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Our cars have a lot of electricity, we can see the radio, car headlights, windshield wipers, stereos, ignition and starting when the car starts, and some invisible sensors. Some cars also have power failure protection, such as forgetting to turn off the headlights, which may have some special reasons that will cause the car to fail to start.

But with this function, it will prepare the battery for the next start, and tell you to change the battery, so this is also a function of the battery self-protection, at present, the car battery can be divided into three categories, the first category is called water lead-acid battery, the battery plate is composed of lead and lead oxide, the electrolyte is sulfuric acid solution.

When the battery is charged and discharged, the high temperature will cause the electrolyte to evaporate and affect the storage capacity. Later, users need to manually add electrolyte to supplement consumption, the second type is called maintenance-free lead-acid battery, because this battery uses lead-calcium alloy skeleton, the water decomposition generated during charging is minimal, and the water evaporation is low.

In addition, the shell adopts a sealed structure, the release of acidic gas is very little, so there is no need to add any liquid, and there is no need to add electrolyte later, so the name of maintenance-free lead-acid battery, the third type is called AGM/EFB battery, EFB stands for enhanced liquid-rich battery technology.

This battery is prepared with enhanced lead paste, the fiber film of the positive plate replaces the original back paper, doubling the battery life, stronger storage capacity, faster charge and discharge, the service life of ordinary automotive lead-acid batteries is 2-5 years, of course, they have been used for 10 years, but this situation is relatively rare.

The use of ambient temperature difference, usually, the battery is installed in the engine compartment, in fact, this is not the best position, because the cold and hot temperature difference in the engine compartment is too large, the temperature difference is easy to cause plate deformation, the higher temperature will make the electrolyte evaporate, so some handlebar batteries are designed to be installed in the trunk of the main reason.

The temperature is too cold, the cold winter battery is most easy to lose power, this is because when the temperature is particularly low, the capacity will decline, the power generation is too large is the charging voltage is too high, reaching more than 14.5V, too high charging voltage will consume the electrolyte, the plate deformation, causing the active material to fall off, so that the battery early damage.

Because the car battery is a universal part, its size is related to capacity, and the current battery technology has been quite mature, replacing the same capacity (ampere-hour) of the battery is enough, and will conflict with the entire starting system, it is recommended to use a big brand, whether domestic or imported.

On the one hand, the big brand manufacturing process is complete, the quality is stable, on the other hand, the big brand has a stable market and price, but also relatively moderate, there is a perfect after-sales market, once the car battery in the use of the process of problems, can be effectively solved in the first time.

The battery is an essential part of the car, can be divided into traditional lead-acid battery and maintenance-free battery, because the battery uses lead-calcium alloy as a grid, the amount of water decomposition generated when charging is less, the amount of water evaporation is also low, in addition, the shell uses a sealed structure, the release of sulfuric acid gas is also very little, compared with the traditional battery.

It has the advantages of no need to add any liquid, butt pile head, long storage time, etc. From the characteristics and life factors of the battery itself, there is no fixed time point for battery replacement, and users with good car habits will have a corresponding extension of the battery replacement cycle, therefore, the replacement of the battery needs comprehensive assessment.

On the one hand is the type of battery and the state of the car, on the other hand is the performance of the actual use process, after the normal shutdown in winter, do not open any accessories, the second day start difficulties need to replace the battery, replacement, you must choose the corresponding battery model, as for the brand, you can choose camel, sails, Varda and other market mainstream brands.