How Cold Weather Can Impact Your Car Battery

Cold weather can have a significant impact on your car battery. In fact, when the temperature drops below freezing, your battery can lose up to 60% of its power. This can make it difficult to start your car in the morning, and it can also lead to other problems, such as dim headlights & dead accessories

How Cold Weather Affects Car Batteries

There are a few reasons why cold weather can impact your car battery. First, cold temperatures slow down the chemical reactions that take place inside the battery. This means that the battery has to work harder to produce the power needed to start your car.

Second, cold temperatures can thicken the oil in your engine. This makes it harder for the engine to turn over, which puts more strain on the battery

Finally, cold weather can cause condensation to form inside the battery. This can lead to corrosion, which can damage the battery & shorten its lifespan.

How to Protect Your Car Battery from Cold Weather

There are a few things you can do to protect your car battery from cold weather. First, make sure your battery is in good condition. If it’s more than three years old, it’s a good idea to have it tested.

Second, keep your battery clean & free of corrosion. You can do this by using a battery cleaner & a soft brush.

Third, avoid letting your battery run down. If you know you’re going to be driving in cold weather, try to keep your battery charged.

Fourth, if you live in an area with extremely cold weather, you may want to consider buying a battery warmer. This is a device that heats up your battery before you start your car, which can help to improve its performance


Q: What are the signs that my car battery needs to be replaced?

A: There are a few signs that your car battery needs to be replaced. These include:

  • Your car has difficulty starting in the morning.
  • Your headlights are dim.
  • Your car’s accessories, such as the radio or power windows, don’t work properly.
  • Your battery leaks.

Q: Where can I buy a new car battery?

A: You can buy a new car battery at most auto parts stores. You can also buy them online.

Q: How much does a new car battery cost?

A: The cost of a new car battery varies depending on the make & model of your car. However, you can expect to pay anywhere from R1 200 to R6 000 for a new battery.


Cold weather can have a significant impact on your car battery. By following the tips in this blog, you can help to protect your battery and keep it running in good condition for years to come.

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