How Do I Find Out My Cars Battery Size?

Asked by: Mr. Thomas Westphal Ph.D. | Last update: July 20, 2020
star rating: 4.0/5 (91 ratings)

To find the size of your car battery, consult the 'battery' section of your owner's manual. If you can't find your battery size or your owner's manual, visit your local auto repair shop or retail store. They can help you find the right size and battery for your car.

How do I know what size battery my car takes?

A car's battery tray will vary in size depending on the manufacturer, but most are designed to accommodate batteries of a specific group size. Your car's battery group size can be found in the battery section of the owner's manual.

What size batteries are in cars?

In general, these more-common battery group sizes are 24, 24F, 25, 34, 35, 51, 51R, 52, 58, 58R, 59, and 65. Helpful Hint: Some vehicles can handle a larger battery than was originally installed. A physically larger battery usually has more power and reserve time than a smaller battery.

Can you put a different size battery in your car?

Just as with any part or accessory, using the wrong size battery can lead to a host of problems. While it isn't always necessary to use the OEM brand, you should always replace your battery with the size and output that the manufacturer recommends.

How many amps is a 12v car battery?

Since we're talking about car batteries, let's use it for another example. Car batteries will typically have a capacity of 48 amp hours. What this means is a fully-charged 12-volt car battery rated at 48 amp hours can deliver 1 amp for 48 hours or 2 amps for 24 hours.

How To: Buy the right battery for your car | Cooley On Cars

21 related questions found

What is my battery group size?

If the battery that originally came with your car is still in it, look for the group size on a label on the battery. The label may be on the top or on the side of the case. Group sizes are typically a two-digit number and may be followed with a letter.

Are car batteries standard size?

Not all car battery sizes are used solely for cars. All vehicles that require car batteries, including trucks, special commercial utility vehicles and even golf carts, have their own special type and size of battery.

Will any 12 volt battery work in any car?

No. Car batteries differ in multiple ways to work with different vehicle's specifications, and they are generally year, make, model-specific. Many car batteries do have one important similarity in how they work.

Can I use a battery with higher cranking amps?

Larger CCA rated batteries may be in different size groups. But if you are in the same size group, with suitable connections (posts) then using a higher CCA battery will do no harm.

What does CCA mean on a battery?

Cold cranking amps (CCA) - CCA is critical for good cranking ability. It's the number of amps a battery can support for 30 seconds at a temperature of 0 degrees F until the battery voltage drops to unusable levels. Reserve capacity (RC) - helps to power your vehicle's electrical system if the alternator fails.

Is 300 amps enough to start a car?

How many amps do I need to jump start my car? 400 to 600 amps will be more than enough to jump-start any normal, consumer vehicle. Commercial vehicles may require up to 1500 or 2000 amps. Compact and small vehicles can be boosted with as little as 150 amps.

How many amps does a car battery need to start?

Answer provided by While the required power will vary depending on the type of battery you have, 400 to 600 amps should be enough to start your battery. If your car is relatively small, you might not need more than 150 amps to get your car battery started.

Should I charge my battery at 2 or 10 amps?

It is best to slow charge the battery. Slow charging rates vary depending on the battery's type and capacity. However, when charging an automotive battery, 10 amps or less is considered a slow charge, while 20 amps or above is generally considered a fast charge.

How do I know if my battery is H7 or H6?

As one can see, H6 and H7 batteries feature exactly the same width (175 mm, 6.89 inches) and height (190 mm, 7.48 inches), but they differ in length by 37 mm (1.47 inches) - H7 batteries are longer, and thus feature larger volume and hence better performances in terms of capacity, cranking Amps, and Reserve Capacity (.

How do I know what type of battery I have?

Check the Manufacturer's Label on the Battery. Usually, all the batteries have labels and other information about the battery provided by the manufacturer. Hence, if the label on the battery is still in good condition, you will be easily able to figure out the type of battery.

What are the sizes of batteries?

Sizes and Formats of cells and batteries SIZE DIAMETER WEIGHT YYYY 8.4 mm 6.5 g 1/2 AAA 10.0 mm 5.3 g 2/3 AAA 10.0 mm 7.3 g 4/5 AAA 10.5 mm 9.3 g..

What do the numbers on a battery mean?

Date Code: Most batteries have a date code, usually a long string of numbers and letters that show when the battery was purchased. One row of one- or two-letter codes indicates the month, the other row of numbers is the last digit of the year.

What happens if you put a larger battery in your car?

When you use a larger battery, your car's electrical systems don't automatically start pulling more current simply because it's available. The current draw will remain the same. Because of this, a larger battery will not deplete faster than it's smaller counterpart.

What does 063 mean on a car battery?

The most popular car battery is the 063 Type (UK reference number) which is around 21 cm long x 17.5 wide x 17.5 high. The 063 is a 12 volt car battery and generally delivers 42ah, 43ah or 44ah depending on the brand.

Are all 12V batteries the same?

All 12-volt battery types are similar in that they provide power for your 12V electrical system. However, there are significant differences in how they're designed, their capacity, the amount of maintenance required, and the cost to buy and install.

Is 600 cold cranking amps enough?

The key to flawless cold-weather starts is to have a battery rated at least 600 CCA (cold cranking amps). Most standard car batteries are rated in the range of 300 to 500 CCA. They're fine for regular cars in most types of weather, including bitter cold.

What does 24F mean on a battery?

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.

Is more cold cranking amps better?

Well, that's still very important, because cold, cranking amps tells you the ability of the battery to do work right now. And the higher the cold cranking amp rating of the battery, the better it is for your car.

How many CCA does my car need?

The standard recommendation is a battery with at least one Cold Cranking Amp (CCA) for every cubic inch of engine displacement (two for diesels). CCA rating is an indication of a battery's ability to deliver a sustained amp output at a specified temperature.

What does 300 CCA mean on a battery?

The rating refers to the number of amps a 12-volt battery can deliver at 0°F for 30 seconds while maintaining a voltage of at least 7.2 volts. The higher the CCA rating, the greater the starting power of the battery.