Car Battery Revival — How to do it?

Energy and Fire
3 min readMay 26, 2018

The process of car battery revival is a tedious and time-consuming one. In fact, the process is laden with risks that call for expert assistance. However, the truth is that one may face a situation where revival a car battery becomes an emergency and the concerned person has no way out but to approach it as a DIY task. The concept of this piece of writing revolves around the fact that in a precarious situation your car battery may have gone down in the course of a drive and you have to use your own expertise to bring it back to work. Such that, during the process, the safety of the person in charge of this task is not compromised at all.

A safe way for battery revival has been a matter of research for quite long. Experts have come up with different tactics, views, and opinions. Going through each of these can lead to confusion and deter the task at hand. One needs to choose an approach that best suits the individual purpose. Unless car battery has been seriously battered or shattered to pieces the odds of its revival are impressive. With the correct knowledge and right approach, one can safely revive a battery without much fuss.

With continued usage, a car battery may become weak and result in slow engine cranking. In such a situation, it may necessitate jump-starting it more so if the car has not been used for long or in a bitingly cold climate. Just by using a simple inexpensive charger, you can prolong the life of a car’s battery for weeks, months, and even years. If you see the dashboard warning light then there is a fault with the charging system. The only way out is to replace the battery as revival it will not work. Modern batteries are well sealed and come with a charge indicator window in the top. It is advisable to use the charger if the indicator is green or dark. Else, if it has gone yellowish then the battery should be replaced.

The simplest way of car battery revival is using a trickle charger. It is an inexpensive device that is ideally designed for slow rated battery revival. This device comes with an electric outlet cord and two wires having alligator clips. One of these have a red jacket and the other has a black or green jacket. Before progressing with the task, make sure to turn off the car’s ignition. Next, connect the red clip to the positive terminal marked with POS or + and the other one has to be connected with the negative terminal having the ark of Neg or

A direct contact between the metal clips or any other metal is not desirable. Negligence may result in sparks that can lead to an explosion of the hydrogen gas emitted by the battery. During the charging process, make sure to plug the charger into the electric outlet and turn it on. Leave it overnight and until the meter is giving a reading of 1 Ampere. Successively the charger should be unplugged and the battery should be disconnected.

If the battery has removable caps, it is best to check it with a hydrometer. Well, the hydrometer is an inexpensive device that comes with a float indicating the presence of electric charges in the fluid. However, if the battery is sealed the best way is to test it is by starting the engine. If things do not work out as desired then one has to try jump-starting the engine. If you succeed in jump-starting the engine and the charging system light or ammeter indicates normal operation then it means that the battery is malfunctioning and it is high time to replace it.

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