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Why Does My Car Battery Keep Dying? Keep Reading to Find Out

100001703008 • October 9, 2017
Two Woman Checking Car Battery — Ridgehaven, SA — Modbury Battery Service Pty Ltd

There are many mechanical and electrical components that are crucial to keeping your car running. One of those key components, and an underrated one, is your car battery. A functional battery is extremely important equipment in order for you to keep your car operational. Without it you could never ever start your vehicle. Its primary function is to provide the electrical power necessary to start the vehicle. Your car battery also provides power for other components such as lights, horn, wipers and climate control system.


When a battery gets old (3-4 years) it can eventually start to wear out and need replacement but when your car battery keeps dying over and over again, there may be an underlying problem and something else causing it to die so quickly. You need to deal with it before you end up stranded somewhere resulting in the need to book roadside assistance or emergency battery replacement.

Common Causes of Battery Failure

  • Corrosion or damage to the positive and negative terminals: corroded battery connections can prevent the charging system from topping off your battery when you are driving. Corrosion can also cause broken internal connection. Loose battery connections can also cause problems. You can prolong the life of your car battery by removing corrosion from the battery terminals.
  •  Low electrolyte (fluid) level: Distilled water in your car battery, also known as electrolyte may leak, evaporate, or otherwise be lost over time.This can lead to battery failure if electrolyte is not added to the battery. Early stages of water loss are hard to detect, and eventually the battery capacity drops.
  • Extremely hot or cold temperatures: Hot or cold weather magnifies other underlying issues in a car. Even though extreme weather conditions would not make a new battery go flat, but a weak or old battery may die in extremely hot or cold weather conditions.
  • Faulty Charging System: In order for your car battery to recharge, your vehicle’s alternator must provide it with energy. If there is something wrong with the system, your car battery could be dying too soon.Loose or stretched belts and worn tensioners can prevent an alternator from working.
  • Sulfation after a long period of disuse in a low- or no-charge state.

Need Your Adelaide Car Battery Replaced?

The most common form of car breakdowns is a flat battery and dealing with these problems in a timely manner can prolong the life of your battery. At Modbury Battery Adelaide we provide the extensive range of batteries at low prices and with excellent services. We offer:

  • Car Batteries
  • Tractor Batteries
  • Caravan Batteries
  • Boast Batteries
  • Mobility Vehicle Batteries
  • 4*4 Batteries
  • Golf Buggy Batteries
  • Ride-on Mover Batteries
  • Fork Lift Batteries
  • Deep Cycle Battery
  • General Car Servicing Batteries
  • Organic Car detailing and Cleaning Batteries
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