Age, cycles and heat. Inductive charging loops are going to generate a ton of waste heat, and worse yet a good chunk of that is going to be coming from the coil inside the phone.
Yeah, but a battery gets hot when charging fast. Keeping it connected at 100%, the phone stays cool in my experience. And charging often makes the window where it generates heat from charging smaller
The act of charging the battery does itself generate some heat, as does the charging circuitry within the phone. This will happen with either method of charging. Wireless inductive charging will also generate significantly larger amounts of waste heat.
Fundamentally, wireless charging is less efficient. Theoretically you could be putting 16w of heat into the phone but only getting 8w of charging.
