What does the F stand for on a car battery?

Measuring Battery Power Three traditional measures of battery power are listed right on the label. Cranking Amps (CA) – Indicates the number of amps a new, fully charged battery can deliver continuously at 32° F for 30 seconds while maintaining a voltage of at least 7.2 volts.

What is a good CCA for a battery?

Typical CCA readings for a car range from 350 to 600A, and higher for trucks. SAE J537 specifies that a battery with a CCA reading of 500A can deliver 500A at –18°C (0°F) for 30 seconds without dropping below 7.2 volts.

Can I use a smaller battery in my car?

There is no problem as long as the battery is held down and isn’t flopping around. As long as the terminals match up and (this is a big one), it starts your car ok. Some smaller batteries just don’t have enough “juice” to turn over the bigger engines properly.

How do I know my battery size?

Battery specifications are generally present in the manual and are easy to get. Note down the specification written in letters and numbers. The second way is to look directly on your battery (See Figure below). If it is original equipment, you can easily find the Group Number label on top or sides of the battery.

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