12 volts to 14.7 volts;

4, even in the stalled state, as long as you use a voltmeter is not a problem, the measured voltage is within the range mentioned above, there is no problem. range, it's fine.

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