Friday, January 17, 2025

Ways you can try to repair a wet battery that cannot store electric current

 

Ways you can try to repair a wet battery that cannot store electric current

A wet battery or lead-acid battery is a very important component in the electrical system of a vehicle, especially a car. Its function is to store and provide the electrical energy needed to start the engine and run various electronic devices in the vehicle. However, like all electronic and mechanical devices, wet batteries can experience problems, one of which is that they cannot store electric current properly.

 

Causes of Wet Batteries Cannot Store Electric Current

Before discussing how to repair a wet battery, it is very important to understand the common causes why batteries cannot store electric current properly. Some possible causes include :

  • Inadequate Charging : The battery requires proper charging from the alternator to continue functioning properly. If the alternator is not working properly or if there is a problem with the charging system, the battery may not be getting enough charge.
  • Rust or Corrosion on Terminals: Rust or corrosion on battery terminals can hinder the flow of electricity between the battery and the vehicle's electrical system. This can cause the battery to not be able to store or supply electric current properly.
  • Sulfation on battery plates: Sulfation occurs when lead sulfate crystals form on the battery plates, due to inadequate charging or the battery not being used for too long. Sulfation reduces the electric current storage capacity of the battery.
  • Internal Damage: Internal damage to the battery, such as cracked lead plates or problems with the electrolyte, can result in the battery being unable to store electric current properly.
  • Battery Life: Wet batteries have a limited lifespan. After several years of use, the Electric Current storage capacity may decrease significantly, even if there are no other problems.

How to Repair a Wet Battery That Cannot Store Electric Current

If a wet battery cannot store electric current, here are the steps to fix it :

Check Charging System

Before repairing the battery, make sure the vehicle's charging system is functioning properly. The alternator and voltage regulator must function to ensure the battery gets sufficient charge.

  • Step 1: Start the engine and check the voltmeter on the instrument panel. Normal voltage should be between 13.7 to 14.7 volts. If the voltage is lower or higher, there is a possible problem with the charging system.
  • Step 2: Use a multimeter to check the battery voltage when the engine is off and when the engine is running. Make sure that the voltage is up when the engine is running.

If there is a problem with the charging system, repair or replace the alternator or voltage regulator.

 

Clean the Battery Terminals

Corrosion or rust that occurs on the battery terminals can certainly hinder the electric current. Cleaning the battery terminals can certainly help you in fixing this problem.

  • Step 1: Turn off the engine and disconnect the battery cables, starting with the negative cable (black) and then the positive cable (red).
  • Step 2: Use a small wire brush or special battery terminal brush to clean rust or corrosion from the terminals and cables. Make sure that all contact areas are clean and free of dirt.
  • Step 3: After cleaning, reconnect the battery cables, starting with the positive cable and then the negative cable. Make sure the cable is attached securely.

 

Check and Add Electrolytes

Wet batteries usually require the right amount of electrolyte to function properly. If the electrolyte level is low, the electric current storage capacity of the battery can be reduced.

  • Step 1: Check the electrolyte level in each battery cell. There is usually a level indicator next to the battery or you can unscrew the cells to check.
  • Step 2: If the electrolyte level is low, add distilled water (not plain water) to the battery cells until it reaches the proper level. Do not overfill, as this could cause leaks.

 

Check and Replace Battery If Necessary

If your vehicle battery has been used for several years or if there is significant internal damage, then it may be time to replace the battery with a new one.

  • Step 1: Check the age of the battery. Most batteries have a lifespan of between 3 and 5 years. If your battery is older than that, consider replacing it.
  • Step 2: If you have doubts about the condition of the battery, take the battery to a repair shop or battery service center for further inspection. A technician can perform a capacity test and advise whether the battery needs to be replaced.

 

Tips for Wet Battery Care

  • Check Electrolyte Levels Periodically : Make sure to check electrolyte levels periodically and add distilled water if necessary.
  • Keep Terminals Clean: Clean battery terminals regularly to prevent rust or corrosion buildup.
  • Check the Charging System: Make sure the vehicle's charging system is working properly to ensure the battery is getting enough charge.
  • Avoid Overcharging: Don't leave the battery connected to the charger or alternator for too long when it is full, because this can damage the battery.
  • Use a battery according to specifications: Make sure to use a battery that meets your vehicle's specifications. An unsuitable battery can cause performance problems and shortened service life.


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