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Your car battery should last about 3 to 5 years…

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

Why is this?

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

Well… That’s what we’ll discuss in this article.

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 tricks to maximize the lifespan of your car’s 12 volt battery.

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

So let’s begin! …

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

Even if you care for 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.

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

Rather, they die early because of poor maintenance and care…that you can do something about.

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

Lead Acid Batteries have three life phases — formatting, peak, and decline.

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

  • Peak is the ideal performance stage, which we attempt to maintain for as long as you can.

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

Batteries in decline can nevertheless be used for quite some time, but must be watched.

Around this time, you may either recondition the battery or keep a close eye on it and try to replace it before a problem arises (like being not able to begin your vehicle for work).

8 Simple Tips To Prolong The Life Of Your Car’s Lead Acid Battery

Tip 1: Do a monthly inspection of the battery terminals to make sure 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 several batteries are replaced because of a lot of corrosive build up.   But often times, this is easily treated by simply pouring a small quantity of Cola or a DIY anti-corrosion glue (one part water to three parts baking soda) within the corroded areas. 

The acid in the Cola or the alkaline properties in the DIY anti-corrosion paste will consume the rust 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 vehicle ignition and driving the vehicle.   When the vehicle is on, the auto alternator generates electricity and charges the vehicle battery after the battery has a voltage drop.   But if the car is not on, and you’re using the car’s electronics, you are just relying on the car battery to power those electronics. 

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

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

Tip 3: Make sure the car battery is safe and has great battery wires.   The battery needs 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 safety risk.   The same could happen when you have bad battery cables (or they’re not connected correctly ).  So check your cables and be sure they have a secure connection as well.

Protecting your car battery from large changes in temperature will help optimize the battery’s lifespan.   To do this you can use a car battery insulating material.   Newer model cars currently have these kits installed typically.  But if your car doesn’t have one, you can easily set up one yourself.   Just make sure it fits your car’s battery compartment.  Generally the companies selling these battery insulation kits will have a form on their website where you can put in your car model and year, and it’ll tell you if your battery will fit their kit — like here (top of page).   These protective battery sleeves are typically made of plastic or an acid resistant, thermal resistant material.   These car battery insulation kits will insulate your battery and guard it while still allowing proper ventilation.

Tip 5: Fully charge your car battery at least once a week (use a car battery charger or shut-off if you have to).   Your car battery drains even when the car is off.  That happens because current is drawn from the battery by car accessories (radio, lights, etc.) or even the car computers.   This is why folks come home from long holidays and locate their car battery dead.  

Car battery chargers (regular or solar) will keep the optimum charge level of your car battery when the car is not being used.   They do this by providing enough electricity for the car accessories and car computer, so they do not continuously draw current from the vehicle battery when the vehicle is off.   As you can imagine, these chargers are extremely useful…especially if you go on a trip or leave your car unused for some time.  They’re also useful if you go on plenty 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 enhance your battery’s life — unless you use a car battery charger or interchange batteries, leaving one at home to fully control.   The most important thing to remember with this tip is…be sure you fully charge your car battery at least once a week since it will greatly increase the life span of your battery.  Do this with a charger, interchanging batteries…or just going on a car ride long enough to recharge the battery.

Tip 6: Assess your car battery’s water level.   Most car batteries indicate if there’s a need for water.   So check the car battery water level indicator regularly and if water is needed, refill the battery with distilled water (and that’s significant, 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 oxygen and hydrogen gases when they’re overcharged.  

  1. It can be volatile.

  2. It also breaks down the composition of the water in the battery — that shortens its lifespan

Tip 8: Check your car’s alternator.   If you’re doing everything we’ve recommended in this guide but your car batteries are dying early, you’ll want to check your vehicle’s alternator (or find a mechanic to check it).   If your alternator is bad it will results in ineffective recharging of your battery and dramatically shorten your battery’s lifespan.