# How are car battery sizes measured?

## How are car battery sizes measured?

The group sizes are standardized by the Battery Council International, who provide each battery’s dimensions in both inches and millimeters. The group numbers are generally two digits and may be followed by a letter. 24F, for instance, is a common battery size that fits many Honda, Toyota, Nissan, and Acura vehicles.

## What is the difference in battery group sizes?

In general, a group size with a higher number has more amp hours than lower values. This fact translates to more power in your battery as the day goes on.

What is a group 21 battery?

BCI Battery Group Size Chart

BCI Group Size L x W x H (mm) L x W x H (inches)
21 208 x 173 x 222 8 3/16 x 6 13/16 x 8 3/4
21R 208 x 173 x 222 8 3/16 x 6 13/16 x 8 3/4
22F 241 x 175 x 211 9 1/2 x 6 7/8 x 8 5/16
22HF 241 x 175 x 229 9 1/2 x 6 7/8 x 9

### What battery numbers mean?

It’s a measurement of how much energy a battery can deliver continuously for 20 hours at 80 degrees F without falling below 10.5 volts. If a battery is rated at 100 amps/hour, it will supply 100 amp/hours of power, or 5 amps/1 hour.

### What is the difference between a 24 and 24F battery?

Only difference between a 24 and a 24F(rarely called a 24R) is the polarity. I’d like to see the chart saying the battery size is smaller. Between manufacturers there may be very slight differences, but they still much conform the BCI Group size standard. If you have slack on the cables, you’ll be just fine.

What is the difference between a 24 and a 24F battery?

## Can you use a different size battery in a car?

Different Battery Capacity Getting more capacity will likely be a heavier expensive but will usually work fine. Not using the original battery brand, on the other hand, is completely fine as long as it has the same size and output recommended by the manufacturer.

## What are the dimensions of a standard automotive battery?

Some car battery sizes are 10″ x 6 7/8″ x 7 13/16″. Other models have dimensions of 8″ x 4 7/8″ x 5 12/16″.

What are the best car batteries to buy?

The best car battery is the Optima Batteries 34 RedTop that provides 720 CCA and high starting power even in cold temperatures.

### What group size is my car battery?

How to Determine Car Battery Group Size The first place you can look to find the proper battery group size for your vehicle is the Owner’s Manual. Look directly on the battery you’re replacing. Particularly if it’s original equipment, you can usually find the group size printed on the top or side labeling. The next simplest way is to ask an expert.

### What type of batteries do automobiles generally use?

Types of Batteries Used for Electric Vehicles Introduction. Motived by the increasing environmental concerns and also the available resource limitations of oil, the automotive industry has continued to develop various alternative fuel vehicles. Lead Acid Batteries and Nickel Metal Hydride Batteries. Fig. Lithium Ion Batteries. Conclusion. References.