We conducted a second series of heat exams with Just about every charger at one watt below its optimum rated wattage (ex: 59 watts on a sixty-watt charger) and recorded the temperature there too. This power adaptor can fast charge the iPhone to 50% in all over half an hour. https://iphone-charger-block44319.blogocial.com/the-fact-about-laptop-charger-type-c-that-no-one-is-suggesting-62720862