How Long Does A Car Battery Last?

One of the main concerns that most car owners have when it comes to car battery lifetime is how long does a car battery last. Believe it or not, most car battery manufactures like to understate the lifespan of their battery so if a battery comes with a 3 year warranty, you can expect it to last for 5 years if you take good care of it.

Similarly, if you use and drive your car a lot, the battery life of your car will wear out sooner. The best way to tell whether it's time to replace your car battery is when you're starting to have a little trouble starting your car. In other words, when your engine takes longer to start up or the engine crank slower than usual, you can be certain that it is best that you replace the battery as soon as possible.

How To Make A Car Battery Last Longer

Regardless, there are other factors that can influence the life span of a car battery. For example, the stronger the cranking power of a battery, the more likely it is for it to last longer. Another important factor that can influence the life span of a battery is the climate or temperature in which it is used in. Extreme weather conditions are bad for the battery as they place a lot of stress on the battery.

Another not so obvious yet important factor that can determine how long your car battery will last is your vehicle's charging system. In order for your battery to work efficiently, your vehicle must have an efficient charging and starting system. Inefficient and malfunctioned charging system which undercharge or overcharge the battery can cause permanent damages to the battery. This is usually the result of a faulty alternator or voltage regulator.

You can also extend your car battery lifetime by performing some simple maintenance such as treating it when necessary and checking the water level within the battery at least once a month. For a modern sealed battery which is supposed to be maintenance free, as long as the clear circular window shows the color green, you can be certain that the level and electrolyte balance is good.