How Long Do Car Batteries Last?

Batteries are every vehicle’s heart. They provide the requisite power that keeps the engine running smoothly. 

As much as you would want them to last for a lifetime, they have a finite life, and you might have to replace them at some point.

This guide will let you know how long car batteries last, how much are car batteries, why car batteries die, and much more. So, keep reading.

How Do Car Batteries Work?

You put the batteries on the rear side of your television remote, and the remote start working, right?

Well, car batteries in cold weather function differently. Your vehicle’s battery seems like a tiny plastic box with a few bolts on the top.

It provides short flurries of energy that supply power to the automobile’s different functions, such as engine, radio, lights, etc.

When you turn the vehicle key in the ignition or push the button, chemicals inside the used car batteries function together to generate an electric charge.

A big enough charge creates adequate current and lets it travel from the bolts into the engine, starting your automobile.

How Long Do Car Batteries Last?

Generally, a battery lasts for 3 to 5 years. This lifecycle remains true whether you keep your vehicle in the garage most of the time or drive it daily.

If you use it beyond five years, it could fail without any warning. That’s why most manufacturers recommend replacing it every five years.

If your battery is nearing four years old, you should have it examined. Having different car battery types inspected can give you an idea of how much life could be left in them.

Here Is The Average Life Of Different Car Batteries:

  • NiMH: 8 years
  • Lead-acid: 3-5 years
  • Lithium-ion batteries: 10-20 years
  • Gel and AGM: 7 years

Why Do Car Batteries Die?

These are the common reasons why a sell junk battery dies.

  • Slow recharging/discharging
  • Rapid discharging or overcharging
  • Structural failure

7 Common Symptoms That Your Battery Could Fail Soon

These are the signs that indicate your battery could fail soon.

  • Engine starts slowly
  • The heated seats, radio, and lights are not working the way they should
  • Check engine light is on
  • The case is distorted
  • The battery connections are corroded
  • There is a displeasing smell
  • It is an old battery

What Is The Cost Of a Car Battery?

Depending on the size, quality, and power, the cost for a car battery replacement can be anywhere between $45 and $250.

Your local automotive service center or dealership can inspect your existing battery and replace it with a new one.

How to Prolong the Battery’s Life?

If you want to increase your battery’s life, do these things.

  • Drive your automobile daily to keep the battery charged.
  • Service your vehicle frequently.
  • Eliminate corrosion from the terminals.
  • Don’t remove the heat shield from the battery.


Used car batteries do not last forever, and you will need to replace them at some point.

However, if you look after it, you can safely utilize it for seven to eight years.

If you want to sell junk batteries or auto parts in London, Ontario, you can rely on Car For Cash London.

We purchase damaged or unserviceable vehicles that just consume space in your garage at very good rates.

LEARN MORE: If you want to know about Fob battery replacement, check out for tips.