Apple 87W USB-C power adapter is designed specifically for the 15-inch Touch Bar MacBook Pro, then use this power adapter for the iPhone or iPad charging security? There is no doubt that Apple mobile devices already support fast charging if you use the right accessories. Starting from the iPhone 6, to the iPhone 7,7 Plus, iPhone can support up to 10W power supply, while the iPad, up to 12W power supply.
If you buy this year's new release of the new iPad Pro, then this device can support up to 29W power supply, of course, you need to have a 29W power adapter, and USB-C to Lightning cable.
If you use the 87W USB-C power adapter, and USB-C to Lightning cable, charge for the iPhone or iPad, what will happen, will burn the device, or will there be faster charging speed? In fact, the 87W USB-C power adapter will only charge the device with the fastest speed, without any phenomenon.
Our devices are becoming increasingly intelligent and can be safely lit from the power adapter, and we do not need to worry about overheating the device, and even the power is too high to cause an explosion. In other words, we can safely use the 87W or 61W power adapter to charge the iPhone or iPad.