The Charger 4c is a high quality charger with 4 charging ports, capable of charging 4 devices at the same time. This charger is usually used in situations where multiple devices need to be charged at the same time, such as homes, offices, stores, etc. 4c indicates that the charger supports 4 charging ports, each of which can charge 100W.
Charger 4c refers to security verification, which is the most basic security verification