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HOW evaporated electrolyte

Repair of car battery

There are situations when the car owner does not want or can not afford to repair or replace a car battery.

And if the electrolyte level has dropped to the level of threatening? Add electrolyte to the faulty branch in such a situation is vital.

We'll have to arm themselves with knowledge of chemistry and simple device.

You will need

  • - Acid-resistant dishes with capacity of 4-5 liters (heat-resistant glass flask, ceramics, lead or ebony)
  • - Hydrometer with suction tube, thermometer
  • - Wand of hard rubber or glass
  • - Rubber pear with a tip which is resistant to acid
  • - Capacity of 1 liter and a few with small divisions to 0.1-0.2 l
  • - Distilled water intended for accumulators
  • - Sulphuric acid battery



Pour into prepared acid resistant container with distilled water. The amount determined in advance by a table.


Add to the sulfuric acid. The amount should also be carefully calculated. Be sure to do it in a thin stream while stirring continuously with a glass rod or ebony.


Cool electrolyte to + 25 ° C and check the density of the substance. Adjust density to the required number. This is done in distilled water or sulfuric acid.

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