You can ask for same group number while shopping for your battery to get exact battery for your vehicle’s requirement. How to determine Battery Group Size? First way to determine battery group size is to look for specifications in the vehicle manual.
Once you note your vehicle’s battery details, compare it with group number charts by BCI. You will get exact group number of battery. You can ask for same group number while shopping for your battery to get exact battery for your vehicle’s requirement.
The group size refers to the physical dimensions of the battery (height, width, and length) and the terminal placement. This is crucial because a battery that doesn’t fit properly in your vehicle’s battery tray can cause serious problems, such as damage to the battery or poor electrical contact.
The second way is to look directly on your battery (See Figure below). If it is original equipment, you can easily find the Group Number label on top or sides of the battery. Apart from the group number, you can also find other valuable information. If you are still confused about your group size number, you can always seek the advice of an expert.
The Battery Council International (BCI) sets the standards and specifications for North American automotive and marine battery manufacturers, which are commonly termed as Group Number. BCI have defined Group Numbers to categorize differences between various batteries.
Group Size 35: Typically used in newer domestic cars. To find the correct group size for your vehicle, check your car’s manual or consult a parts store database. Using the wrong group size can lead to improper fit and connections, even if the battery’s other specifications are correct. 2. Cold Cranking Amps (CCA)