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How long does a car battery last?

Updated on August 30, 2012

The Car Battery Is dead

A car is often the second biggest investment a consumer makes, next to home. And the next thing the consumer asking is how long will a car battery last? This problem arises when your car is stopped in the middle of the road and you found that your car battery is dead. Oh my god! What should I do? Then you search for internet to find out how I can extend my car battery life and how long does it last.

What are the requirements to extend car battery life? The first thing you should know is every battery has its own life span. One day they will die. When someone says my car battery is more than 5 years old and it’s still working perfectly. Then we ask the question how he does that. It’s actually very simple. There’s no rocket science behind it

Experts say that” you should replace your car battery once in three years”. That means a car battery lasts up to 3 years. A car battery life depends on many external factors. Maintaining these factors will also increase your car battery life.

Does this thing last?
Does this thing last?

Keeping It For Last

The first step you should take is kept your car and battery clean. When washing the car, make sure water is not get under the battery. It may lead to rust. Possibly cause an early dead before reach it’s long lasting life. Make sure you don’t drive your car under ideal charge that is specified in the manual.

Maintain proper tyre pressure. You may think what is the relation between tyre pressure and car battery life? You know underinflated tyres mean extra rolling resistance, which means your engine has to work harder to move the vehicle. Your car uses more fuel; more charge and the tyres wear out faster, too.

Usually car batteries masked by insulated jacket to protect it from external conditions that may cause damage to car battery. Lot of chemical reactions are taken place in battery. An exposed car battery to high temperature, affect car battery life. And it will soon die. The temperature may come from inside or out side. Both will affect car battery. Make sure the car battery is properly insulated. The insulation in the car battery helps to prevent temperature arises speedily and affects the car battery. If car battery is more than 3 years old, consider it to be replaced by an excellent one by an expert. When replace the car battery, make sure don’t discard the insulated jacket. If you discard insulated jacket, car battery life will decrease. The manufactures put this insulated jacket for special purposes. Don’t forget to reinstall it.

Maintenance Of Car Battery

Don’t put off a trip to the mechanic. If there’s a problem with the car and you ignore it. Then you can get in to bigger trouble. Provide the technician with as many details as you can about the problem with car battery and the conditions under which it crops up. The more facts you have, the less time the mechanic will waste.

If your car battery is nearly or completely dead next step is replacing it with a new one. Regular maintenance is needed for a long lasting car battery. Read the battery specification in the label of battery. Often you can see in battery label says that highly flammable proceeds with caution. Most of the car batteries are rechargeable. When you first time recharge a battery makes sure it is fully charged. When you buy a new car battery make sure it is defect free. Contact manufacturer if it has any defect. Each battery undergoes an assured strict quality check before it is uniquely packed and shipped out. Extremely important to extend the life of a car battery is don’t use it any non-vehicular application.

Make sure the car battery has no faulty electrical systems. Car batteries will damaged by faulty electrical system. Improper handling also causes damage to car battery. Don’t use the service by unauthorized dealers or auto electricians. 

The car battery should be firmly secured in the cradle. Ensure that the cable clamps are fit tightly and properly on terminals. A loosely held battery vibrates and bounces, causing damage to the container and plates.

Connections must be made in the right polarity. Apply petroleum jelly on the terminals to avoid corrosion.

The regulator charging voltage setting measured across the battery terminals must be maintained at proffered volts.

Excessive voltage than specified would over charge the battery leading to loss of electrolyte and premature failure of battery.

How do I know the time when the battery should be charged? This is very simple. Recharging is needed when the horn is weak or lights are dim. Recharging would also be required when the battery is left idle for more than 2-3 weeks.

To get superior performance and maximum life of battery, it is advised to check the regulator once in every 3 months for recommended output voltage.

Cautions with car battery

Avoid installing a lower Ah rating capacity battery than advised by franchisee, retailer or application chart.

The vent cover at top of battery should not be force opened. Doing so will nullify the warranty if battery.

Keep away from sparks, cigarettes, and open flame. These can cause an explosion.

Avoid metallic contact across the terminals, as this can result in short circuit and sparking.

It is strongly recommended not to use battery additives or dopes.

Follow the maintenance schedule outlined by the car company.

These are the answers to the question how long does a car battery last?


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    • swedal profile image

      swedal 6 years ago from Colorado

      I have found that car batteries typically last until you really need to be somewhere and don't have time to go get a new one.

    • iamalegend profile image

      iamalegend 6 years ago from EARTH

      It's good to see cars without battery problems. Thanks dahoglund

    • dahoglund profile image

      Don A. Hoglund 6 years ago from Wisconsin Rapids

      In the newer cars I have not had much battery problems. I used to have a lot of them.