Schedule Your Appointment

Car Battery Troubleshooting: Warning Signs and Solutions

checking car engine

A car battery is a crucial component of your vehicle, responsible for providing the power needed to start the engine and power the electrical components. However, like any other part of your car, the battery is also subject to wear and tear, and you may eventually experience issues with it. 

In this post, we will discuss the life expectancy of a car battery, the symptoms of a dying battery, how a good battery can get discharged, and how to solve battery problems with the help of car care doctors.

Life Expectancy of a Car Battery

The life expectancy of a car battery depends on several factors, including its type, usage, climate, and maintenance. On average, a car battery can last between three to five years. However, this period can be shorter or longer depending on various factors.

  • Type: Traditional lead-acid batteries usually last between three to five years, while more advanced absorbent glass mat (AGM) batteries can last beyond five years with proper care.
  • Usage: Frequent short trips, where the battery does not have enough time to recharge fully, can shorten a battery’s lifespan. Similarly, using many electronic accessories without giving the alternator time to recharge the battery can also contribute to a shorter life.
  • Climate: Extreme temperatures, both hot and cold, can reduce a battery’s lifespan. High temperatures can cause the battery’s electrolyte to evaporate, while low temperatures can slow down the chemical reactions within the battery.
  • Maintenance: Proper maintenance, such as cleaning the terminals and topping off the electrolyte, can prolong a battery’s life.

Signs of a Dying Battery

It is essential to recognize the symptoms of a dying battery to avoid getting stranded with a dead battery. Here are some common signs that your car battery is reaching the end of its life:

  • Slow Engine Crank: If your engine takes longer than usual to start, it could indicate that your battery is losing power.
  • Dimming headlights: Flickering or dimming headlights when the engine is idling may indicate a weak battery.
  • Frequent Need for Jump-Starts: If you consistently need to jump-start your car, your battery may be on its way out.
  • Swollen Battery Case: A swollen battery case is a sign that the battery has been exposed to excessive heat, which can damage its internal components.
  • Check Engine or Battery Warning Light: Your car’s dashboard warning lights may indicate battery problems. If the check engine or battery light comes on, it’s time to have your battery checked.

Situations Where a Good Battery Gets Discharged

Even a healthy battery can get discharged under certain circumstances. Some common reasons include:

  • Parasitic Drain: Some electronic devices in your car continue to draw power even when the engine is off. If your car remains unused for an extended period, these devices can drain the battery.
  • Alternator Issues: The alternator is responsible for recharging the battery while the engine is running. If the alternator is not working efficiently, the battery may not recharge properly and eventually get discharged.
  • Human Error: Leaving the headlights, interior lights, or other accessories on when the car is not running can quickly drain the battery.
  • Extreme Temperatures: As mentioned earlier, extreme temperatures can affect a battery’s performance and may cause it to discharge faster.

How to Fix the Problem

If you suspect your car battery is dying or has been discharged, here are some steps to diagnose and solve the problem:

  • Inspect the Battery: Check for any visible signs of damage or wear, such as a swollen case or corroded terminals. Clean the terminals if necessary.
  • Test the Battery: Use a voltmeter or a battery tester to check the battery’s voltage. A fully charged battery should read around 12.6 volts. If the voltage is below 12.4 volts, the battery may need to be charged or replaced.
  • Charge the Battery: If the battery is discharged but not damaged, you can try charging it using a battery charger. Ensure you follow the manufacturer’s instructions for safe charging.
  • Check the Alternator: If your battery continues to discharge, there might be an issue with the alternator. Have your alternator inspected by a professional.
  • Replace the Battery: If your battery is reaching the end of its life expectancy, damaged, or showing symptoms of failure, it may be time for a car battery replacement


Car battery problems can be frustrating, but being aware can help you stay ahead of potential issues. By performing regular maintenance and addressing any problems with the help of a car and engine mechanic as they arise, you can prolong the life of your battery and keep your car running smoothly.

Looking for a reliable car battery replacement in West Los Angeles and Culver City? Look no further than Automed Car Care! Our expert mechanics specialize in American and Japanese vehicles, and we offer a full range of services, from brake repairs to oil changes and battery repairs. 

With three convenient locations in the Los Angeles area, we’re always close by when you need us. Schedule your appointment today and experience the Automed Car Care difference!

Schedule Auto Service

Your Automotive Repair & Maintenance Service Specialist

***Please note that the date and time you requested may not be available. We will contact you to confirm your actual appointment details.