What Do Battery Group Sizes Mean

Car and Truck Battery Group Size 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. via

Can I use a different group size battery?

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. via

What is the difference between battery group sizes?

Associations With Amp Hours

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. This fact translates to more power in your battery as the day goes on. via

Does battery group size really matter?

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. via

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

Correction: according to a BCI size list I found, a group 24R is a reversed 24; our 24F is a longer (by 13mm or 1/2") version of a group 24. via

What does group size 24 battery mean?

You may have heard common terms like a "group 24 battery" or "type 27 marine battery." These numbers are referring to the Battery Council International, or BCI, Group Number of the battery. For deep cycle batteries, the larger the case size the more capacity the battery will usually have. via

How do I know battery group size?

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. You'll also find other information here, like cold-cranking amps and reserve charge, that can be helpful as you shop for your replacement. via

What happens if you put the wrong size battery in your car?

Along with power and CCA ratings, car batteries also come in a range of physical sizes, as well as top-mount and side-mount configurations. A mismatched battery/alternator combo could cause your alternator to overheat and shorten its life. via

How do I know what size battery my car needs?

Your car's battery group size can be found in the battery section of the owner's manual. If you no longer have access to your original owner's manual, you may also consult the reference guides provided by battery retailers to determine the appropriate battery group size for your car. via

Is it OK to put a bigger battery in your car?

Most vehicles have limited space for batteries, so in many cases a larger size, from a physical standpoint, may not work. The problem in most cases is that the terminals will contact the hood and short out the battery or the physical dimensions just will not work. via

Can I put a higher Ah battery in my car?

It might also result in trouble while starting your car. A much higher Ah rating can put a huge amount of load on the alternator, so to get the best replacement car battery, choosing one with the right Ah rating is vital. If the battery is not of the right size, it will not fit properly in the battery tray of your car. via

Does the size of a battery affect how long it lasts?

Generally, the larger the battery is, the more capacity it has for energy storage. So even though a big and small battery are both rated at 1.5V, the big battery stores more energy and provides a longer battery life. via

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