1. Open Optimized Battery Charging
Your iPhone will learn your daily charging time, For example, you prefer charging iPhone after 11 pm, and charging it until the next morning. Then iPhone will learn it and remember this time period.
When you charging iPhone, it will be charged to 80% in general speed, and charging slowly in the range of 80%-100%. During this charging mode, it may take about 5-6 hours to charging iPhone to 100%.
This way keep battery at a healthier temperature to extend the whole charging time, which is a good for battery.
2. Avoid using fast charging unless it’s necessary.
Although Apple has a 18W and 20W charger for fast charging iPhone, many users take some tests, they use the 5W charger to compare with 18W or 20W. One same iPhone during same using time, they found iPhone battery health drops within 1 month if using 18W or 20W. While using fast charging, you can touch iPhone and find its temperature is relatively high. And high temperature is a very large factors for battery health. So it is recommended to use a 5W charger when it is not necessary to use fast charger. It is a good way to extend battery life.
3. Pay attention to the temperature and ambient temperature of the mobile phone
According to official suggestions, the most suitable temperature for iPhone, iPad and iWatch is between 0-35 degrees, which is a wide range. We can understand devices can maintain the best operation status, the official saying is 16-20 degrees. One more thing, do not play games or watch videos while charging, it will make iPhone in higher temperature.
4. Charging iPhone before its power almost drain out.
It is recommended to charge iPhone before its power drop to 30%. Some users only charge iPhone until it drops to 1%, at that time iPhone temperature is very high while charging.
