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6 real problems capable of destroying your car battery.

6 real problems capable of destroying your car battery. on USautoportal (img 1)

Negligence of an owner

Most often, car batteries fail prematurely because of the negligence of the owner. For example, power consumer remains energized, and the owner of the car simply forget about it. Unused headlights are most often the reason for battery failure. After a few hours, the battery is completely discharged, after which internal damage is almost guaranteed - irreversible sulfation of the plates.

Electric leakage

Systematic electric leakages in the on-board network lead to the same consequences. Note that after the engine is turned off, the consumers continue to take the electricity from the battery until they completely fall over. Electricity is used, for example, for forced cooling of the power unit by the fan or for the maintenance of working capacity of security system - it does not pose danger. However, there is parasitic circuit of leakages, as the result of breakdowns of electronic components, leading to a strong discharge of the battery.

Incomplete charging

The undercharging of the battery is not less harmful than the overdischarging. It can be the result of the poor operation of the generator, the violation of electrical circuits, increased power consumption, frequent and prolonged operation of the starter. Incomplete charging is caused by both frequent short trips, and long idle times of the car. Incomplete charging is especially dangerous in winter - the battery can simply freeze during intense colds with a low density of electrolyte.

6 real problems capable of destroying your car battery. on USautoportal (img 2)


Voltage control box is a special electronic device that keeps a check on the voltage in the on-board network, as well as the process of charging the battery from a regular car generator. It quite often fails, at the same time, the driver does not notice any signs of a problem - the voltage delivered to the battery can be rather high. As a result, the electrolyte in the battery begins to boil and evaporate, and the plates become bare.


Hot temperature has a negative effect on the battery. In the hot summer months, the device should be cooled as much as possible. When the electrolyte reaches 95°F, the electrodes begin to wear out much more quickly.

Battery freezing

In winter, the level of charge and the state of the electrolyte should be treated with particular attention. With a strong discharge, the density of the electrolyte falls and it starts to freeze. As a result, the plastic case can simply break. It happens also after refilling the device with distilled water, mixed with acid. In the cold season, do not be lazy from time to time to recharge the battery.

To be sure that your car battery does not fail you at any time of the year, keep track of not only the battery itself but also other vital components - the drive belt, the generator, its diode bridge and control electronics. We recommend really responsible motorists to install a non-standard on-board computer or a voltmeter in the car. This simple device will help to prevent problems and to notice the trouble in time, and at the same time extend the life of your battery.


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