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

But lots of people find that they have to change 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 offer you 8 easy tips and techniques to maximize the life span 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 perform these (even if you know nothing about cars or car batteries).

So let’s begin! …

First, You Should Know That Every Car Battery’s Lifespan Has A Limit (but 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 many times the battery was charged or discharged.

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

Instead, they die early because of poor maintenance and maintenance…that 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 needs to be used gently.

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

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

Batteries in decline can nevertheless 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 not able to begin your vehicle for work).

Tip 1: Do a monthly inspection of the battery terminals to make sure they’re clean and rust 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 easily treated by simply pouring a small quantity 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 at the DIY anti-corrosion paste will eat the corrosion away.  

Tip 2: Don’t run any car accessories (radio, lights, or electronics) before turning on the vehicle ignition and driving the vehicle.   When the car is on, the car alternator generates electricity and charges the vehicle battery after the battery has a voltage drop.   But if the car isn’t 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 aren’t meant for this type of use.

Instead, car batteries are supposed to offer a sudden burst of electricity for ignition.  They’re not made to provide prolonged power for electronics and other devices (that’s what a deep cycle lead acid battery could be for).   Using your car battery as 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 car 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’ll be impaired and might short circuit.   This will ruin the battery and even cause damage to your car while creating a safety risk.   The same could happen if 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.

Tip 4: Insulate your car battery from extreme changes in temperature.  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 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 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 typically made from plastic or an acid resistant, thermal resistant material.   These automobile battery insulation kits will insulate your battery and guard it while still allowing appropriate ventilation.

Tip 5: Fully control 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 the reason why people come home from long vacations and find 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 your car accessories and car computer, so they do not continuously draw current from the vehicle battery when the car is off.   They’re also helpful 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 can 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…be 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 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 whether there is a need for water.   So check the vehicle battery water level indicator frequently and when water is needed, refill the battery with distilled water (and that is significant, ONLY use distilled water to refill 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.

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

Tip 8: Assess your car’s alternator.   If you’re doing everything we’ve recommended in this guide but your car batteries are still dying early, you will want to check your car’s alternator (or get 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.