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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?

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

The tips we will teach you in this guide will be easy 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 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 known as the battery’s”Calendar Life” and it is completely independent of how often the battery was charged or discharged.

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

Rather, they die early because of poor maintenance and care…which 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 has to be used lightly.

  • Peak is the ideal performance stage, which we attempt to keep 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 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 unable to start your car for work).

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

Tip 1: Do a monthly review of the battery terminals to be certain 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 due to a lot of corrosive build up.   But often times, this can be easily treated by simply pouring a small quantity of Cola or a DIY anti-corrosion glue (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 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: Do not run any car accessories (lights, radio, or electronics) before turning to the car ignition and driving the vehicle.   When the car is on, the auto 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 simply relying on the car battery to power those electronic equipment. 

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

Instead, car batteries are meant to offer a sudden burst of power 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 as a battery which powers electronics, rather than a battery that just gives you a burst of electricity for ignition, will damage the battery and significantly shorten it’s lifespan if it’s repeatedly used 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 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 while creating a safety risk.   The same could happen if you have awful battery cables (or they’re not connected properly).  So check your cables and be 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 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 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 site where you can put 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 usually made of plastic or an acid resistant, thermal resistant material.   These automobile 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 shut-off if you have to).   Your car battery drains even when the vehicle is off.  That happens because current is drawn from the battery by car accessories (lights, radio, etc.) or the automobile computers.   This is 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 this by providing enough electricity for your car accessories and car computer, so that they do not always draw current from the vehicle battery when the vehicle is off.   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 so can dramatically enhance your battery’s life — unless you use a car battery charger or interchange batteries, leaving you 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 because it will 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: Check your car battery’s water level.   Most car batteries indicate if there is a need for water.   So check the car battery water level indicator regularly and when water is required, refill the battery with distilled water (and that is significant, ONLY use distilled water to refill your vehicle battery).

Tip 7: Do NOT overcharge your car battery.   Lead-acid batteries release hydrogen and oxygen gases when they are overcharged.  

  1. It can be explosive.

Tip 8: Assess your vehicle’s alternator.   If you are doing everything we’ve recommended in this article but your automobile batteries are dying early, you’ll want to look at your vehicle’s alternator (or find a mechanic to check it).