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Take a multimeter and set it to the 20 volt dc scale. Touch the red probe to the positive post and the black probe to the negative post. The positive post is slightly larger. Automotive batteries have been 12 volts DC since the late 50s.

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Q: How do you tell voltage of most car batteries?
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Related questions

What is the voltage of most car batteries?

12.6 volts when fully charged.


What is the meaning of volts in car batteries?

Voltage is how much power the batteries have. I think....


If you have four batteries in series what is the output voltage?

depends on the voltage of the batteries.. four 12 volt car batteries would output 4x12 = 48 v


Should you set your car battery recharger to 6 volt or twelve volt?

The charger needs to be set to charge for the voltage that the battery is designed to produce. Most car batteries are 12 volt batteries.


How many car batteries do you need to power your 100 amp home?

You cannot power a home with car batteries. Batteries are DC voltage. Your home operates on AC voltage. You could use a converter but the number of batteries required to operate an average home would be enormous.


Can you replace two CR2016 batteries in a car key with one CR2032?

No. You would only have half the voltage required as they are the same voltage.


Can you describe how batteries are sources of voltage?

The number of cells in a battery determine the battery's voltage. Different types of batteries have different cell voltages. The cell voltage is dependant on the reactive metals used. A typical car battery will have six cells. Because a typical cell voltage has a source voltage of approximately 2.0 volts, this makes a car battery produce a voltage of 12 volts.


Why can car batteries run on low voltage?

Because the alternator will keep your car running as long as its running Type your answer here...


What voltage should car batteries be charged with?

Between 12V-14.2V is recommended, however standard charging units will optimize their charge to your batteries needs.


How do car batteries provide voltage?

How Automotive Batteries Create Electrical CurrentAutomotive batteries create electrical current by converting chemical energy stored in the plates and the electrolyte [the Sulphuric Acid in auto batteries] to electrical energy.


What acid is found in batteries?

Most car batteries contain Sulphuric acid.


Do electric cars have car batteries like in gas cars?

No, the batteries in an electric car are much different. Normal automotive batteries are lead acid batteries. Most electric cars use Lithium-Ion batteries.