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8 Simple Tips & Trick To Extend The Life Of Your Car Battery

But many 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 car’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 offer you 8 easy tips and techniques to maximize the lifespan of your car’s 12 volt battery.

The tips we will teach you in this guide will be simple to do…and anyone will be able to do these (even if you know nothing about cars or car batteries).

So let’s get started! …

First, You Ought to 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 called the battery’s”Calendar Life” and it is completely independent of how many times the battery has been charged or discharged.

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

But most car batteries never make it their complete”Calendar Life”…

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

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

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

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

  • Decline is a slow process, but one that gradually ends in the termination 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 start your car for work).

Tip 1: Do a monthly inspection of the battery terminals to make sure they’re 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 due to too much corrosive build up.   But often times, this can be readily treated by simply pouring a small amount of Cola or a DIY anti-corrosion paste (one part water to three parts baking soda) over the corroded areas. 

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

Tip 2: Do not run any car accessories (lights, radio, or electronics) before turning on the car ignition and driving the vehicle.   When the vehicle is on, the car 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 just relying on the car battery to power those electronics. 

This is damaging to the car battery because car batteries are not meant for this sort of use.

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

Tip 3: Make sure the car battery is secure and has good battery cables.   The battery needs to be secured at all times.  If a battery is jostling around it will be impaired and could short circuit.   This may ruin the battery — and even damage your car whilst creating a safety risk.   The same could happen when you have awful battery cables (or they are not connected properly).  So check your cables and make sure they have a secure connection as well.

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 insulation kit.   Newer model cars currently have these kits installed typically.  But if your car does not have one, you can easily install 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 place in your car model and year, and it’ll tell you if your battery will fit their kit — such as here (top of page).   These protective battery sleeves are usually made of 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 the automobile computers.   This is the reason why people come home from long vacations and locate their car battery dead.  

Car battery chargers (regular or solar) will keep the optimum charge level of your car battery when the vehicle is not being used.   They do it by providing enough electricity for your car accessories and car computer, so that they do not continuously draw current from the vehicle battery when the car is off.   As you can imagine, these chargers are very useful…especially if you go on a trip or leave your car unused for a while.  They’re also useful if you go on plenty of short car trips (like to work and back daily ) and never give your battery a opportunity to fully recharge.  Repeatedly doing this 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 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 using a charger, interchanging batteries…or simply going on a car ride long enough to recharge the battery.

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

Tip 7: Do NOT overcharge your car battery.   Never overcharge your car battery. Lead-acid batteries release hydrogen and oxygen gases when they’re overcharged.   This causes two problems:

  1. It can be volatile.

Tip 8: Check your car’s alternator.   If you’re doing everything we’ve recommended in this guide but your automobile batteries are dying early, you’ll want to check your car’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.