Car Battery Sizes Guide

A fitted car battery.

Your car battery is the driving force behind your vehicle. The battery works to power up the engine and ignites the fuel to start your vehicle. It also gives electrical power to your lights, indicators, windscreen wipes and windows along with many other features that all uses electricity from your vehicles battery. A car battery has an average life span of three to five years; therefore, it is important to look out for any noticeable signs that your battery is starting to fail during this period.

In the long run choosing the right car battery will be very beneficial to ensure the smooth running of your vehicle. It is important to know that there are many things to consider when buying a car battery. You need to make sure that you choose the correct size and power output that is suitable for your car to prevent any damage to your vehicles components.

There are various factors that need to be considered when choosing your battery. Along with the battery size you must also pay attention to:

  • The location of the terminals
  • The location of the positive terminal
  • The type of the terminal (standard post, Japanese post, side terminal, or square bolt-through)
  • The number of cells
  • The voltage
  • The cold cranking amperage (CCA)
  • The Amp/hour rating

Choosing the wrong battery for your car can be dangerous or can damage your vehicle. Therefore, it is important to seek advice from an expect if you are unsure or need more information.

Battery group sizes are numbers and letters that have been assigned to the battery to represent the ‘group size’ that the battery belongs too.  This incorporates the make, model and engine type of the vehicle that the battery is fitted to. The battery must fit tightly into the battery tray slot that in can’t manoeuvre or re-position whilst driving.

Just like when buying anything else, it pays to shop around to make sure you are getting the best deal as prices can fluctuate between suppliers.

The online battery selector can help you assist you to finding the correct size battery. Amp hour and cold cranking amp ratings are basics, the higher the specification of battery the more you will expect to pay for it but, the better it will perform.

When buying a battery in store this gives you’re the opportunity to inspect it to make sure that it is in working order and undamaged. It is advised to buy a battery that is no older than six months, as it will perform better and last longer. The date of manufacturing is stated on the battery, but if you are unsure seek assistance from a store employer.

Always make sure that you are certain that you have the correct battery to fit your vehicle before buying as they can be expensive. Choosing the perfect battery for your car will ensure a long-lasting battery that performs highly in your vehicle for years to come.

We hope this has given you all the information you need regarding the different car battery sizes available. To get a new battery, simple enter your vehicles registration, make and model at the RAC Shop to be presented with the batteries that are most suitable for your driving style and electrical components.

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