7 Dead Car Battery Tricks to Try When Your Car Dies: Guide

Dead Car Battery Tricks

Introduction to the topic

There are some quick fixes you can try if your car won’t start because the battery is dead. Anytime your car’s battery dies, you’ll need a quick fix to get you back on the road.

A car battery can die for any number of reasons at any time, regardless of how new or old the battery is. Consequently, it is important to be familiar with methods for reviving a dead automobile battery.

Now more than ever, car companies are giving their customers advice on how to revive a dead battery.

Here, as a professional auto technician, I will share and demonstrate the best ways for jumpstarting a car with a dead battery.

Exactly what does it mean for a car battery to “die”?

A problem with the car’s battery or charging system may be indicated by the presence of the battery warning light.

The majority of the things that diminish a car battery’s lifespan are within the driver’s control. We’re not talking about the “dead battery” you experience if the car hasn’t been driven in a month or the dome light was left on. Fortunately, most dead automobile batteries may be brought back to life with a jump start, booster pack, or battery charger; but the harm has already been done. Damage to a car battery can build up over time, eventually rendering the battery dead and unable to start the vehicle. In this context, the “death” of a car battery means that it will no longer hold a charge, which is typically due to sulfation.

To put it simply, a car battery consists of lead and lead oxide (Pb and pbo2) plates immersed in an electrolyte fluid of sulfuric acid (H2SO4) in water. Battery acid helps move electrons from the Pb plate to the pbo2 plate during discharge, producing electricity that can power devices like starter motors and lights. The issue with fully depleted automobile battery plates is that they undergo a chemical reaction that makes them more chemically identical, transforming them into lead sulfate (pbso4). ​

Since batteries are typically promptly refilled after being discharged, the electron flow readily forces the opposite chemical reaction, resulting in different Pb and pbo2 plates, leading to so-called “soft” battery sulfation. When a car battery is depleted for extended periods, a chemical reaction called “hard” sulfation takes place, resulting in the precipitation of lead sulfate crystals. The ability of a battery to be charged and discharged is diminished when pbso4 crystals grow because they block off more of the surface area for a chemical reaction. Pbso4 crystal formation spreads, which causes cracks and short circuits within the battery and eventually renders it worthless.

How to Jump Start a Car in the Traditional Ways?

How to Jump Start a Car in the Traditional Ways?

1. Devices that jump start dead batteries

The first is to use a battery jump starter for your car. Lead-acid batteries with jumper cables are as hefty as a standard car battery and were the original kind of Car Battery Jump Starters.

Newer models, however, are smaller and lighter thanks to technological advancements. To complement its primary function of jump-starting a vehicle, today’s jump starters also include the ability to charge mobile devices and inflate tires.

2. Jump-start by hand

A manual jump start is an alternative. If your vehicle is not pointing downhill, you will need assistance from others to push it using this method.

Keep the car in second gear and your foot on the clutch as assistance gets it moving. Then, turn the key in the ignition and release the brake.

3. Getting a jump start from another vehicle

Assuming you have access to jumper cables and a neighboring vehicle with a good battery, you can try this solution. A positive terminal from each battery will be connected using one of the cables.

The negative end of the good battery will be connected to an unpainted metal surface on the vehicle to be jump-started using the second cable.

Turn the key in the good automobile, and give it a minute of the gentle throttle. If the jumper cables helped, try starting the car and taking them off.

What to do if your car battery has died and you need to get it back?

There are a few different ways you can try to get a dead car battery to start your automobile. Read on to find out what they are.

1. Tap the terminals

Without the proper equipment, you won’t be able to clean the battery terminals, but you can try tapping them. The battery connection could be improved by jostling the terminals into new places.

2. Get out of the Car for a few minutes

The most helpful and underappreciated tip for reviving a dead automobile battery is simply waiting it out.

Electrochemical reactions are constantly taking place inside car batteries, powering the vehicle’s electronic components.

Some vehicles cannot be started because the battery has stopped performing electrochemical reactions for unknown reasons.

Leave the automobile for a few minutes, and the battery will resume its electrochemical reactions, allowing the engine to turn over.

However, the one thing that absolutely every motorist does is panic. The first trick you should try when your car’s battery dies is to allow it some time to charge.

If your car battery has died, the first thing I’d recommend doing is getting out of the car and waiting a few minutes before trying any gimmicks.

3. Aspirin can restore a dead battery

You’ll need two aspirin tablets for this trick. After that, remove the battery’s filler caps. The next step is to divide the Aspirin tablets into equal parts and then drop the parts into each individual get your automobile going again, simply replace the filler caps.

The acetylsalicylic acid in the aspirin reacted with the sulfuric acid in the battery, creating the charge. The use of this technique, while convenient, will shorten the life of your car’s battery. Do not try this if you have just purchased a battery; it will damage the battery.

4. Using baking soda to revive a dead battery

Your car battery’s problems could have been caused by corrosive particles. You’ll need a toothbrush, a mixture of three teaspoons of baking soda and one teaspoon of warm water, some petroleum jelly, a dry cloth, and a moist cloth to carry out this procedure. Get a toothbrush and some of the cleaning solution and use it to scrub the corrosive buildup off the surface.

Use a damp towel to wipe away the corrosive particles after they have been softened. Finally, make sure the terminals on your car’s battery are dry. Spread petroleum jelly on the terminals when they have dried completely. Protectionism against corrosive particles will be provided by this.

5. The Epsom salts method

Using Epsom salt (magnesium sulfate) to create an electrolyte solution may help revive your automobile battery if the issue is caused by a low electrolyte level. Read this article to learn how to examine the electrolyte content of your battery. The hydrates in Epsom salt make it a stronger acid, which might shift the chemical balance and provide enough charge to start the engine.

Epsom salt (magnesium sulfate) solution is made by dissolving 1 part Epsom salt (magnesium sulfate) into 3 parts warm, distilled water. One-fourth to one-half of the electrolyte solution should be added to each cell until the plates are completely submerged.

6. Coke or Pepsi in a can

The battery may still have some life in it, but it’s not always easy to pull it out and put it to use.

Corrosion does reduce the performance of older batteries.

We’ll admit, this is an old gimmick, but it still does the trick.

Corrosion on a car battery can be removed with the help of a carbonated beverage. Corrosion of the battery terminals is caused by hydrogen gas released by the acid in your battery. That prevents the battery from delivering power.

The presence of a white, green, or light blue substance on the wires or battery terminals is indicative of this.

Fizzy pop’s carbonic acid can dissolve rust and corrosion without mixing with the battery acid that has leaked. To get your automobile started again, you need to disconnect the battery wires and pour the Coke onto the terminals. Wait a few minutes for it to take effect, then try starting the car again.

7. Use neutral when starting your car

Start your automobile in neutral if it has an automatic transmission. This may sound ridiculous, but if the battery is low, this approach can assist give the engine a kickstart and get it starting.

How to prevent your car battery from getting dead?

Avoiding an issue is preferable to fixing one, and in this context, “replace it” refers to the automobile battery. To resolve the issue of hard sulfation in automotive batteries, prevention is key. Charge the battery as soon as possible after use, check that the charging mechanism in your vehicle is working properly, and keep a fully charged battery on a float charger while it is not in use to prevent sulfation and failure. ​

Watch 3 easy tricks to start a dead car – without jumper cables | Video

People also ask questions and answers related to Dead car battery tricks

How much time is required to Jump Start a Car?

Jump-starting a car usually doesn’t take more than a few minutes under typical conditions. The battery is probably dead, and the automobile needs to be replaced if it won’t start after being hooked into a running car for more than 10 minutes. Get a proper diagnosis before deciding to replace it.

If I want to keep my car’s battery charged, how often should I drive it?

There is no need to crank the engine every day to maintain battery life. In truth, a car’s battery can be depleted through constant starting. If your automobile has been sitting idle for more than a few days, though, you should give it a quick 15-minute spin. Both the automobile’s battery and the car itself benefit from this.

Does the battery die if I leave my car lights on?

The battery will lose some of its charges if you leave your car lights on, but it won’t die immediately. However, if you leave your car’s lights on all night, you risk a less-than-smooth start or a dead battery in the morning.

To what extent can you keep your car’s battery from dying?

Avoid short trips, turn off the lights when you park, drive the car for 15 minutes after letting it sit for a week or longer, inspect the terminals for corrosion, and take the battery out of the car when it won’t be used for a while to save it from dying.

Does aspirin in a battery make it last longer?

Aspirin will react with sulfuric acid to produce acetic acid, which will diminish the battery’s life. A rise in power, but at the expense of the battery’s internals.


It’s frustrating to cope with a dead battery, but there are typically warning indications that indicate when your battery is about to die. On the other hand, we’ve all done it: left the dome light or the headlights on, resulting in a dead battery.

Our batteries age, and eventually they won’t be able to start the car. Things like that do occur. Half the struggle in a crisis like this is simply being ready for it. You can get through this challenge if you know what to do, which you do now.

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