What Is the Correct Car Battery Voltage for a Healthy and Reliable Start?
A standard car battery operates at 12 volts. When fully charged and the engine is off, the voltage should be 12.6 volts. When the engine is running, the voltage rises to between 13.7 and 14.7 volts. Keeping this voltage range is crucial for optimal battery performance and overall vehicle function. When the engine is running, … Read more