It will disconnect automatically, but you can't view it. There is a diode at the output end of the charger, when the lithium battery is full, the negative electrode of the diode is higher than the positive voltage, resulting in the diode cut-off and non-conduction, which plays the role of automatic power failure.
【iPhone6 proper charging tips 】
1, the first charge does not need to be filled for 12 hours, only need to be filled;
2. In fact, it can be charged under any power, which has little impact on the battery;
3, it is best to have a complete discharge and charging process every week, that is, from red electricity to full power, it is best to achieve a battery quickly exhausted within a week, and then full.
4, the mobile phone has the function of over-rush protection, but it is still recommended to unplug the mobile phone after it is full, and it is not recommended to charge for a long time.
5, when charging to 100%, unplugging the charger is the best moment, charging 100% and then charging for an hour, the battery power when unplugging the charger is not just to 100% full grid, that is to say, after full charge, the iPhone6 has entered the overrush protection, has stopped charging, the next time is only the battery consumption process, So there is no need to overcharge.
6, when the phone power is too low, you should end the phone or call in time, charge as soon as possible, in order to maintain the battery life.