Battery Size Chart
| Battery Group Size | L (in) | H (in) |
| 24 | 10 1/4 | 8 7/8 |
| 24F | 10 3/4 | 9 |
| 27 | 12 1/16 | 8 7/8 |
| 34 | 10 1/4 | 7 7/8 |
Full Answer
What is the standard size of a car battery?
The size you get depends on the car brand. What size is a battery terminal? For most cars, the standard battery terminal size is between 11 and 13 mm, those sizes equal to just under 1/2 inch to just over 1/2 inch. For marine batteries, the positives are usually 3/8ths and the negative is only 5/16ths.
How do I find my car battery size?
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 size are car batteries?
You can also use a car battery group size chart which is readily available online. The battery group is specific to the year, make and model of your car. The most common battery group sizes are 24, 24F, 25, 34, 35, 51, 51R, 52, 58, 58R, 59, and 65. Manufacturers tend to favor a particular battery group size.
What is the size of a 12V battery?
This type of battery is intended for a commercial vehicle and has dimensions of 20.75 x 8.75 x 9.8 inches. The posts are located on the top, and the positive post is on the right.
How do I know what size car battery to buy?
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 are the different car battery sizes?
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.
What are group sizes in batteries?
This refers to the battery size that will best fit the physical dimensions, terminal locations and type required for your vehicle. The Battery Council International (BCI) assigns numbers and letters for each battery group size. Group size is typically based on your vehicle's make, model and engine type.
What do car battery size 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 are the 3 different types of car batteries?
Well, to have an idea here are various types of batteries for a car.Starting, Lighting, and Ignition Batteries (SLI) SLI batteries. ... Lithium-Ion (Li-ion) Batteries. ... Lead-Acid Batteries.
Will a bigger battery hurt my car?
As several people have stated, no, a larger battery will not harm your alternator (or other electrical components), provided that it is putting out the correct voltage.
How do I know what group size my battery is?
Step: 1 Check for the group size on your old battery. 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.
What is the difference between a group 24 and a group 27 battery?
If you compare a group 24 battery and group 27 deep cycle battery together, you'll notice that the mp hours are slightly higher on the group-27 product. This specification difference is made on purpose by the manufacturers. In general, a group size with a higher number has more amp hours than lower values.
How do you read a battery size?
Understanding the specifications1st digit – Voltage. 1-2 = 6 Volt Battery. 5-7 = 12 Volt Battery.2nd & 3rd digits – Nominal capacity. 560 = 60Ah @ 20 hour rate. 660 = 160Ah @ 20 hour rate.4th & 5th digits – The unique code number referencing battery performance and features.
Does battery size matter in a car?
Car Battery Sizes Do Matter When it comes to car batteries, size matters. The size of your car battery will make a huge difference in the functionality of your car. A small two-door car is much different from a large work truck, and each vehicle requires a different level of power to turn the engine.
What does CCA and MCA mean on a battery?
CCA is the cold cranking amp rating which tells you how many amps will be delivered to the engine in cold temperatures. MCA or marine cranking amps is conceptually the same rating, however, the CCA rating is based on amps delivered at 0℉ and the MCA rating is done at 32℉.
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 ( ...
What does 24F mean on a car 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 a higher CCA battery better?
In general, for both CCA and RC, the higher the number the better. However, if you live in a cold climate, the CCA rating should be an important consideration in choosing a battery.
Does battery size matter in a car?
Car Battery Sizes Do Matter When it comes to car batteries, size matters. The size of your car battery will make a huge difference in the functionality of your car. A small two-door car is much different from a large work truck, and each vehicle requires a different level of power to turn the engine.
Do higher CCA batteries last longer?
It may actually provide for slightly faster starts, with less wear on the starter motor, but in most cases the difference is not significant enough to worry about. A higher CCA just creates the ability for the battery to provide more starting amperage; it does not force more power than your starter should consume.
What is the best source of information to find the recommended battery group size and specifications?
The best source of information to find the recommended battery group size and specifications is your Owner’s Manual.
What is the most common battery group for electric cars?
The most common battery groups for electric and hybrid cars are GC2 and CG2H, which are a 3-cell battery. However, batteries for electric and hybrid cars also come in 4-cell and 6-cell versions. These include GC8, GC8H, and GC12 battery groups.
What is a BCI 35 battery?
A BCI Group 35 battery is a standard battery size for a wide range of cars and small trucks. It has a top-post design and fits popular models, including Toyota, Nissan, KIA, Ford, and other models. It is the recommended Honda Accord and CR-V battery for many models.
What does BCI stand for in batteries?
These numbers and letters are the BCI group size of the battery. BCI stands for Battery Council International.
What is BCI in car?
The BCI designations include the group definition, dimensions, measurements, types, sizes, and other characteristics. The battery conversions chart can help you to cross-reference battery sizes, but it is also useful to understand the various group sizes that are designated for different types of vehicles.
What happens if you put a bigger battery in your car?
On the other end of the spectrum, if you put a battery that is larger than recommended, it can cause significant damage to your car. The larger battery can cause spikes and power surges that can damage your electronics, including your onboard computer.
What is universal battery number?
A universal battery number is simply another battery naming system. They are still in different sizes and shapes. These numbers usually begin with UB followed by a sequence of five numbers and another set of five letters and numbers separated by a hyphen.
Why do we have specific codes for car batteries?
In the United States, specific codes are assigned to all car battery sizes in order to help determine the precise size and specifications required for any battery replacement. Learn which battery is right for your vehicle.
Can a car battery be compatible with a neighbor's car?
Basically, even if you have a similar size car to that of your neighbor, your car batteries might not be compatible based on their physical dimensions, the positions of their terminals, and their polarity.
Can you use a car battery for a golf cart?
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. Keeping track of the BCI group codes is essential, since no two codes are 100% the same. Even though in some instances similar battery sizes and mounts can be adapted, this is neither recommended nor legal in terms of keeping your vehicle compliant with the necessary automotive standards.
What is the group size of a battery?
The group sizes are usually 70, 74, 75 and 78. In contrast, European vehicle manufacturers such as Audi and Mercedes have batteries where the top posts are recessed. This results in the top of the battery posts being the same height as the battery. Also, there is often a specialized ventilation system on the battery.
What is the most common battery group size?
The most common battery group sizes are 24, 24F, 25, 34, 35, 51, 51R, 52, 58, 58R, 59, and 65. Manufacturers tend to favor a particular battery group size. Many General Motors vehicles in the US have side-post batteries. These do not have battery posts at the top, instead there are cable ends that screw into the side.
Why is my car battery flat?
Continued. A flat battery is a frustrating and inconvenient automotive issue. If you find that your battery is often flat when you go to start your car in the morning, it could be because you need a new battery.
Why are battery sizes important?
Because batteries are standard sizes, it makes it easier for vehicle manufacturers to design the engine compartments. The battery group size is a simple industry standard so it will be easier for you to find the right battery when you need to replace it.
What are the different types of car batteries?
Different Types of Car Battery. There are two basic types of battery which are called wet cell and VRLA batteries. It is important that you choose the right type for your car as well as the correct group size. Wet cell car batteries. These are also sometimes called flooded batteries and are a category of lead acid battery.
What type of battery is used to start a car?
The first is an SLI (starting, lighting, ignition) battery which will start your car with a short burst of energy and also powers the lights and ignition. However, once the car has started, the power that it needs to keep running is provided by the alternator. Most cars have this type of battery.
What is flooded battery?
These are also sometimes called flooded batteries and are a category of lead acid battery. Inside this type of battery, there is a liquid electrolyte so they can be recharged. This is done when the engine is running. If you have this battery in your car, you will need to check on the level of the diluted acid.