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Here first to explain, the fast charge slow charge interface corresponds to DC, AC interface, DC is fast charge, AC is slow charge. In simple terms, fast charge is to directly store direct current in the battery, while slow charge is to convert alternating current into direct current through the car charger, and then stored in the battery. In this case, the latter method is more time-consuming. So which is more important, fast charge or slow charge? In fact, both kinds of charging are equally important.
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Fast charging method is more time saving, charging at the same time can have a meal, go shopping, just one or two hours can be charged to 80% or even full of electricity, which is still very convenient for some friends in a hurry. The way of slow charging is generally used in the home parking space, and when you come back from work at night to charge at home, you do not have to worry about the problem of insufficient time. Charge it overnight and you can recharge the battery. Therefore, the choice of fast charge or slow charge, mainly depends on the needs of the user. If you are in a hurry, you can only choose slow charging. But if it is home charging, not in a hurry, it is best to choose slow charging.
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What are the pros and cons of fast charging and slow charging? First, let's talk about fast charge, it was also said in the front, fast charge is to directly store direct current into the battery, which is a relatively high requirement for the battery, because the power of direct current is relatively large. Always choose frequent fast charging, it is easy to cause damage to the battery, and the service life of the battery will be reduced. And AC because of the car charger conversion, so the impact on the battery is not big. There are no disadvantages other than the time consuming comparison. Now the family slow charging pile is basically 220V, most of the household circuit can be used, it is still relatively convenient to install, and it is also convenient to use. Charge it slowly overnight, and it's ready to go in the morning.
The difference is the battery charging time, the impact on the battery, and the battery charging mode. 1, battery charging: fast charge half an hour can be charged 80%, slow charge to 6~8 hours can be full; 2, the impact on the battery: fast charging will certainly destroy the battery slow charging will be better for the life of the battery; 3, battery charging mode: fast charging does not have to be changed according to the car charger, you can directly connect the car battery, slow charging should be changed according to the charger.
The characteristics of high battery charging working voltage and large current flow reduce the number of charge and discharge cycles of the battery, resulting in certain damage to the battery and reducing the service life of the battery. The current and output power of slow charge are relatively small, which is better for battery life, and the battery charging cost is low when the power consumption is flat. Dc charging pile built-in output power conversion control module, can convert the AC current of the power network into DC power supply, do not need to change according to the car charger, can be directly connected to the car battery. Ac charging pile does not have output power conversion control module, do not do AC and DC power conversion, derive AC current, connect to the car, according to the charger in the car to change into DC power and then import the battery.