This refers to a fast charger with a charging power of 18w and 22.5w.
The main component of mobile phone fast charging is the mobile phone fast charging head, which can convert the 220v industrial voltage to the voltage suitable for the mobile phone, and then more than double the output power, which not only protects the mobile phone from damage, but also realizes the speed of charging. At present, the fast charging head has several kinds of power, such as 18w, 22.5w. The mobile phone support 18w fast charge means that the maximum power of the charger can reach 18w, for example, it takes about an hour and 40 minutes to fill with non-fast charge, and it only takes about an hour and 20 minutes with fast charge, which is about one-fifth faster than ordinary.