How often do you need to replace the car battery? The battery of a car should be replaced every 2-3 years. Currently, all types of car batteries on the market have a certain life span. Once they exceed this limit, various problems may appear.

Introduction to car batteries: Car batteries are mainly made of lead and its oxides, with electrolyte being a solution of sulfuric acid. Their working principle is to convert chemical energy into electrical energy.

Types of car batteries: There are three types of car batteries: ordinary batteries, dry charge batteries, and maintenance-free batteries.

Ordinary batteries have a negative plate made of lead and oxidized lead, and the electrolyte is a solution of sulfuric acid and water.

Dry charge batteries have the characteristics of a high storage capacity of the negative plate, which can store the amount of electricity generated for two years in a completely dry state. When used, only electrolyte needs to be added, and the battery can be used after 20-30 minutes.

The structure of the maintenance-free battery has its own advantages, so the consumption of electrolyte is very low and basically no need to add distilled water during the life of the battery.

The battery of a car is an essential component that powers the vehicle's electrical system. It is recommended to replace the battery every 2-3 years. The life span of a car battery depends on the type of battery used. There are three types of car batteries: ordinary batteries, dry charge batteries, and maintenance-free batteries. Ordinary batteries are made of lead and oxidized lead, and the electrolyte is a solution of sulfuric acid and water. The negative plate of ordinary batteries has a limited storage capacity, and once it is exhausted, the battery may not work properly. Dry charge batteries have a high storage capacity of the negative plate, which can store the amount of electricity generated for two years in a completely dry state. When used, only electrolyte needs to be added, and the battery can be used after 20-30 minutes. The third type of car battery is the maintenance-free battery, which has its own structure advantages, and the consumption of electrolyte is very low. During the life of the battery, it is not necessary to add any more water. In summary, the life span of a car battery is determined by the type of battery used. Regular maintenance and replacement of the battery can ensure that your car's electrical system is functioning properly.