Where to Unplug First When New Energy Electric Vehicle Charging is Complete?

[Ramona]

When charging, first connect the battery, then plug in the power plug. After charging is complete, first unplug the power plug, then disconnect the battery. Principle of Car Charging: The car charging process essentially involves the engine driving the alternator (generator) to generate electricity, which is then rectified and stabilized to provide a certain voltage to the battery. Typically, this voltage is slightly higher than the battery voltage (e.g., 14V, while normal batteries are usually 12V), enabling constant voltage charging. Reason for Charging: At idle speed, although the engine speed is low, it still drives the alternator to work, thus outputting a stable DC voltage. Since the battery power is relatively not that high, charging can still occur at idle speed, albeit at a slower rate. Modern cars use AC generation, and the battery's power is mainly used to start the car, which consumes a significant amount. However, once the car is running, the battery's power is no longer consumed.