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Your car battery should last about 3 to 5 years…

But lots of men and women find that they have to modify their car battery every 1 to 2 years.

Why is this?

And what can you do to prolong your vehicle’s battery life?

We’ll show you why automobile batteries die early…and what you can do to prevent this from happening.

We’ll also give you 8 simple tips and techniques to maximize the life span of your car’s 12 volt battery.

The tips we’ll teach you in this article will be easy to do…and anyone will have the ability to do these (even if you know nothing about cars or car batteries).

So let’s begin! …

First, You Should Know That Every Car Battery Lifespan Has A Limit (but most people kill their battery well before it’s time)

Even if you take care of your car battery perfectly…it will still die 1 day.

This set lifespan is known as the battery’s”Calendar Life” and it is completely independent of how many times the battery was charged or discharged.

Once a battery reaches the end of its”Calendar Life” it will become unusable.

However, most car batteries never make it their full”Calendar Life”…

Instead, they die early due to poor maintenance and care…which you can do something about.

Lead acid batteries are the oldest, most dependable, and most widely used form of rechargeable battery in the world.

  • Formatting is when the battery is new and has to be used lightly.

  • Peak is the perfect performance phase, which we attempt to keep for as long as possible.

  • Decline is a slow process, but one that slowly ends in the conclusion of the battery.

Batteries in decline can still be used for quite some time, but have to be watched.

Around this time, you may either recondition the battery or keep a close eye on it and try to replace it until a problem arises (like being unable to begin your car for work).

Tip 1: Do a monthly inspection of the battery terminals to be certain they are clean and rust free.   One of the first problems most people have with their car battery is the build-up of rust around the terminals.   Corrosion destroys the connection between the battery and the vehicle and many batteries are replaced due to a lot of corrosive build up.   But often times, this can be easily treated simply by pouring a small quantity of Cola or a DIY anti-corrosion glue (one part water to three parts baking soda) over the corroded areas. 

The acidity in the Cola or the alkaline properties at the DIY anti-corrosion paste will consume the corrosion away.   After the rust is gone, use a clean damp rag or sponge to clean up the remaining residue and moisture.  Make certain to let it dry, then rub some petroleum jelly on the terminals to prevent future corrosion.

Tip 2: Do not run any car accessories (radio, lights, or electronics) before turning to the car ignition and driving the vehicle.   When the car is on, the auto alternator generates electricity and charges the car battery after the battery has a voltage drop.   But if the car is not on, and you are using the car’s electronics, you are simply relying on the car battery to power those electronic equipment. 

This is damaging to the car battery because automobile batteries aren’t meant for this sort of use.

Instead, car batteries are supposed to offer a sudden burst of power for ignition.  They are not made to provide prolonged power for electronics and other devices (that is what a deep cycle lead acid battery could be for).   Using your car battery for a battery that powers electronics, instead of a battery that just provides you a burst of electricity for ignition, will damage the battery and significantly shorten it’s lifespan if it’s repeatedly utilized in this fashion.   So avoid operating any automobile accessories or electronics while the car is off.

Tip 3: Make sure the car battery is secure and has great battery wires.   The battery has to be secured at all times.  If a battery is jostling around it’ll be impaired and might short circuit.   This may ruin the battery and even damage your car whilst creating a security risk.   The same could happen when you have awful battery cables (or they’re not connected correctly ).  So check your cables and be sure they have a secure connection also.

Protecting your vehicle battery from big changes in temperature will help optimize the battery’s lifespan.   To do this you can use a car battery insulating material.   Newer model cars already have these kits installed typically.  But if your car doesn’t have one, you can easily set up one yourself.   Just be certain it fits your car’s battery compartment.  Generally the companies selling these battery insulation kits will have a form on their site where you can put in your car model and year, and it will tell you if your battery will match their kit — such as here (top of page).   These protective battery sleeves are usually made from plastic or an acid resistant, thermal resistant material.   These automobile battery insulation kits will insulate your battery and protect it while still allowing appropriate ventilation.

Tip 5: Fully control your car battery at least once a week (use a car battery charger or interchange batteries if you have to).   Your car battery drains even when the vehicle is off.  This happens because current is drawn from the battery by car accessories (radio, lights, etc.) or even the automobile computers.   This is the reason why folks come home from long vacations and find their car battery dead.   But to avoid this, you can use either a car battery charger or a solar battery charger. 

Car battery chargers (regular or solar) will maintain the optimum charge level of your car battery when the car is not in use.   They do this by providing enough electricity for the car accessories and car computer, so they don’t always draw current from the vehicle battery when the car is off.   They’re also useful if you go on a lot of short car trips (like to work and back each day) and never give your battery a chance to fully recharge.  Repeatedly doing so will dramatically shorten your battery’s life — unless you use a car battery charger or interchange batteries, leaving one at home to fully control.   The main thing to remember with this suggestion is…make sure you fully charge your car battery at least once a week because it’ll greatly increase the life span of your battery.  Do this with a charger, interchanging batteries…or simply going on a car ride long enough to recharge the battery.

Tip 6: Check your vehicle battery’s water level.   Most car batteries indicate if there is a need for water.   So check the vehicle battery water level indicator regularly and if water is needed, refill the battery with distilled water (and that’s important, ONLY use distilled water to refill your vehicle battery).

Tip 7: Do NOT overcharge your car battery.   Never overcharge your car battery. Lead-acid batteries release hydrogen and oxygen gases when they are overcharged.  

  1. It can be explosive.

Tip 8: Assess your vehicle’s alternator.   If you are doing everything we have recommended in this guide but your car batteries are still dying early, you’ll want to check your car’s alternator (or find a mechanic to check it).