When a car battery is fully charged, the voltage values should measure at 11.9 volts or above. When the car engine is running, this measurement should be 13.4 to 14.8 volts. but the low voltage doesn't necessarily equal a bad battery.
Before starting, the minimum voltage needed to create a car should measure 11.9V, and after starting, You have to check or replace your starting battery if the voltage is between 12.8 to 13.2V.
How many voltages do a car battery need to start?
For a car with a 12V engine, the normal value before starting is between 11.9V and 12.8V, and it should not exceed 14.8V after starting.
How to test a car battery voltage?
1. Use a multimeter to check the battery voltage.
You can find numerous results on Google, Find a Retailer for a location near you to get a free battery test.If the battery is below 12.6 volts, you should attempt to charge it with a battery charger.
3. Buy a portable car battery charger in case of need.
You can purchase a portable jump starter place in your car, if your car battery voltage is low and won't start, you can use it to jump-start your car.
What should you do after the battery voltage test?
Once you have tested the battery voltage, you should have it load-tested by a battery professional. Most auto parts stores offer this service and most will be happy to test it for free. A load test, not a voltage measurement, is the most accurate way to determine the health of your car battery.
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