Car Battery Voltage: What Is a Good Battery Voltage for a Healthy Car?
A good car battery voltage when the engine is off is between 12.4 and 12.9 volts. A reading below 12.4 volts may signal problems but does not confirm a faulty battery. The battery might be drained due to the vehicle’s electrical system or a failing alternator. Regular checks can help assess the battery’s health. When … Read more