The causes of faulty battery operation are:

  1. Short circuit of the cells: The short circuit of the cells is caused by the direct contact of two plates of opposite sign, may be latent or net. The short circuit is identified by measuring the voltage of the battery that results be 2 volts lower than the normal value. 
  2. Mechanical interruption of the cells: The interruption that results from an imperfect execution of the welding operation carried out at the manufacturing site (poles, plates, elements) can be identified by verifying the voltage which will be zero.
  3. Inversion of polarity:Polarity reversal occurs when pole correspondence is not respected (+) and (-)
  4. Sulphation: The sulfation comes from long inactivity of the battery. The phenomenon causes the hardening positive plates on which a sulphate insulating coating is formed which prevents ion exchange between the plates. The inconvenience can be detected by measuring the battery voltage that will have normal values, often even higher, while the density remains at very low values and at the same value for all elements. If the phenomenon has not affected very deeply the battery can be recovered by proper treatment electrical with a particular device called a pulse desulphuriser, otherwise you should intervene mechanically on the plates.
  5. Mechanical rupture: Mechanical breakage occurs accidentally by falling battery or collisions which it undergoes as a result of transport or handling.
  6. Loss of efficiency of benefits: Loss of efficiency is a defect that is generally manifested by poor efficiency vehicle battery charging system. Regulator, alternator, belt, etc...).


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