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List of contents of this article:

• 1,OKX Wallet APK How much do you know about car batteries?
• 2, The difference between car batteries and electric vehicle batteries
• 3, How to judge whether a car battery should be replaced Replace
• 4, How to judge whether a car battery needs to be replaced

How much do you know about car batteries?

Automobile batteries are divided into wet and thick differential polarized batteries, dry concentrated differential polarized batteries, less maintenance batteries and maintenance-free batteries.

Teach you a few tips on battery maintenance. First, when buying a battery, first identify the letters on the battery. Any one with the QA letter is a dry battery. When adding electrolyte, shake the electrolyte well before adding it to the battery, and be careful not to splash the electrolyte on your hands and clothes.

Learn about the usage time of car batteries. If it has been used for more than 4 years, it is recommended to replace it.

Car battery knowledge Passenger car batteries can be roughly divided into ordinary batteries and start-stop batteries. Compared with ordinary storage batteries, start-stop storage batteries can instantly provide large current and can be charged quickly and repeatedly. Its life is much longer than that of storage batteries.

The parameters and models of automobile batteries will be composed of numbers and letters. Before analyzing the meaning of these sequences, the first thing that needs to be explained is the type of battery: all starting batteries are lead-acid batteries, whether maintenance-free or ordinary.

The difference between car batteries and electric vehicle batteries

1. Different types.The car battery is a start-up battery, while the electric vehicle battery is a power battery, also known as a traction battery. The current and voltage are different. The current of the car battery is large and the voltage is low, and the voltage of the electric vehicle battery is high and the current is low. Different uses. Car batteries are used for cars, and electric vehicle batteries are used for electric vehicles.

2. Differences between internal structure and type: car batteries are used for starting, and must provide a large current in a short period of time without supplying for a long time. Therefore, the pole plate is thin and numerous, while the electric vehicle battery needs to be deeply discharged for a long time, so the pole plate is relatively thick.

3. The battery of the battery car is characterized by a small current of instantaneous discharge, which is suitable for continuous discharge at small current, and more suitable for long-term discharge. Strictly speaking, automobile batteries and electric vehicle batteries are two completely different batteries, both in terms of internal structure and working nature (principle) are basically completely different.It's quite meaningless to put them together.

How to judge whether the car battery should be replaced

1. Judge whether the car battery is Does it need to be replaced: Battery service life: Generally speaking, the design life of a car battery is 27 months. Generally speaking, family cars are more economical.Many new car batteries are used for 3-4 years, but after being replaced once, they must be replaced in about 2 years. Taxis are more expensive. A single shuttle bus can be used for more than a year.

2. The ways to judge whether the car battery should be replaced include looking at the appearance of the battery, looking at the power observation port, measuring the battery voltage, etc. Look at the appearance of the battery and carefully observe whether there is obvious expansion, deformation or bulging on both sides of the car battery.

3. How to judge whether the car battery should be replaced? Look at the appearance of the battery. A series of chemical reactions have occurred during the use of the battery, but under normal circumstances, external changes cannot be seen.

How to judge whether the car battery needs to be replaced

1. Look at the appearance of the storage battery: carefully observe whether there is a significant expansion deformation or package on both sides of the car battery.Look at the power observation port: More than 80% of maintenance-free batteries have a power observation port to measure the battery voltage.

2. The methods to judge whether the car battery should be replaced are: look at the appearance of the battery, look at the power observation port, etc. Look at the appearance of the battery: a series of chemical reactions occur during the use of the battery, but under normal circumstances, external changes cannot be seen.

3. Under what circumstances does the car battery need to be replaced? The following methods can be used to judge whether the battery needs to be replaced: The vehicle is more difficult to start than usual, the start is not strong, and it needs to be started more than once, and the starting power is insufficient. It is recommended to check the battery and observe the color change of the battery "electric eye" to determine whether it needs to be replaced.