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Car batteries have carked it across Adelaide during this week’s cold snap – with RAA Road Service recording its busiest Monday since 2019.
RAA patrols replaced 333 car batteries in metropolitan Adelaide on Monday as the morning temperatures plummeted to near freezing – more than double the daily average of 152 batteries sold.
Temperature extremes affect car battery chemistry, reducing their output and often causing marginal batteries to fail.
The cold weather can also make engine oil thicker, meaning more power is needed to start the vehicle.
RAA mobility expert Mark Borlace said older batteries would be more vulnerable during this week’s cold weather.
“Temperature extremes like the cold mornings we’ve had this week often lead to a spike in battery failures,” Mr Borlace said.
“The fact this cold snap has come after our long, warm summer would also have made the impact more significant.
“Many batteries may seem fine in warm weather but if they’re a bit older or weaker, they might not be strong enough to cope with a big drop in temperature, where the chemical reactions slow down significantly.
“If you’ve got a car with an older battery sitting in the garage this week, check that it’s still starting before you need to go somewhere urgently.
“Most batteries will last about three years so if you’ve had yours a while and it’s starting to sound sluggish, consider replacing it.
“Double-check your RAA Road Service membership is up-to-date so we can help you if needed.”
The suburbs with the most failed batteries on Monday were Parafield Gardens, Morphett Vale, Prospect and Happy Valley.
RAA members can book a car battery replacement by calling 13 11 11, via the RAA app or online.