The specific function of the button of the magic charger depends on the design and characteristics of the charger. Under normal circumstances, the button of the charger may have the following functions:
Switch function: The button can be used to turn on or off the power of the charger to control the working state of the charger.
Fast charging mode switch: Some chargers may have multiple charging modes, and different charging modes can be switched by pressing the button, such as normal charging mode and fast charging mode.
Charger status display: The button may be used to display the working status of the charger, such as through different lights or indicators to indicate whether the charger is working properly, whether it is being charged, etc.
Please note that this is only a general feature example and specific features may vary by brand, model and design.
The button of the magic charger is usually used to detect the working status and charging status of the charger. Specifically, it can detect whether the charger is working properly, whether there are problems such as over-voltage, over-current, over-temperature, and whether the charging state of the charger is normal, such as whether the charging speed is too fast or too slow.
In addition, the buttons of some magic chargers can also be used to reset the Settings of the charger in order to reconfigure the parameters of the charger. In short, the button of the magic charger is to facilitate the user to detect the working state and charging state of the charger, as well as the necessary operation and maintenance of the charger.
The 4 lights on the magic charger all say: Confirm, power, charge, saturation. The switch button on the body is used to switch between positive and negative battery levels.