In general, AC charging pile is two or three holes, the specific number of holes depends on the voltage and current of the charging pile. In general, the number of ports of charging piles varies according to different models and functions. The number of charging pile ports on the market now has single port, double port, four port and eight port. At present, the two-port charging pile is more common. Because in daily life, in most cases, people only need to use a wire when charging, and the two-port charging pile can meet the needs of two electric vehicles to charge at the same time, improving the charging efficiency.
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The charging pile male head is usually two or three holes because the charging pile needs to be connected to the power supply, and the standard power socket is usually two or three holes, so the charging pile male head is also designed accordingly to be two or three holes. It should be noted that the plug standards and the number of holes may be different in different countries and regions, so the charging pile needs to be selected and installed according to local standards to ensure safe and efficient charging.
The quick-charging pile generally uses DC charging interface, only 9 holes; The slow charging pile uses an AC charging interface with 7 holes.
Some public charging stations have slow charging outlets, but not all charging stations are fast charging stations. It is understood that 55% of public charging piles on the market are DC fast charging, 43% are AC slow charging, and the remaining 2% are AC fast charging. Generally speaking, public charging piles are basically fast charging, and the number of slow charging will be much less.
Household charging piles are generally single-hole or double-hole, of which single-hole charging piles can only charge an electric vehicle, while double-hole charging piles can charge two electric vehicles at the same time.