Car Battery Myths Busted

Car Battery Myths

Here are some common myths about batteries.

MYTH 1: I HAVEN’T USED MY CAR MUCH SO MY BATTERY IS FINE

Myth busted. If you haven’t used your car, its battery will still be drained by the alarm and electrical systems. It’s well worth getting your battery checked if your car has not been used much, or only used for short journeys during lockdown.

MYTH 2: DRIVING A SHORT DISTANCE WILL RECHARGE MY BATTERY

This myth is also busted – starting your car puts the highest possible drain on your battery: It takes a lot of power to start a car, so it’s unlikely that a short drive is put enough to recharge the battery sufficiently.

MYTH 3: A BATTERY’s BRAND MAKES NO DIFFERENCE TO ITS PERFORMANCE

Again, busted. Some cheaper non-OE batteries have specifications that are exaggerated and they might lack safety features. So, go with a well-known brand.

MYTH 4: A HEAVIER THE BATTERY IS BETTER

This is actually true. The main component of a battery is lead, and the more lead in the battery, the better it performs. However, some poor quality batteries can contain concrete to mislead buyers!

MYTH 5: PAYING MORE FOR A BATTERY DOES NOT MEAN IT IS BETTER

Another one busted. More expensive batteries have more plates inside and more plates means more energy. So, paying more for a battery does usually mean it will last longer.

MYTH 6: I CAN FIT A CONVENTIONAL BATTERY TO A CAR WITH START-STOP TECHNOLOGY

This is a myth. If your car has start-stop technology, it will have a next-generation lead acid battery because the battery has to crank the engine more often. Some will have an Enhanced Flooded Battery (EFB), and others will have an Absorbed Glass Mat (AGM) battery. These need to be replaced with one of exactly the same spec.

MYTH 7: A BATTERY CAN LAST FOR THE WHOLE LIFETIME OF A CAR

Sorry, a battery is a consumable item, which means it wears with use. You can prolong your battery’s life with careful maintenance but it will need to be replaced eventually.

MYTH 8: BATTERIES DISCHARGE FASTER IN WINTER

Myth busted. The natural discharge rate of batteries is actually higher in summer because of the temperature.

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