3 Signs Your Car Battery Needs Replacing

July 25, 2024

Every driver has experienced the dreaded moment when their car refuses to start. Often, a weak or dying battery is the culprit. Replacing a failing car battery ensures reliability, safety and cost-effectiveness by preventing breakdowns, electrical malfunctions and expensive repairs. In this blog, we’ll explore key indicators that suggest your car battery might need replacing.

A Person Is Working On A Car Battery In A Garage — Browns Autobahn In Nambour, QLD

1. Dimming Headlights And Slow Engine Crank

When your car struggles to start and the headlights seem dimmer than usual, it’s often a sign that your battery is losing its charge. Here’s how mechanics assess this issue:

Battery Voltage Test: Mechanics start by measuring the voltage output of your battery. A healthy battery should typically read around 12.6 volts when the car is off. Lower readings often indicate a failing battery.
Visual Inspection: Along with voltage tests, mechanics inspect the battery for any signs of damage or wear that could affect performance.
Battery Load Test: This test simulates the conditions under which the battery would be used during normal operation, ensuring it can handle the load without failing.

2. Frequent Battery Jump Starts Needed

If you frequently jump-start your car, it’s a clear signal that your battery could fail. Mechanics differentiate between battery issues and potential alternator problems by:

Checking the Charging System: This ensures that the alternator, which charges the battery while the engine runs, works correctly.
Battery Examination: Further tests on the battery can confirm whether it retains charge as expected.

3. Battery Age And Corrosion

The lifespan of a car battery can be influenced by several factors, including its age and the presence of corrosion:

Age: Most car batteries are designed to last between 3 to 5 years. If yours is approaching or has surpassed this range, it’s wise to consider a car battery replacement.
Corrosion: Visible signs of corrosion around the battery terminals can lead to poor connections and decreased performance. Mechanics can clean these terminals or suggest a replacement if the battery’s condition warrants it.

Book Your Comprehensive Car Service Today

At Brown’s Autobahn, we understand the importance of a reliable vehicle. Our skilled mechanics in Nambour are adept at diagnosing and resolving battery issues with precision and care, ensuring your car is in top condition. We invite you to get in touch via our contact page or give us a call to book a service. Regular battery checks are a crucial part of vehicle maintenance and we’re here to ensure your journey is smooth and safe every step.