Samsung's Lightning fast charge can be divided into 15W, 25W, 45W three levels.
Huawei has 18W FastCharge fast charge, and 22.5W, 40W and 55W SuperCharge fast charge.
OPPO has a total of VOOC and SuperVOOC two main fast charging technologies, VOOC fast charging has 1.0, 2.0, 3.0, 4.0 and other four versions, the highest power in order of 22.5W, 25W, 20W, 30W. SuperVOOC fast charge offers 1.0 and 2.0 schemes with maximum power of 50W and 65W respectively.
Xiaomi's Charge Turbo fast charge, can be divided into 27W, 40W two versions; There is also a Super Charge Turbo that supports up to 100W of power.