It must be slower than fast charge. No faster charge is slower than the ordinary original charger. Three-in-one charger set Android V8 interface, Android type-c interface and Apple interface in one, you can charge 3 mobile phones at the same time, convenient is convenient, but the charging is turtle speed, because the voltage of the charger to be evenly distributed to 3 lines, invisible and reduce the power of the charger, so the charge is much slower than fast charge.
Yes, the 3-in-1 charger will charge a little slower because the data cable is drained.
Compared with a charger four, the fast charge is slower, because the fast charge is the fastest charger