If the car will not be used for more than 2 months, the battery should be removed and stored in a charged state. The most favorable storage temperature is from O'C to +27*C. At these temperatures, the battery is the least discharged. It is necessary to charge the battery no later than after 2 months of storage. Otherwise, the battery will become unusable.
If a battery that has been stored for a long time is charged from an accelerated charger, then it either does not accept the charging current or turns out to be allegedly charged with the so-called surface charge. Such a battery has all the signs of a faulty one.
But before such a battery is considered faulty, it must be checked.
29. Measure the density of the electrolyte. If the density of the electrolyte in all cells differs by no more than 0.04 g / ml, then the battery can be charged with a conventional battery charger.
30. Check the battery after charging under load (see relevant chapter). In the workshops, special devices are used for this. If the battery voltage is below 9.0V, then the battery is bad.
31. Check electrolyte density. If in one or two adjacent cells the density is significantly lower (for example, in 5 cells the density is 1.16 g / ml, and in one - 1.08 g / ml), then the battery has a short circuit and is considered faulty.
32. Charge a heavily discharged and sulphated battery, see the appropriate chapter.
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