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

Your car battery should last about 3 to 5 years…

But many people find that they need to modify their car battery every 1 to 2 years.

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

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

We’ll also give you 8 easy 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 easy to do…and anybody will be able 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 one day.

This set lifespan is called the battery’s”Calendar Life” and it is completely independent of how often the battery has been charged or discharged.

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

Rather, they die early due to poor maintenance and maintenance…that you can do something about.

A Little Background About Lead Acid Batteries Before Our 8 Battery Tips and Tricks…

Lead acid batteries are the oldest, most reliable, and most widely used type 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 needs to be used gently.

  • Peak is the ideal performance stage, 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 a while, but have to be watched.

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

Tip 1: Do a monthly inspection of the battery terminals to be certain they’re clean and corrosion free.   One of the initial problems most people have with their car battery is the build-up of corrosion around the terminals.   Corrosion destroys the connection between the battery and the car and many batteries are replaced because of too much corrosive build up.   But often times, this is 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 acidity in the Cola or the alkaline properties at the DIY anti-corrosion paste will consume the corrosion away.   After the corrosion is eliminated, use a clean damp rag or sponge to clean up the remaining residue and moisture.  Be sure to let it dry, then rub some petroleum jelly on the terminals to prevent future corrosion.

Tip 2: Don’t run any car accessories (radio, lights, or electronics) before turning on the car ignition and driving the car.   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 isn’t on, and you’re using the car’s electronics, you’re simply relying on the car battery to power those electronics. 

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

Rather, car batteries are meant to offer a sudden burst of electricity for ignition.  They’re 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 for a battery that powers electronics, rather than 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 vehicle is off.

Tip 3: Make sure the car battery is safe 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 might short circuit.   This will ruin the battery — and even damage your car whilst creating a security risk.   The same could happen if you have awful battery cables (or they are not connected correctly ).  So check your cables and make sure they have a secure connection as well.

Protecting your car 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 already have these kits installed typically.  But if your car doesn’t 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 will tell you if your battery will fit their kit — such as here (top of page).   These protective battery sleeves are typically made from 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 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 (lights, radio, etc.) or the car computers.   This is why people come home from long holidays and locate their car battery dead.  

Car battery chargers (solar or regular ) will keep the optimum charge level of your car battery when the car is not being used.   They do it by providing enough power for the car accessories and car computer, so that they don’t continuously draw current from the car battery when the vehicle is off.   They’re also helpful if you go on a lot 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 shorten your battery’s life — unless you use a car battery charger or interchange batteries, leaving you 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 since it will 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: Assess your car battery’s water level.   Most car batteries indicate whether there is a need for water.   So check the car battery water level indicator frequently and when water is required, refill the battery with distilled water (and that’s significant, ONLY use distilled water to refill your vehicle battery).

Lead-acid batteries release oxygen and hydrogen gases when they are overcharged.  

  1. It can be explosive.

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