First, let’s look at the original Qi, which all iPhones post iPhone 8 support. Qi is a Chinese word that means “energy flow”. Pronounced “chee”, Qi is the basic and most popular wireless ...
When using a standard Qi charger, the iPhone caps the rate at half that speed, offering 7.5W wireless charging. Qi2 is an open standard and iterates on top of the prior Qi wireless charging ...