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A car how many miles it can go with just one charge is based on the size of your battery pack and what type it is. The larger the number, the more range your vehicle has per single charge.
But how do you choose the right battery size for your car? What happens if you use the wrong battery group size in your car? Stick around to get these questions, and man more answered correctly and precisely for you.
- The voltage of the battery
- The maximum physical dimensions of the battery; length, width and depth.
- Terminal type of the battery.
- The configuration of the battery.
What Does Battery Group Size Mean?
Battery group size refers to the scale of the battery in order to be maximumly suitable with the bodily dimensions, terminal vicinity and kind required to your vehicle. The size of the group is usually based on the make, model, and type of engine in your car.
There should be information about a battery and there should be an idea about the size you need. Also, you can consult your mechanical or auto supplier. These people know the exact size of the battery based on the car model.
Battery Group Size Chart
|Battery Group Size||LxWxH (inches)||Recommended Product|
|Group 24 Batteries||10.25 x 6.8125 x 8.875||ACDelco AGM Voyager BCI Group 24 Battery|
|Group 25 Batteries||9.32 x 6.8 x 7.62||Optima 8025-160 25RedTop Starting Battery|
|Group 27 Batteries||12.0625 x 6.8125 x 8.875||Marine Battery Group Size 27-12V 77Ah 800 CCA|
|Group 31 Batteries||13 x 6.8125 x 9.4375||12V 105Ah Marine Battery Group 31|
|Group 34 Batteries||10.25 x 6.8125 x 7.875||Delphi MaxStart AGM Group Size 34|
|Group 35 Batteries||9.0625 x 6.875 x 8.875||Delphi MaxStart AGM Automotive Battery Group Size 35|
|Group 65 Batteries||12.0625 x 7.5 x 7.5625||ODYSSEY 65-PC1750T Automotive and LTV Battery|
|Group 78 Batteries||10.25 x 7.0625 x 7.6875||Optima Batteries 8078-109 78 RedTop Starting Battery|
What Does Battery Group Size Mean In A Deep Cycle Battery?
A deep cycle battery is designed to deliver sustained power supply with low current draw over an extended period contrary to the regular car battery that provides power supply in high burst but for a shorter period. Therefore, the battery group size in deep cycle battery is no different from the ordinary meaning of battery group size.
Common Battery Group Size
Currently, each manufacturer of Battery Council International (BCI) includes battery group sizes in their products. Sizes can be letters, numbers, or a combination of both. Also, the number may be written on the vehicle manual or printed in the battery area.
Group 24 Batteries
Batteries of this size can be found in your market and this is the most common battery group size. One of its features is that it is designed for lightweight vehicles. As you know, light vehicles are more common than other types of vehicles.
Group 24 Batteries – Dimensions, Feature
BCI Group 24 batteries usually have large UPS systems. Group 24 battery chemistry is AGM (Absorbent Glass Mat) SLA (sealed lead acid) battery, but there are other chemicals/types like gel-cell batteries, flooded batteries, and even lithium-ion batteries.
The BCI Group 24 features a battery (LXWXH) of 10.25 x 6.8125 x 8.875 inches (260 x 173 x 225 mm), but other subgroups include
Group 35 Batteries
These groups are popular with everyone because they are designed for lightweight vehicles. The sizes of this group target cars that consume a lot of energy, like Chrysler and some Nissan and Toyota car models.
Group 35 Batteries – Dimensions, Feature
The BCI Group 35 battery is a very popular battery size of lead-acid batteries that are commonly used as a starting or dual-purpose battery in cars, trucks, RVs, and other similar applications.
Group 35 batteries supply medium size batteries, 620-850 cca with 20 hours power in 44-65 ah range, 90-130 minute RC, etc.
Their physical dimensions are approximate (LxWxH) 9 1/16 x 6 7/8 x 8 7/8 inches (9.0625 x 6.875 x 8.875 inches, 230 x 175 x 225 mm), while their electrical properties depend on the battery design, which is the goal. Uses, chemistry, etc.
Group 75 Batteries
Modern BCI Group 75 batteries are mostly AGM (Absorbent Glass Mat) SLA (Sealed Lead Acid) batteries, designed with increased vibration resistance in mind. It provides high power in more common battery group sizes.
Group 75 Batteries – Dimensions, Features
BCI Group 75 batteries are automotive and light industrial batteries, most of which are designed as very well-started starters or dual-purpose batteries.
For example, BCI Group 75 batteries are commonly used in cars, light trucks, and other vehicles where they are used to start internal combustion engines but are also used to power various loads such as pumps, winches, lights, etc. Dimensions of BCI Group 75 batteries 9 1/16 x 7 1/16 x 7 11/16 inches (230 x 179 x 196 mm).
Know the correct battery size group for your car
You are almost asking what battery group size means. Again! As highlighted earlier, the battery institution length is the battery length so as to suit the unique bodily dimensions, terminal places and the battery kind required for your car.
Determining the battery group size for your car is very easy. These specifications are highlighted in the manufactures vehicle manual. This manual is present when you purchase the car first hand or can be easily retrieved from the web using the car’s make, year and model as the keywords.
Alternatively, the car’s battery group size can be retrieved from the label on the original battery. If you bought the car first hand or the original battery has been retained, there is a label sticker on the battery that states the group number details. If none of the above tricks is working for you, it is always advisable to seek a professional car mechanic who will help you.
What if You Use the Wrong Car Battery size?
It is very important that you use the right battery size for your car. This can be confusing because some groups have the same width and length but you will soon see that they have heights. If you bought the wrong size, the battery does not fit properly in the battery tray or to hold your car battery.
It is also possible that the battery post may make contact with the hood of your car which is metallic. It can be a spark or short in electrical systems. If you are unlucky, it can even set the car on fire.
Choose a battery brand that gives you value for your money
You might be tempted to buy a cheap battery from a backdoor dealer. This might be not only a waste of money but also a time bomb for your precious machine. It is advisable always to use the battery brand recommended by the vehicle manufacturer.
However, in instances where the recommended brand is not available or is too expensive, the alternatives you choose should match the original battery’s specifications.
These requirements are again found on the owner manual of your car. You can purchase your replacement batteries from the official brand dealers or local service stations and tune-up stores. You, however, should be aware of counterfeit products and avoid them at all costs.
How To Choose The Right Battery For Your Car
A battery is an essential item in your car. I can already hear you thinking out loud; why so? A car battery is a saliva to your chewing. Gross, right! No bluffing thou, without the battery, a car’s engine will never come to life.
Despite having good food and healthy teeth, it is practically impossible to eat with any saliva in the mouth. The battery acts as a huge power reserve for your car. Once you insert the ignition key, the engine roars to life, thanks to the electric energy shoveled into your car’s ignition system by the battery.
The battery does not retire after this magnificent performance. Electrically powered accessories such as headlights, wipers, and your favorite stereo system are kept alive with electricity from the battery throughout your ride.
This is made possible through the collaboration of the battery and the alternator. See, the battery holds the life of the party in your car. All these merry functions might overpower the battery.
And you don’t want to imagine a drive without cranking your favorite boys’ band’s latest album nor charging your dying battery. This battery failure calls for a replacement ASAP! However, you need to know what to look out for to conclude that your car needs a new battery. Signs of an ill car battery include:
- Frozen, with bulging sides, battery
- Loose or missing terminal caps.
- A battery that won’t recharge or accepts the charge.
- A cracked battery case.
Getting a car battery replacement for a non-mechanic friend Patricia, I won’t mention you for safety wink, can be quite a hustle. We have, however, broken down the process and made it simple for you. Below is a simple guide on knowing that the battery you are about to purchase is right for your car.
The life expectancy of the battery
The average lifetime of a battery is 5 to 7 years. The life expectancy of a battery mostly goes hand in hand with e battery price. Do not rush to purchase a cheap battery in bis of saving some coins.
However, if you don’t intend to use your vehicle for long, do not buy an extended life battery a sit going to outlive it before you utilize it fully. Therefore understand how long you are going to use your car before purchasing a battery.
High-quality batteries come with sound warranty conditions because the manufacturer is sure that I will serve you well. Reasonable warranty offers will replace your battery in the initial stage of its life.
Thus, you have no worries about when or how you will get the replacement when the battery fails from a natural cause. However revoked, the warranty if the manufacture sees signs of tampering, overcharging, or physical damage in the battery.
Get a battery with the correct power output
Consider the battery’s cold-cranking amps (CCA) and reserve capacity (RC) and whether they match up to our vehicle’s requirements and the recommendations from the manufacturer. These two aspects are vital to the car’s smooth running and powering accessories when the car is off.
Battery Group Size (FAQS)
Can I use a different group size for my battery?
Yes and no. although different batteries can be used interchangeably, it is advisable to use the car manufacturer’s recommended battery. However, if not so, use the battery that has the same aspects as the original one. Other use an original battery and of good quality.
Is the car’s battery covered in the warranty?
Yes. For a car purchased first hand, the batter has a wholesome warranty cover for two years or 24, 000 miles. However, this is way lower than the warranty offered to the whole car of 3 years equivalent to 3 6, 00 years. This is because the battery is a consumable item. However, the warranty stands to be revoked if it shows misuse, tampering, overcharging, and physical damage.
Finally, we found out what does battery group size means. Usually refers to the size of a battery that will be most appropriate with the physical dimensions, terminal location, and type required for your vehicle. The Battery Council International (BCI) gives numbers and letters for the size of each battery group. The size of the group is usually based on the make, model, and type of engine of your car.
Where do you start and how do you determine the right battery for your car? This registration will help you get some helpful tips.