How to check the car battery before the onset of cold weather?

  • Dec 14, 2020
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In winter, the battery is inevitably overloaded, and breakdowns in it can lead to the fact that the car will not start. This will require cleaning the spark plugs to start the car. In order to avoid such problems, it is necessary to check the battery operation in a timely manner.

As for the life of the battery, they depend on the specific vehicle and its operating conditions. However, the average term is around five years. If you monitor the condition of the generator and the absence of full discharges, then the battery can work for about seven years. If there are problems with the generator, and the battery itself is constantly discharging, then the battery life in this case is on average no more than two to three years.

How to check the car battery before the onset of cold weather?

To prevent this from happening, you must constantly monitor the charge level using a multimeter, which can be purchased at a special store. If you decide to charge the battery yourself, then you need to buy a special charger. You can do it yourself. It is not difficult, you just need to find a suitable scheme on the Internet.

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When checking the condition of the battery, you must carefully inspect the plastic case. It should not have any mechanical damage. If there is something wrong with the case, then it can be repaired, but most experts advise in this case to purchase a new battery. If there is any dirt on the case, it must be removed.

Measurements must be made with a multimeter and with the engine off.. The multimeter should show a voltage level of approximately 12.2 to 13 V. The figure may be slightly even slightly larger, but if the multimeter shows below 12 V and below, then this indicates that the battery is discharged.

After that, it is worth taking measurements with the engine running.

The figure should be approximately 13.7 - 13.9 V. If possible, you should ask another person to help you and turn on the gas so that the number of revolutions increases by two to three thousand. In this case, the multimeter should show from 14.4 to 14.8 V. If the voltage is higher, then the battery may need to be replaced.

At one time, drivers used aerometers to measure electrolyte density. However, now in most cases this will not work.

Any motorist should remember that it is necessary to check the operation of the battery in a timely manner, because otherwise there is a risk that the car will simply not start at some point. And this can cause many problems. If such a check is carried out in a timely manner, then the battery life can be increased by several years (from two to three to about five years).