Take iPhone xs as an example, the maximum wireless charging power of its mobile phone can reach 20W, iPhone X battery capacity is 2716mAh, the wireless charger supporting 7.5W charging power takes about 4 hours and 48 minutes to fill, 7.5W can only maintain about 8 minutes.
The iPhone XS is a smartphone unveiled by Apple Inc. during the Fall new product launch event at the Steve Jobs Theater at the new Apple Park headquarters on September 13, 2018. The phone has a 5.8-inch OLED screen with a resolution of 2436 by 1125, 458PPi, and a capacity of up to 512GB.