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

But lots of men and women 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 vehicle’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 easy tips and tricks to maximize the life span of your car’s 12 volt battery.

The tips we will teach you in this article 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 begin! …

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

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

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

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

Lead acid batteries are the oldest, 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 ideal performance phase, which we attempt to maintain for as long as possible.

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

Batteries in decline can still be used for quite a while, 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 not able to start your vehicle for work).

Tip 1: Do a monthly inspection of the battery terminals to make sure they are clean and rust free.   One of the initial 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 car and many batteries are replaced because of too much corrosive build up.   But often times, this is readily treated simply by 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.   Make certain to allow it to dry, then rub some petroleum jelly on the terminals to prevent future corrosion.

Tip 2: Don’t run any car accessories (lights, radio, or electronics) before turning on the vehicle ignition and driving the car.   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 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 are not meant for this sort of use.

Instead, car batteries are supposed to offer a sudden burst of electricity for ignition.  They’re not made to offer 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 which 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 vehicle is off.

Tip 3: Make sure the car battery is secure and has great 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 damage your car while creating a safety risk.   The same could happen when you have bad battery cables (or they are not connected properly).  So check your cables and be sure they have a secure connection as well.

Protecting your car battery from big changes in temperature will help maximize 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 matches your car’s battery compartment.  Generally the companies selling these battery insulation kits will have a form on their site 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 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 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 car computers.   This is the reason why people come home from long holidays and find 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 in use.   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 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 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…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 using a charger, interchanging batteries…or just going on a car ride long enough to recharge the battery.

Tip 6: Check your car battery’s water level.   Most car batteries indicate whether there is a demand 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 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 oxygen and hydrogen gases when they are 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: Assess your car’s alternator.   If you’re doing everything we’ve recommended in this article but your automobile batteries are still dying early, you’ll want to look at 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.