I'm going to guess that 15% missing on the wired is the brick itself. I'm not sure how 5% more losses can make my phone heat up quite hot and also charge very s

I'm going to guess that 15% missing on the wired is the brick itself. I'm not sure how 5% more losses can make my phone heat up quite hot and also charge very slow. Are you sure it isn't 15% lost at the brick powering the wireless charger and then another 20-25% on the charging pad itself?