Conducting a Car Battery Check from the Comfort of Your Home
- Load Test: Performing a load test on your car battery is simpler than it sounds. Here’s how:
- Turn on your headlights without starting the engine.
- Keep them in the “ON” position for 10-15 minutes.
- After this time, start your car.
- Observe the brightness of your headlights.
If you notice a significant dimming of the headlights as the engine turns over, your battery may not pass the load test. A reliable battery should hold sufficient charge to power the headlights for the designated time and still start the engine. If your battery struggles here, it’s advisable to replace it before encountering problems on the road.
- Corrosion Check: Battery corrosion can be a sign of power-related issues. Over time, corrosion caused by the release of hydrogen gas from the battery’s acid can hinder the transfer of power through the terminals. This forces the battery to work harder, potentially shortening its lifespan.
You can clean battery terminals carefully using household items like baking soda and an old toothbrush. However, severe and long-term corrosion damage may be irreversible, necessitating a replacement.
- Listening for Clicks: A dead car battery often comes with the eerie soundtrack of rapid clicking. When you turn the key in the ignition, a healthy battery should respond with a robust engine start. If you hear “click-click-click,” it’s a strong indication that your battery is likely dead. A single click could signify a faulty starter.
While jump-starting may temporarily revive the vehicle, it’s advisable to consult an experienced technician for a comprehensive inspection.
- Virtual Battery Tester: The internet offers a wealth of resources, including virtual battery testers like the one on Firestone Complete Auto Care’s website. Here’s how to use it:
- Visit our virtual battery tester.
- Enter your car’s details, including year, make, model, engine type, and your zip code.
- Click the red “Find Out Now” button.
The virtual battery tester provides an estimate of your battery’s expected lifespan. Keep in mind that external factors such as corrosion or weather conditions can influence your battery’s longevity.