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how to bring a dead sealed battery back to life

 How to revive or desulphurize a lead battery


The most common form of a lead-acid battery is used in cars and trucks. Golf carts and electric cars, and the like also use lead-acid batteries. Essentially, every lead-acid battery works in the same way. They are also prone to the same type of degradation of the inner plates of the battery called sulfation. A sulfated battery is the most common disease of a dead battery, but as long as a used lead-acid battery is mechanically healthy, can be revived to a sulfated battery. If you have" dead " lead batteries in your garage and do not want to buy new ones for your specific project, then this article could be a good discovery you have found, as the desulfation methods used here are revolutionary compared to common and effective methods. Before proceeding with the desulfation process, the wrong cells must first be identified.


Identify the wrong cells:-


Charge your batteries for at least 12 hours beforehand. Then disconnect the batteries from the chargers and let them stand for 10 minutes.

Open all battery caps. If you have sealed lead-acid batteries, search the Internet for instructions on how to open your plugs.

Fill each compartment to optimum water level. This is crucial as sparks are generated in later parts and the column of air in the chambers containing hydrogen and oxygen can explode and blow the acid onto your face. The higher the water level, the less explosive air column and the less risk of the explosion there is on your occasions. Use the torch to observe the meniscus of the water level.

Measure the final voltage of the battery (12v). The fully charged battery must be in the range from 12 V to 11.8 V to 13.0 V.if you have a little less than 11.8 v, there is a very high risk of a cellular imbalance in which one of the cells (6 cells) has a Problem.

Measure the voltage of each cell and identify cells with lower voltages. Attach the probe to one of the terminals and immerse another probe into the cell solution. Continue along the cell holes. A good cell must have at least 2v.think of the bad cells And note that due to the thick and heavy formation of non-conductive lead sulfate crystals, they would have different plaque colors than other cell plates.

Here are the methods for the desulfation process:-


Attach a battery charger or computer-controlled smart charger to your old lead-acid battery and let the battery charge continuously for about a week to 10 days. The extremely slow charging speeds dissolve the desulfation that kills the battery and enliven it to absorb a usable charge.

Wire in an electronic desulfation device that constantly desulfated the acid solution of the battery. These are available as prefabricated units, or they can be built from a kit.

Add a chemical desulphurization to the filler openings of an old lead-acid battery. The chemical dissolves sulfation and revives old and new batteries.

There are certain preventive measures that must be taken before you carry out the above steps yourself:-


Should wear glasses and gloves when working with lead-acid batteries.

The cells and electric plates of an old battery must be healthy and functional. If these vital components of a battery are damaged in any way, your old lead-acid battery will never revive.

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