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The working principle of automotive battery is to convert chemical energy into electrical energy, so as to achieve the purpose of storing electrical energy. Automobile battery is a very important electrical component in the automobile. The endurance mileage of electric vehicles is getting longer and longer, and the battery capacity is getting larger and larger.

However, although the range has been increased, other problems have followed. The most obvious thing is that the charging time has become longer. Let's share the charging time of electric vehicles for your reference. I hope it will be helpful to you.

How long does the electric vehicle charge normally?

There are mainly two charging methods for electric vehicles. One is called charging pile, which is commonly known as "fast charging", and the other is called portable charger. This is "slow charging", which is roughly divided into four types of 8a, 13a, 16a and 32A power chargers. 8a and 13A are too slow to charge for electric vehicles, so only 16a and 32A chargers are left.

Fast charging and slow charging are relative concepts. Generally, fast charging refers to high-power DC charging, which can fill 80% of the battery capacity in half an hour. Slow charging refers to AC charging, which takes 6-8 hours.

The charging speed of electric vehicles is closely related to the charger power, battery charging characteristics and temperature. At the current battery technology level, even fast charging takes 30 minutes to charge to 80% of the battery capacity. After that, in order to protect the battery safety, the charging current must be reduced, and the time to charge to 100% will be longer.

For General Electric Vehicle Lithium-ion battery charging, it is best to charge according to the specifications. If there is no lithium-ion battery, it depends on the capacity of the lithium-ion battery and the current of the charger. For example, for 48v/20a lithium-ion battery, the charger is 5a, which needs to be charged for more than 4 hours. For 10A charger, it takes more than 2 hours, and for 20A charger, it takes one hour.

Generally, the charger for charging the lead-acid power lithium battery of electric vehicles adopts the three-stage charging mode. When you run out of power at 100%, the charging time will generally be 8-10 hours, not more than 12 hours (which will affect the battery life). Of course, it does not advocate that you run out of power every time you use it. It is generally advocated that you should charge your car when the power consumption is about 70%, At this time, the charging time is usually 6~8 hours.

The lithium iron phosphate battery is sufficient for the electric vehicle. Do not activate it. The lithium ion battery will activate naturally during the driving of the electric vehicle. If you deliberately want to charge the new battery for 12 hours, it will be a waste of time. Of course, long-time charging is likely to cause premature loss of battery electrolyte, thus affecting the service life of the battery.

The detailed charging time of electric vehicle lithium-ion battery can refer to the following

1. When 1100% of the power is used up, the charging time is generally 8~10 hours, not more than 12 hours. It is not advocated to use up the power every time. It is generally advocated to charge at about 70% of the power consumption. At this time, the charging time is generally 6~8 hours.

1. If it is a short trip, the proposition is as follows: when the daily power consumption is 10%, it can be charged once a week. When the daily power consumption is 20%, it can be recharged every three days. When the daily power consumption is 30%, it can be recharged once every two days. When the daily power consumption is more than 40%, it can be charged once a day. The charging time under control is generally about 6 hours.

1. do not charge as you use. If it is harmful to the service life of the lithium-ion battery of electric vehicles, each charge will bring a certain loss of water to the battery, causing battery vulcanization to affect the service life.

1. charge according to the standard time and procedure, even for the first three times.

At present, most electric vehicles use lead-acid batteries. If the batteries are recharged after they are almost used up, the electric boards in the batteries will be lost to a large extent. Excessive consumption of substances in the batteries will cause it to malfunction, so the batteries are likely to be scrapped.

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