02/09/2025
BATTERY
Reasons for salt formation on car battery poles
Salts are formed on the poles due to the reaction between hydrogen gas emitted from the battery during repeated charging and discharging operations. Hydrogen gas reacts with the copper, aluminum or lead from which the poles are made, and salt deposits are formed.
These deposits are an indication that the car's electrical system is not in good condition. If the deposit is on the negative pole, this means that the battery is less charged than required. If it is on the positive pole, this means that the battery is more charged than required.
If it is on both poles and occurs after long periods (six months, for example), this is normal and is related to the humidity of the atmosphere. However, if it occurs repeatedly in short periods, this is evidence that the electrical connections may be weak or not well fixed.
🔧 The solution in three steps:
1. Clean the deposits:
- Using a toothbrush and soap, if available.
- Using a plastic brush and hot water.
- Using soft drinks, it is very effective in removing carbon deposits.
2. Ensure the safety of the electrical system:
- Measure the charging generator (dynamo generator) and the battery.
- It is preferable to do this in a specialized workshop.
3. Safety precautions:
- Wear gloves when handling the battery.
- Wear protective glasses.
- Avoid touching your clothes to the battery, as it will damage it.
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