Techniques for conducting a forming charge and diagnostics of new 12 V lead-acid batteries

Techniques for conducting a forming charge and diagnostics of new 12 V lead-acid batteries (of all known standard sizes and destination options in the range of nominal capacities from 50 to 1350 Ah).

  1. The main problems that successfully solving by using the methods of V. Dankov:

1.1 An enterprises manufacture batteries do not ensure the achievement of the maximum possible full charge of batteries supplied as part of new batteries which prevent a possible destructive overcharge.

At the same time among the batteries in the new storage battery can be a high level variations in the values ​​of their characteristics.

1.2. A forming charge process mostly doesn’t prevent highly intense heating and strong gas contamination of the batteries which lead to impossible to achieve a high level of volumetric porosity of the active mass and reach the maximum possible value of the given capacity of the molded batteries at the manufacturing plant.

Due to the reasons stated in paragraph 1.2 for new batteries (with a service life of no more than 0.25 in shares of the standardized amortization wear) often happens a highly intense self-discharge and unpredictable losses in operational reliability under normal load.

Based on the foregoing even when using the best modern automatic chargers it is impossible to ensure a high level of reliability of new storage batteries being put into operation for manufacturers of 2 V batteries in storage batteries.

2. The list of advantages achieved when carrying out a forming charge according to the method of V. Dankov in comparison with other known methods:

2.1 By optimally choosing the intensity of the increase in the charge voltage and charging current preventing the possible bursts of high-intensity heating and gas contamination of the batteries. At the same time the charging process for a long time (at least 16 hours) takes place at a charging voltage of no more than 2.03 V based on 2V cell.

Note: According to the recent researches of well-known leading scientists-researchers in the presence of the above-mentioned conditions it is unambiguously possible to completely disband the active mass. This ensures the possibility of nucleation in the composition of the active mass of a significant much larger number of grains of a tetragonal shape in contrast to grains of a rhombic shape have a much larger lateral surface.

This allows:

  • a greater number of electrolyte particles simultaneously participate in the current-forming process;
  • the value of the charging voltage decreases significantly less when the battery is running on a standard load;
  • increases the output capacity of the battery.

2.2 Generally accepted costs of electricity quantity (Qz.f) at forming a premium class battery are not less than 5 nominal capacities (hereinafter referred to as Cnom). According to V. Dankov’s method, these costs will not exceed 2.6 * Cnom.

In accordance with the generally accepted methods at the control discharge carried out after the forming charge at the factory the output capacity of storage battery is not more than 0.90 * Cnom. In case of the same actions according to V. Dankov method the given capacity of storage battery is not less than 1.2 * Cnom.

2.3 Due to the fact that the amount of excessive heat and harmful vapors emitted into the atmosphere by the products of charge is directly proportional to the square of the amount of electricity consumed the use of V. Dankov’s method achieves an ecological effect in the form of at least 3,7-fold reduction of harmful vapors and excessive heat emitted into the atmosphere.

2.4 V. Dankov developed an empirical dependence (formula) to determine the value of the output capacity of the molded storage battery.

With the use of this formula it is possible to determine with an accuracy not worse than +/- 0,02 in fractions of Cnom the level of the value of the given capacity (Ci) of the new storage battery without obligatory conducting its control discharge.

Ci=(0.85 * Qz1 + 0.66 * Qzk) / 2 +/- 0.02Cnom, Ah,


– Qz1 , Ah – the amount of electricity reported by storage battery from the moment the charge starts until the voltage of charge (Uz1) reaches the level of Uz1 = 13.8 V ;

– Qzk , Ah – the amount of electricity reported by storage battery from the beginning to the end of the forming charge .

It is quite obvious that at the same time there are additional savings of energy resources and time spent on the generally accepted cycle “control discharge – final charge”.


1. The basis of the developed by V. Dankov the method used materials patented by him in Ukraine in 1997:

– “Method of recovery maintenance of lead acid battery”;

– “Method of determining the state of the lead-acid battery in the storage battery”.

This allows V. Dankov to transfer intellectual rights on the basis of a license agreement for the use of the Methods he is developing to interested parties on contractual terms.

2. Currently, these Methods are implemented as a basis for the algorithm of operation of intelligent automatic charging and discharging devices such as “Charging and Reconditioning Modular BZVM”:

– BZVM-4/12-4-D – to work with 12V storage batteries in the range of their rated capacity from 50 to 250 Ah;

– BZVM-2112-5-D – for operation with 12V storage batteries in the range of their nominal capacities from 200 to 1350 Ah.


1.1 The final phase of storage battery manufacture at the factory in the form of molding charge and “control discharge-completion charge” cycle is estimated at the level of not less than 0.3 in the share of the cost of a single-type new storage battery.

1.2 Carrying out of storage battery forming charge according to V. Dankov method can be estimated at the level of 0,25 in fractions of the cost of a single-type new storage battery.

1.3 The shelf life of an unformatted storage battery can be up to 15 years. After so many years of storage the battery molded after a long arrival without electrolyte will have the same performance characteristics as the same type of serviceable new storage batteries.