Mechanic reveals why ‘fuzz’ grows on car batteries… fixing it is easy – but leaving it could cost you hundreds

A CAR battery that's covered in 'fuzz' could cost drivers hundreds despite being an easy fix, a mechanic has revealed.

In a recent , Jessie from showed his viewers a common problem he sees when working in his garage.

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Corroded batteries can be a driver's worst nightmare, with battery replacement costing upwards of £200, according to .

Jessie explained that corrosion can be caused by moisture or by the battery acid leaking.

"This client came in for an oil change and we observed that he had a battery that had a bunch of corrosion on it," he said.

"You see all the dampness and wetness that's an indication that battery acid is leaking out of the battery and that's actually what's causing the corrosion in this particular instance," the mechanic said.

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More often than not battery acid leakage is due to "an improper install," Jessie explained.

If the cables aren't properly attached to the battery, the liquid can easily leak whenever the car hits a bump, "or whenever it's charging and gets hot," he added.

To remove the corrosion Jessie did a battery terminal service with "high-powered cleaners" which helped clean the corrosion off and protect the battery.

If your car battery is less than five years old and has corrosion on it, you can clean it off using those "high-powered cleaners" products Jessie used.

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However, corrosion on the battery is a sign that it is on its last legs and it's worthwhile swapping it for a new one, according to

The car's performance will drop significantly when there is corrosion on the battery.

Charging and starting your motor will become more difficult until eventually it becomes a non-start condition, forcing the driver to spend a lot on a new battery.

Depending on the car's size and brand a battery replacement could cost drivers in the UK between, £100 to £400.

If you are not able to obtain the necessary cleaning products to remove the corrosion from your battery there are home methods you can apply.

Add baking soda over the entire area that is affected by the corrosion, then add water, this will cause a reaction which will remove the corrosion, according to .

This home remedy could save you hundreds of pounds and a trip to the mechanic.