Huawei 40W wireless fast charge requires 6A data cable. According to Ohm's law I=U\/R, the household voltage is 220V, to reach 40W fast charge needs 220\/40=5.5A, that is, the need for 5A or more, that is, 6A data line can reach 40W fast charge.
Therefore, the minimum standard for Huawei to use wireless fast charge is also 6A data cable, and with Huawei Super fast charge vertical wireless charger, the charging power can reach 40W wireless fast charge.