Fix Car Battery Dead Cell

The batteries used in cars contain six separate cells.

Fix car battery dead cell. Once a cell goes dead the battery is bad and must be replaced. 1 1 the items below are telltale signs that one or more cells of your car s battery is dead or malfunctioning. A fully charged battery has a specific gravity of 1 265 and no cell should differ by more than 0 05. If a cell goes dead the battery may appear to fully charge but won t function properly.

The best method to test a car battery for a dead cell is to check the specific gravity of the electrolyte fluid. A typical 12 volt car battery is composed of six cells that chemically produce voltage and amperage to start your car. 2 2 procedure for reconditioning your car battery. If you own a fairly good quality lead acid battery you can use the acid and water method several times but after some time a process known as sulfation kicks in.

Sulfation and car battery redundancy. 1 the symptoms of a soon to be dead car battery. A battery is charged continually by the. Knowing how to fix a car battery effectively may increase that number.

Recharge the battery and test it again. 2 reconditioning or refurbishing a dead cell. Reconditioning a dead cell of a car battery is entirely a thrifty way to save the car battery and prolong its life for another few years. 0 1 how to fix a dead cell in a car battery.

Most of the car shops who buy supposedly dead car batteries take them at a lower price then refurbish them and sell them at a higher price. Add acid to any cell below the minimum specific gravity following the manufacturer s instructions. 2 1 you will need the following.