Is your battery draining quickly? There is a solution to “refreshing” an old battery

The battery discharges quickly. There is a solution to refresh an old battery.

Self-discharge is a painfully familiar thing to most car owners, especially in the winter. If the battery is more than 3 years old, then if you do not start the car for a couple of days in a row, then it becomes impossible to start it, the battery is discharged and there is not enough power to start the starter.
There is a very simple way to refresh your battery yourself and extend its service life. The fact is that over time, wear products from the chemical reaction settle at the bottom of the battery, and the plates crumble. This is precisely one of the reasons for rapid self-discharge.
To remove all products from the bottom, you need to wash all battery compartments.

How to “refresh” your battery


Open the compartment covers.
The battery discharges quickly. There is a solution to refresh an old battery.

The battery discharges quickly. There is a solution to refresh an old battery.

Berm an unnecessary plastic basin (a metal one will not work). We pour the electrolyte into it. Notice how the liquid drains, not from the side, but parallel to the body.
The battery discharges quickly. There is a solution to refresh an old battery.

Black traces of waste are visible in the electrolyte.
The battery discharges quickly. There is a solution to refresh an old battery.

There is no need to pour it out, it will be filtered and poured back in.
Next, you need to wash all compartments. Pour distilled water into each.
The battery discharges quickly. There is a solution to refresh an old battery.

We splash from side to side.
The battery discharges quickly. There is a solution to refresh an old battery.

Drain the contents.
The battery discharges quickly. There is a solution to refresh an old battery.

It can be seen that the water flows out blacker than black.
Repeat the washing procedure one or two more times.
Pour the previously drained electrolyte back through a funnel with a filter cloth. Of course it will be better if you filter the electrolyte in advance.
The battery discharges quickly. There is a solution to refresh an old battery.

Then add distilled water to the level.
We charge the battery.
The battery discharges quickly. There is a solution to refresh an old battery.

Close the compartment cover. Charging field, to check, I left the battery just standing for a day. Then he measured her voltage. There was practically no self-discharge.
The battery discharges quickly. There is a solution to refresh an old battery.

We install it on the car.
The battery discharges quickly. There is a solution to refresh an old battery.

We're trying to start it. Everything works great.
The battery discharges quickly. There is a solution to refresh an old battery.

I drove well on this battery for another six months before I bought a new one, although I initially intended to do just that.

Bottom line


The method works about 50/50. Of course, someone will say that there is no need to suffer, but it is better to immediately buy a new battery. And, in principle, he will be right. Of course, if you have money, then it’s better to do so.
But I still decided to experiment and, as it turned out, it was not in vain.
In principle, after such washing, the battery can be used for a year, maybe more. Therefore, it's worth a try.

Safety precautions


Before doing any work with the battery, wear safety glasses, rubber gloves and special clothing.
The acid is very caustic, so do not neglect safety rules.

Watch the video


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Comments (4)
  1. Sergey Olegovich Malyshev
    #1 Sergey Olegovich Malyshev Guests 13 December 2019 18:11
    5
    all this is a complete finish - you will never wash out “wear products” because... plates very tightly through the separator
    pressed against each other. But in this way, completely close a couple of cans - 90%.
  2. Guest Andrey
    #2 Guest Andrey Guests December 14, 2019 08:42
    2
    I have no words
  3. Guest Alexey
    #3 Guest Alexey Guests December 15, 2019 11:27 pm
    1
    I did this to a battery that had been lying around in the garage for two years. The car started!
  4. Somebody
    #4 Somebody Guests 6 May 2022 06:49
    0
    Is it possible to add something other than distilled water for rinsing?