No, the battery cannot be too dead that it cannot be jump started. A dead battery can be jump started, but there are some guidelines that have to be followed to jump start a dead battery. Often active batteries from other cars act as a best car jump starter. In these articles, I will discuss those guidelines that have to be followed to jump start a dead battery.


The first thing that a person has to do is check whether the battery is completely dead or not. This is important as boosting a working battery can damage it permanently.

The person should carry jumper cables as without the cables boosting is not possible. To jump start a dead battery it has to be boosted with another power source or a jump starter. So the person has to find another power source, generally, in this situation, a person asks help from other drivers to lend their battery for some time.

lend a battery for some time

So after getting another car to help, the person should locate the batteries from both the cars. If the person is unsure, then he or she can take the help of the user manual. The battery is generally located under the front hood of the car, but in some cars, it is located under the back hood.

Before connecting jumper cables, the owner must be sure that there should be no leaks. Hydrogen gas is emitted when the battery loses its fluids, and it can be very dangerous for the person. The hydrogen gas is inflammable, and it can cause a fire or even a huge explosion. So if there are any leaks, it is strictly advised to the owner not to jump start the battery. The owner should call the professionals for proper service. The owner should also keep in mind that while jump starting the battery, no part of the car should be in contact with the jumper cables.

It is also recommended to the person to use a blanket and gloves before boosting the batteries for extra protection if anything goes wrong.

With all the precautions done, it is time to attach the jumper cables to the batteries, and it should be taken care that the clasps of the jumper cables do not touch each other. The car should also be turned off.

After both batteries are connected through the jumper cables. The owner should turn on the working car. The working car should rev the engine for one or two minutes.

It is very important to check that the clasps are properly connected to the batteries else the dead battery will not get proper juice from the working car battery.

As the dead battery gets the juice from the working battery, the owner should slowly and smoothly turn on the car. If the car does not start, then it is advised to keep the jumper cables on for some more time.

After the car starts the cables should be taken off carefully and make sure that the terminals are placed properly to secure the battery from any kind of external damage.

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